307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50 2013 - 2014 MKZ
Diagnosis and Testing Procedure revision date: 07/23/2013

External Controls

Inspection and Verification

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart.

Visual Inspection Chart


Mechanical Electrical
Transmission selector lever cable BJB fuse 23 (15A)
Manual control lever BJB fuse 76 (20A)
  BCM fuse 12 (7.5A)
  Wiring harness
  Connectors
  Terminals
  Paddle shifter


DTC Chart - PCM

  PCM


DTC Description Action
P073D Unable to Engage Neutral The shift by wire system commanded Neutral. After a period of time the TR sensor is valid but does not indicate Neutral. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The engine will Not Crank if stuck in reverse or drive. No Forward if stuck in park or reverse or No Reverse if stuck in park or drive. The ePRNDL stays on and can drain the battery if the system is stuck in a non-park position. CHECK for TRCM system voltage low or TRCM motor Diagnostic Trouble Codes (DTCs). CHECK for shift cable bound, pinched or misrouted.
REFER to: Selector Lever Cable (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
PERFORM a network test. If CAN Diagnostic Trouble Codes (DTCs) are present, follow the diagnostic proceedure for those Diagnostic Trouble Codes (DTCs).
P073E Unable to Engage Reverse The shift by wire system commanded Reverse. After a period of time the TR sensor is valid but does not indicate Reverse. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The engine will Not Crank if stuck in drive. No reverse engagement. The ePRNDL stays on and can drain the battery if the system is stuck in a non-park position. CHECK for TRCM system voltage low or TRCM motor Diagnostic Trouble Codes (DTCs). CHECK for shift cable bound, pinched or misrouted.
REFER to: Selector Lever Cable (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
PERFORM a network test. If CAN Diagnostic Trouble Codes (DTCs) are present, follow the diagnostic proceedure for those Diagnostic Trouble Codes (DTCs).
P07E4 Unable to Engage Park The shift by wire system commanded Park. After a period of time the TR sensor is valid but does not indicate Park. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. If the transmission is stuck in Drive or Reverse the engine will Not Crank and the EPB applies when park is selected without operator requesting EPB . CHECK for TRCM system voltage low or TRCM motor Diagnostic Trouble Codes (DTCs). CHECK for selector lever cable bound, pinched or misrouted.
REFER to: Selector Lever Cable (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
PERFORM a network test. If CAN Diagnostic Trouble Codes (DTCs) are present, follow the diagnostic proceedure for those Diagnostic Trouble Codes (DTCs).
P07E5 Unable to Engage Drive The shift by wire system commanded Drive. After a period of time the TR sensor is valid but does not indicate Drive. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. Possable engine No Crank condition. No drive engagement. CHECK for TRCM system voltage low or TRCM motor Diagnostic Trouble Codes (DTCs). CHECK for shift cable bound, pinched or misrouted.
REFER to: Selector Lever Cable (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
PERFORM a network test. If CAN Diagnostic Trouble Codes (DTCs) are present, follow the diagnostic proceedure for those Diagnostic Trouble Codes (DTCs).
P0815 Upshift Switch Circuit   GO to Pinpoint Test A
P0816 Downshift Switch Circuit   GO to Pinpoint Test A
P085D Gear Shift Control Module "A" Performance If the CAN system is down, the transmission will not shift into a forward or reverse gear. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The EPB applies without the operator requesting EPB . PERFORM the Network Test. REPAIR network Diagnostic Trouble Codes (DTCs) first. If DTC P086D returns, GO to Pinpoint Test H
P0861 Gear Shift Control Module "A" Communication Circuit Low If the CAN system is down, the transmission will not shift into a forward or reverse gear. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The EPB applies without the operator requesting EPB . PERFORM the Network Test. REPAIR network Diagnostic Trouble Codes (DTCs) first. If DTC P0861 returns, GO to Pinpoint Test H
P0862 Gear Shift Control Module "A" Communication Circuit High If the CAN system is down, the transmission will not shift into a forward or reverse gear. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The EPB applies without the operator requesting EPB . PERFORM the Network Test. REPAIR network Diagnostic Trouble Codes (DTCs) first. If DTC P0862 returns, GO to Pinpoint Test H
P175B TRCM Shift Cable Disconnected / Misadjusted The shift by wire system commanded a range change and at the end of the movement the TR sensor is reading a valid state but detected an incorrect range. The wrench light will illuminate and a Shift System Fault message is displayed in the message center. No Forward or Reverse. The EPB is applied without operator request. VERIFY shift cable is securly connected. PERFORM the selector lever cable adjustment procedure,
REFER to: Selector Lever Cable Adjustment (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
U0103 Lost Communication With Gear Shift Control Module A If Diagnostic Trouble Codes (DTCs) P085D, P0860, P0861, U101E and/or U101F are present, diagnose those Diagnostic Trouble Codes (DTCs) first. PERFORM the Network Test. If DTC U0103 is the only DTC present, GO to Pinpoint Test J
U019E Lost Communication With Transmission Range Control Module If DTC P07F5, U101E and/or U101F are present, diagnose those Diagnostic Trouble Codes (DTCs) first. PERFORM the Network Test. If DTC DTC U019E is the only DTC present, GO to Pinpoint Test O
U0404 Invalid Data Received from Gear Shift Control Module "A" This DTC indicates the PCM is able to receive GSM CAN messages but the GSM is indicating a fault on one or more of the data signals the TRCM uses for function. Using the diagnostic scan tool, retrieve GSM Diagnostic Trouble Codes (DTCs). REFER to GSM chart and follow the GSM repair procedures.
U049F Invalid Data Received From Transmission Range Control Module This DTC indicates the PCM is able to receive TRCM CAN messages but the TRCM is indicating a fault on one or more of the data signals the GSM uses for function. Using the diagnostic scan tool, retrieve TRCM Diagnostic Trouble Codes (DTCs). REFER to TRCM DTC chart and follow the TRCM repair procedures.
U101E Invalid Internal Control Module Monitoring Data Received from Gear Shift Module CLEAR the DTC . PERFORM a GWM network test. If GWM Diagnostic Trouble Codes (DTCs) return,
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
If PCM Diagnostic Trouble Codes (DTCs) return, Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual. If DTC U101E returns, REPROGRAM the original GSM .
REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).
U101F Invalid Internal Control Module Monitoring Data Received from Transmission Range Control Module CLEAR the DTC . PERFORM a GWM network test. If GWM Diagnostic Trouble Codes (DTCs) return,
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
If PCM Diagnostic Trouble Codes (DTCs) return, Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual. If DTC U101F returns, REPROGRAM the original TRCM .
REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).


DTC Chart - GSM

  GSM

NOTE: If a GSM self-test is performed, the driver door must be closed and locked. A false P166B DTC will appear if the driver door is opened or unlocked during the self-test.

NOTE: If a GSM self-test is performed, do not apply the brake pedal. A false P081F DTC will appear if the brake pedal is applied during the self-test.


DTC Description Action
P0605 Internal Control Module Read Only Memory (ROM) Error CLEAR the DTC . REPROGRAM the original GSM with the latest software. PERFORM the GSM self-test. If the DTC returns, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P0607 Control Module Performance CLEAR the DTC . REPROGRAM the original GSM with the latest software. PERFORM the GSM self-test. If the DTC returns, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P06B8 Internal Control Module Non-Volatile Random Access Memory (NVRAM) Error CLEAR the DTC . REPROGRAM the original GSM with the latest software. PERFORM the GSM self-test. If the DTC returns, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P07EC Transmission Range Multi-Function Select Circuit The GSM contains 3 contacts beneath each button. If one contact is not reconized by the GSM then DTC P07EC will set. If two Brake Transmission Shift Interlock (BTSI) override switch inputs do not change state, P07EC may set. A message is displayed on the message center warning that a given range is unavailable. If Reverse or Neutral are unavailable, the vehicle will be placed in Park when the vehicle stops moving. If Park is unavailable, the vehicle will automatically shift to Park when the vehicle stops moving. If Drive or Sport is unavailable, the operator will be prompted to use the other forward gear. CLEAR the DTC . PERFORM the GSM self-test. If the DTC returns, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P07ED Transmission Range Multi-Function Select Circuit Stuck The GSM contains 3 contacts beneath each button. If two or more contacts are not reconized by the GSM then DTC P07ED will set. If two Brake Transmission Shift Interlock (BTSI) override switch inputs do not change state, P07ED may set. A message is displayed on the message center warning that a given range is unavailable. If Park is unavailable and Reverse, Drive or Sport is selected, the vehicle will automatically shift toPark when the vehicle stops moving. If Reverse is unavailable and Drive or Sport is selected, the vehicle will automatically shift toPark when the vehicle stops moving. If Neutral is unavailable and Reverse, Drive or Sport is selected, the vehicle will automatically shift to Park when the vehicle stops moving. If Drive is unavailable and Reverse is selected, the vehicle will automatically shift toPark when the vehicle stops moving. The operator is prompted to select Drive or Sport to get Drive. If Sport is unavailable and Reverse is selected, the vehicle will automatically shift toPark when the vehicle stops moving. CLEAR the DTC . PERFORM the GSM self-test. If the DTC returns, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P07F2 Transmission Range Control Module Communication Circuit   GO to Pinpoint Test C
P07F3 Transmission Range Control Module Communication Circuit Low   GO to Pinpoint Test C
P07F4 Transmission Range Control Module Communication Circuit High   GO to Pinpoint Test C
P081F Brake Transmission Shift Interlock (BTSI) Signal Correlation   GO to Pinpoint Test D
P164E Internal Control Module Transmisson Range Performance Transmission may not shift from Park with a flashing P button. The EPB is applied without operator request. CLEAR the DTC . REPROGRAM the original GSM with the latest software. PERFORM the GSM self-test. If the DTC returns, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P166B Drivers Door Status Correlation Open then close the drivers door and cycle the door locks. If the door ajar icon is illuminated on the IPC or the door lock and unlock is not working correctly,
REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
If the door ajar and locks are working correctly, GO to Pinpoint Test E
U0029 Vehicle Communication Bus "A" Performance CLEAR the DTC . PERFORM the Network Test. If the DTC returns,
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
U0073 Control Module Communication Bus "A" Off Park may be available only by door or seatbelt changing state. Stay In Neutral may be disabled. Neutral Tow may be disabled. Exit from Neutral Tow may be disabled. INSPECT the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals. CLEAR the DTC . PERFORM the Network Test. If the DTC returns,
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
U0100 Lost Communication With ECM / PCM "A"   GO to Pinpoint Test I
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module   GO to Pinpoint Test K
U0140 Lost Communication With Body Control Module   GO to Pinpoint Test L
U0151 Lost Communication With Restraints Control Module   GO to Pinpoint Test M
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module   GO to Pinpoint Test N
U019E Lost Communication With Transmission Range Control Module If DTC P07F5, U101E and/or U101F are present, diagnose those Diagnostic Trouble Codes (DTCs) first. PERFORM the Network Test. If DTC DTC U019E is the only DTC present, GO to Pinpoint Test O
U0301 Software Incompatibility with Engine/Powertrain Control Module Transmission can not exit Park. CLEAR the DTC . REPROGRAM the original PCM with the latest Lincoln PCM software. PERFORM the PCM self-test. If the DTC returns, INSTALL a new PCM ,
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
U0401 Invalid Data Received from ECM/PCM "A" This DTC indicates the PCM is sending a fault message for one or more data signals the GSM uses for function. Using the diagnostic scan tool, CLEAR all Diagnostic Trouble Codes (DTCs). PERFORM a PCM self-test. If PCM Diagnostic Trouble Codes (DTCs) are present, Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual. and follow the PCM repair procedures.
U0415 Invalid Data Received from Anti-Lock Brake System (ABS) Control Module This DTC indicates the ABS module is sending a fault state for vehicle speed. Using the diagnostic scan tool, retrieve ABS Diagnostic Trouble Codes (DTCs).
REFER to: Anti-Lock Brake System (ABS) and Stability Control - Vehicles Built Up To: 03-June-2013 (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).
or REFER to: Anti-Lock Brake System (ABS) and Stability Control - Vehicles Built From: 20-May-2013 (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).
and follow the ABS repair procedures.
U0422 Invalid Data Received from Body Control Module This DTC indicates the BCM is sending a fault state for one or more signals the GSM uses for function. Using the diagnostic scan tool, CLEAR all Diagnostic Trouble Codes (DTCs). PERFORM a BCM self-test. If BCM Diagnostic Trouble Codes (DTCs) are present,
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).
and follow the BCM repair procedures.
U0452 Invalid Data Received From Restraints Control Module This DTC indicates the RCM is sending a fault state for the drivers seat belt. Using the diagnostic scan tool, CLEAR all Diagnostic Trouble Codes (DTCs). PERFORM a RCM self-test. If RCM Diagnostic Trouble Codes (DTCs) are present,
REFER to: Airbag Supplemental Restraint System (SRS) (501-20B Supplemental Restraint System, Diagnosis and Testing).
and follow the RCM repair procedures.
U049F Invalid Data Received From Transmission Range Control Module This DTC indicates the PCM is able to receive TRCM CAN messages but the TRCM is indicating a fault on one or more of the data signals the GSM uses for function. Using the diagnostic scan tool, retrieve TRCM Diagnostic Trouble Codes (DTCs). REFER to TRCM DTC chart and follow the TRCM repair procedures.


DTC Chart - TRCM

  TRCM


DTC Description Action
P0605 Internal Control Module Read Only Memory (ROM) Error CLEAR the DTC . REPROGRAM the original TRCM with the latest software. PERFORM the TRCM self-test. If the DTC returns, INSTALL a new TRCM ,
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P0607 Control Module Performance CLEAR the DTC . REPROGRAM the original TRCM with the latest software. PERFORM the TRCM self-test. If the DTC returns, INSTALL a new TRCM ,
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P06B8 Internal Control Module Non-Volatile Random Access Memory (NVRAM) Error CLEAR the DTC . REPROGRAM the original TRCM with the latest software. PERFORM the TRCM self-test. If the DTC returns, INSTALL a new TRCM ,
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P07F5 Transmission Range Control Module System Voltage Low If DTC P07F5 is set along with DTC P0562 and/or P1397,
REFER to: Charging System (414-00 Charging System - General Information, Diagnosis and Testing).
CLEAR the DTC . PERFORM the TRCM self-test. If DTC P07F5 is the only DTC present, GO to Pinpoint Test F
P0860 Gear Shift Control Module "A" Communication Circuit The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The EPB applies without the operator requesting EPB . CLEAR the DTC . PERFORM the TRCM self-test. If DTC P0860 returns, GO to Pinpoint Test H
P0861 Gear Shift Control Module "A" Communication Circuit Low The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The EPB applies without the operator requesting EPB . CLEAR the DTC . PERFORM the TRCM self-test. If DTC P0861 returns, GO to Pinpoint Test H
P0862 Gear Shift Control Module "A" Communication Circuit High The wrench light will illuminate and a Shift System Fault message is displayed in the message center. The EPB applies without the operator requesting EPB . CLEAR the DTC . PERFORM the TRCM self-test. If DTC P0862 returns, GO to Pinpoint Test H
P0A3F Drive Motor "A" Position Sensor Circuit This DTC indicates that one or both of the rotary position sensors have failed. The transmission may be stuck in Park if both sensors fail. CLEAR the DTC . PERFORM the TRCM self-test. If the DTC returns, INSTALL a new TRCM ,
REFER to: Transmission Range (TR) Sensor (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P177A Transmission Range Select Motor If DTC P177B is present, diagnosis this DTC first. This DTC indicates the TRCM did not achieve or hold the position commanded by the PCM . INSPECT the selector lever cable routing and adjustment.
REFER to: Selector Lever Cable Adjustment (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
If the cable is adjusted correctly, apply the park brake and disconnect selector lever cable from the manual control lever. Manually move the manual control lever from Park to Drive and back to Park. If there is little or no resistance, INSPECT the manual valve detent spring. If the manual lever has excessive resistance or sticks then further investigation is required. The park system, manual valve and/or TR sensor assembly may have an issue.
REFER to: Transmission Range (TR) Sensor (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P177B Transmission Range Select Motor Current Too High This DTC indicates the TRCM did not achieve or hold the position commanded by the PCM . GO to Pinpoint Test G
P177C Default Position Motor This DTC may set from a low battery condition. PERFORM the TRCM self-test. If TRCM DTC P07F5 is present, GO to Pinpoint Test F This DTC , P177C indicates the default to park mechanasim has failed. Default to Park disabled or transmission is stuck in Park. May set DTC P177D, P177E and/or P0A3F. RERUN the TRCM self-test. If DTC P177C returns, INSTALL a new TRCM ,
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P177D Default Position Motor Current Too High This DTC indicates the default to park motor current was too high. Default to Park disabled or transmission is stuck in Park. Allow the system to cool. CLEAR the DTC . PERFORM the TRCM self-test. If the DTC returns, GO to Pinpoint Test G
P177E Default Position Sensor Range/Performance This DTC indicates that one or both of the sensors on the default mechanism have failed. Transmission stuck in Park. CLEAR the DTC . PERFORM the TRCM self-test. If the DTC returns, INSTALL a new TRCM ,
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
P2533 Ignition Switch Run/Start Position Circuit This DTC indicates the redundant run/start ignition circuit is intermittent. INSPECT the GSM and BCM connectors for damaged or pushed-out terminals. If Diagnostic Trouble Codes (DTCs) B108A:01 and/or B1142:29 are present,
REFER to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).
P2534 Ignition Switch Run/Start Position Circuit Low This DTC indicates the redundant run/start ignition circuit is shorted to ground. INSPECT the GSM and BCM connectors for damaged or pushed-out terminals. If Diagnostic Trouble Codes (DTCs) B108A:01 and/or B1142:29 are present,
REFER to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).
P2535 Ignition Switch Run/Start Position Circuit High This DTC indicates the redundant run/start ignition circuit is shorted to power. INSPECT the GSM and BCM connectors for damaged or pushed-out terminals. If Diagnostic Trouble Codes (DTCs) B108A:01 and/or B1142:29 are present,
REFER to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).
U0029 Vehicle Communication Bus "A" Performance If DTC P0607 is present along with U0029, service DTC P0607 first. If only DTC U0029 is present, CLEAR the DTC . PERFORM the Network Test. If the DTC returns,
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
U0073 Control Module Communication Bus "A" Off Park may be available only by door or seatbelt changing state. Stay In Neutral may be disabled. Neutral Tow may be disabled. Exit from Neutral Tow may be disabled. INSPECT the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals. CLEAR the DTC . PERFORM the Network Test. If the DTC returns,
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
U0100 Lost Communication With ECM / PCM "A"   GO to Pinpoint Test I
U0103 Lost Communication With Gear Shift Control Module "A" If Diagnostic Trouble Codes (DTCs) P085D, P0860 and/or P0861 are present, diagnose those Diagnostic Trouble Codes (DTCs) first. PERFORM the Network Test. If DTC U0103 is the only DTC present, GO to Pinpoint Test J
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module   GO to Pinpoint Test K
U0140 Lost Communication With Body Control Module   GO to Pinpoint Test L
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module   GO to Pinpoint Test N
U0301 Software Incompatibility with Engine/Powertrain Control Module CLEAR the DTC . REPROGRAM the original PCM with the latest Lincoln PCM software. PERFORM the PCM self-test. If the DTC returns, INSTALL a new PCM ,
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
U0401 Invalid Data Received from ECM/PCM "A" This DTC indicates the PCM is sending a fault message for one or more data signals the TRCM uses for function. Using the diagnostic scan tool, CLEAR all Diagnostic Trouble Codes (DTCs). PERFORM a PCM self-test. If PCM Diagnostic Trouble Codes (DTCs) are present, Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual. and follow the PCM repair procedures.
U0404 Invalid Data Received from Gear Shift Control Module "A" This DTC indicates the PCM is able to receive GSM CAN messages but the GSM is indicating a fault on one or more of the data signals the TRCM uses for function. Using the diagnostic scan tool, retrieve GSM Diagnostic Trouble Codes (DTCs). REFER to GSM chart and follow the GSM repair procedures.
U0415 Invalid Data Received from Anti-Lock Brake System (ABS) Control Module This DTC indicates the ABS module is sending a fault state for vehicle speed. Using the diagnostic scan tool, retrieve ABS Diagnostic Trouble Codes (DTCs).
REFER to: Anti-Lock Brake System (ABS) and Stability Control - Vehicles Built Up To: 03-June-2013 (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).
or REFER to: Anti-Lock Brake System (ABS) and Stability Control - Vehicles Built From: 20-May-2013 (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).
and follow the ABS repair procedures.
U0422 Invalid Data Received from Body Control Module This DTC indicates the BCM is sending a fault state for one or more signals the TRCM uses for function. Using the diagnostic scan tool, CLEAR all Diagnostic Trouble Codes (DTCs). PERFORM a BCM self-test. If BCM Diagnostic Trouble Codes (DTCs) are present,
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).
and follow the BCM repair procedures.


Symptom Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

In most circumstances, the PCM sets a DTC to help guide with diagnostics. Refer to the DTC Chart before using the Symptom Chart. The Symptom column lists the vehicle condition. The Possible Sources column lists a detailed vehicle condition. The Action column lists the action to be performed to determine the cause of the condition. Each action lists the components that can cause the symptom and the individual components in that system.

Symptom Possible Sources Action
  • Brake transmission shift interlock system does not release correctly
  • Circuitry open/shorted
  • Brake shift interlock actuator switch
  • GSM
  • Transmission stuck in park position
  • TRCM
  • Mechanical obstruction in the path of the TRCM output arm. INSPECT for debries.
  • Shift cable alignment or adjustment.
    REFER to: Selector Lever Cable Adjustment (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
  • Transmission returns to park automatically
  • The criteria for the return to park feature was met
  • Driver door ajar switch, circuits, BCM or GSM
  • Open then close the drivers door and cycle the door locks. If the door ajar icon is illuminated on the IPC and the door lock and unlock is not working correctly,
    REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
    If the door ajar and locks are working correctly, GO to Pinpoint Test E
  • Transmission does not return to park when the door is opened
  • Driver door ajar switch, circuits, BCM or GSM
  • No park range
  • Selector lever cable out of adjustment
  • INSPECT the selector lever cable for correct alignment/adjustment.
    REFER to: Selector Lever Cable Adjustment (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
  • Mechanical obstruction in path of TRCM output arm
  • INSPECT the selector lever cable for correct rouiting.
    REFER to: Selector Lever Cable (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
  • INSPECT for mud or ice obstructing the TRCM output arm.
  • Transmission stuck in drive
  • GSM or TRCM
  • CHECK for Diagnostic Trouble Codes (DTCs) related to the GSM and TRCM .
  • Selector lever is out of correct gear relationship
  • Selector lever cable out of adjustment

  • REFER to: Selector Lever Cable Adjustment (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
  • Mechanical obstruction in path of TRCM output arm
  • INSPECT the selector lever cable for correct rouiting.
    REFER to: Selector Lever Cable (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
  • INSPECT for mud or ice obstructing the TRCM output arm.
  • Loose selector lever cable bracket
  • CHECK the selector lever cable bracket. TIGHTEN as necessary.
  • Selector lever cable binding
  • Selector lever cable out of adjustment

  • REFER to: Selector Lever Cable Adjustment (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
  • Internal transmission components damaged
  • CHECK the manual control lever and internal transmission components for damage.
    REFER to: Transmission (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, Overhaul).
  • Paddle shift system inoperable
  • TR sensor alignment
  • Unable to select S position
  • SELECT P, R, N and D on the GSM . CHECK for TR sensor Diagnostic Trouble Codes (DTCs). If TR sensor Diagnostic Trouble Codes (DTCs) are present,
    REFER to: Automatic Transmission (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, Diagnosis and Testing).
  • INSTALL a new gearshift module.
    REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).

Pinpoint Tests

Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.

Paddle Shift

Normal Operation and Fault Conditions

The paddle shift switch is a toggle switch integral to the steering column. When the sport shift (S) position is selected, the upshift/downshift feature becomes activated and allows the operator to upshift or downshift without removing there hands from the steering wheel. If a new switch is required install a new paddle shift assembly.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
P0815 Upshift Switch Circuit The PCM detects a voltage high signal when an upshift is requested
P0816 Downshift Switch Circuit The PCM detects a voltage high signal when a downshift is requested


Possible Sources

NOTE: If TR sensor Diagnostic Trouble Codes (DTCs) are present, the Paddle Shift feature may not be operational.


PINPOINT TEST A : PADDLE SHIFT
A1   RETRIEVE AND RECORD ALL DTCS
  • Using the diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs).

Are Diagnostic Trouble Codes (DTCs) P0815 and/or P0816 present?

Yes CLEAR the DTC . Using the diagnostic scan tool, perform the KOER self-test. If DTC P0815 returns, GO to A2
If DTC P0816 returns, GO to A7
No The system is operating correctly at this time. The concern may have been caused by a loose connector.


A2   CHECK THE UPSHIFT SIGNAL CIRCUIT FOR VOLTAGE
  • Ignition OFF.
  • Disconnect SCCM C2414A .
  • Inspect the connector for damaged or pushed-out terminals.
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-10   Ground



Is the voltage greater than 11 volts?

Yes GO to A5
No GO to A3


A3   CHECK THE UPSHIFT SIGNAL CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect PCM C175B .
  • Inspect the connector for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-10   C175B-23



Is the resistance less than 3 ohms?

Yes GO to A4
No REPAIR the circuit.


A4   CHECK THE UPSHIFT SIGNAL CIRCUIT FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-10   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to A5
No REPAIR the circuit.


A5   CHECK THE SIGNAL RETURN CIRCUIT FOR AN OPEN
  • Connect PCM C175B .
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-10   C2414A-11



Is the voltage greater than 11 volts?

Yes GO to A6
No REPAIR the circuit. If an open circuit is not found, INSTALL a new PCM .
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
PERFORM the Transmission Strategy Download procedure. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).


A6   CHECK THE PADDLE SHIFT SWITCH
  • Measure.


    Positive Lead Measurement / Action Negative Lead

    Component side resistance pin 10.

    Component side resistance pin 11.



Is the resistance less than 1.5 ohms with upshift selected and greater than 10,000 ohms when released?

Yes CHECK OASIS for any applicable TSB . If a TSB exists for this concern, discontinue this test and follow the TSB instructions. If no TSB address this concern, INSTALL a new PCM .
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
PERFORM the Transmission Strategy Download procedure. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
No INSTALL a new upshift paddle switch.
REFER to: Upshift Paddle Switch (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).


A7   CHECK THE DOWNSHIFT SIGNAL CIRCUIT FOR VOLTAGE
  • Ignition OFF.
  • Disconnect SCCM C2414A .
  • Inspect the connector for damaged or pushed-out terminals.
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-9   Ground



Is the voltage greater than 11 volts?

Yes GO to A10
No GO to A8


A8   CHECK THE DOWNSHIFT SIGNAL CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect PCM C175B .
  • Inspect the connector for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-9   C175B-24



Is the resistance less than 3 ohms?

Yes GO to A9
No REPAIR the circuit.


A9   CHECK THE DOWNSHIFT SIGNAL CIRCUIT FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-9   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to A10
No REPAIR the circuit. If an open circuit is not found, INSTALL a new PCM .
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
PERFORM the Transmission Strategy Download procedure. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).


A10   CHECK THE SIGNAL RETURN CIRCUIT FOR AN OPEN
  • Connect PCM C175B .
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C2414A-9   C2414A-11



Is the voltage greater than 11 volts?

Yes GO to A11
No REPAIR the circuit. If an open circuit is not found, INSTALL a new PCM .
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
PERFORM the Transmission Strategy Download procedure. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).


A11   CHECK THE PADDLE SHIFT SWITCH
  • Measure.


    Positive Lead Measurement / Action Negative Lead

    Component side resistance pin 9.

    Component side resistance pin 11.



Is the resistance less than 1.5 ohms with upshift selected and greater than 10,000 ohms when released?

Yes CHECK OASIS for any applicable TSB . If a TSB exists for this concern, discontinue this test and follow the TSB instructions. If no TSB address this concern, INSTALL a new PCM .
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
PERFORM the Transmission Strategy Download procedure. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
No INSTALL a new paddle shift switch.
REFER to: Downshift Paddle Switch (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.

Brake Transmission Shift Interlock Override Switch

Normal Operation and Fault Conditions

The BCM provides battery power to the GSM . The brake transmission shift interlock override switch receives power from the GSM . When the brake transmission shift interlock override switch is held the GSM will flash indicating the vehicle is in Neutral Hold for towing purpose.

Possible Sources


PINPOINT TEST B : BRAKE TRANSMISSION SHIFT INTERLOCK OVERRIDE SWITCH
B1   RETRIEVE AND RECORD ALL DTCS
  • Using the diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs).

Are Diagnostic Trouble Codes (DTCs) P07EC and/or P07ED present?

Yes INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No GO to B2


B2   CHECK THE BRAKE TRANSMISSION SHIFT INTERLOCK OVERRIDE SWITCH
  • Using the diagnostic scan tool, observe the SBW_OVR_SW_1 and the SBW_OVR_SW_2 Parameter Identifications (PIDs).
  • Press and release the brake transmission shift interlock override switch.

Does the SBW_OVR_SW_1 and the SBW_OVR_SW_2 status change from Pressed to Released?

Yes The system is operating correctly at this time. INSPECT for mechanical obstruction in the path of the TRCM output arm.
No GO to B3


B3   CHECK THE BRAKE TRANSMISSION SHIFT INTERLOCK ACTUATOR INPUT CIRCUITS
  • Ignition OFF.
  • Disconnect Brake Transmission Shift Interlock C3430 .
  • Inspect the connector for damaged or pushed-out terminals.
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3430-4   Ground
      C3430-6   Ground



Is voltage greater than 5 volts?

Yes GO to B4
No REPAIR the circuit.


B4   CHECK THE BRAKE TRANSMISSION SHIFT INTERLOCK ACTUATOR GROUND CIRCUIT FOR AN OPEN
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3430-4   C3430-2



Is voltage greater than 5 volts?

Yes INSTALL a new brake transmission shift interlock override switch.
REFER to: Brake Shift Interlock Override Switch (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No REPAIR the circuit. If an open circuit is not found, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.

GSM

Normal Operation and Fault Conditions

The GSM and the TRCM communicate on the HS-CAN but use a redundant PWM hard wired system as a backup. If the HS-CAN system fails the GSM and TRCM communicate via this hard wired system.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
P07F2 Transmission Range Control Module Communication Circuit The GSM detects a voltage signal out of calibrated range.
P07F3 Transmission Range Control Module Communication Circuit Low The GSM detects a voltage low signal. Circuit shorted to ground.
P07F4 Transmission Range Control Module Communication Circuit High The GSM detects a voltage high signal. Circuit open or shorted to power.


Possible Sources


PINPOINT TEST C : GSM (GEARSHIFT MODULE)
C1   RETRIEVE AND RECORD ALL DTCS
  • Using the diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs).

Are Diagnostic Trouble Codes (DTCs) P07F2, P07F3 and/or P07F4 present?

Yes For DTC P07F2 and/or P07F3, GO to C2
For DTC P07F2 and/or P07F4, GO to C3
No The system is operating correctly at this time.


C2   CHECK THE PWM (PULSE WIDTH MODULATION) 3 CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect GSM C3532 .
  • Disconnect TRCM C1693 .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-17   Ground



Is the resistance greater than 10,000 ohms?

Yes INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No REPAIR the circuit.


C3   CHECK THE PWM (PULSE WIDTH MODULATION) 3 CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect GSM C3532 .
  • Disconnect TRCM C1693 .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-17   C1693-17



Is the resistance less than 3 ohms?

Yes GO to C4
No REPAIR the circuit.


C4   CHECK THE PWM (PULSE WIDTH MODULATION) 3 CIRCUIT FOR A SHORT TO POWER
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-17   Ground



Is any voltage present?

Yes REPAIR the circuit.
No INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.

Brake Transmission Shift Interlock Signal Correlation

Normal Operation and Fault Conditions

The GSM and the BCM communicate on the HS-CAN but use a redundant hard wired system as a backup. If the HS-CAN system fails then the GSM and BCM communicate via this hard wired system.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
P081F Brake Transmission Shift Interlock (BTSI) Signal Correlation The GSM detects a voltage signal out of range during the HS-CAN operating modes.


Possible Sources


PINPOINT TEST D : BRAKE TRANSMISSION SHIFT INTERLOCK SIGNAL CORRELATION
D1   RETRIEVE AND RECORD ALL DTCS
  • NOTE: If a GSM self-test is performed, the driver door must be closed and locked and the brake pedal should not be applied. A false P081F DTC will appear if the brake pedal is applied during the self-test.

    Using the diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs).

Is DTC P081F present?

Yes GO to D2
No The system is operating correctly at this time.


D2   CHECK THE BRAKE TRANSMISSION SHIFT INTERLOCK CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect GSM C3532 .
  • Disconnect BCM C2280G .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-12   C2280G-46



Is the resistance less than 3 ohms?

Yes GO to D3
No REPAIR the circuit.


D3   CHECK THE BRAKE TRANSMISSION SHIFT INTERLOCK CIRCUIT FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-12   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to D4
No REPAIR the circuit.


D4   CHECK THE BRAKE TRANSMISSION SHIFT INTERLOCK CIRCUIT FOR A SHORT TO POWER
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-12   Ground



Is any voltage present?

Yes REPAIR the circuit.
No INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.


Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Drivers Door Status Correlation

Normal Operation and Fault Conditions

The GSM uses the drivers door unlock switch input and drivers door status input to shift the transmission into the park position when the operator is preparing to exit the vehicle.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
P166B Drivers Door Status Correlation The GSM monitors the voltage signals on the door status and door unlock switch inputs. If these inputs fail a rational test between them, the DTC sets.


Possible Sources


PINPOINT TEST E : DRIVERS DOOR STATUS CORRELATION
E1   RUN GSM SELF-TEST AND RETRIEVE AND RECORD ALL DTCS
  • NOTE: If a GSM self-test is performed, the driver door must be closed and locked. A false P166B DTC will appear if the driver door is opened or unlocked during the self-test. Do not apply the brake pedal during the self-test.

    Using the diagnostic scan tool, run the GSM self-test and retrieve all Diagnostic Trouble Codes (DTCs).

Is DTC P166B present?

Yes GO to E2
No The system is operating correctly at this time.


E2   MONITOR THE DOOR AJAR PID
  • Using the diagnostic scan tool, monitor the GSM DR_UNLCK_HWI PID while opening and closing the driver door.

Does the PID toggle while opening and closing the driver door?

Yes GO to E3
No The system is operating correctly at this time.


E3   CHECK THE DOOR UNLOCK CIRCUIT FOR AN OPEN
  • Disconnect GSM C3532 .
  • Disconnect Front Door Latch Release Motor C525 .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-4   C525-4



Is the resistance less than 3 ohms?

Yes GO to E4
No REPAIR the circuit.


E4   CHECK THE DOOR UNLOCK CIRCUIT FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-4   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to E5
No REPAIR the circuit.


E5   CHECK THE DOOR STATUS CIRCUIT FOR AN OPEN
  • Disconnect BCM C2280D .
  • Inspect the connector for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-15   C525-3



Is the resistance less than 3 ohms?

Yes GO to E6
No REPAIR the circuit.


E6   CHECK THE DOOR STATUS CIRCUIT FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-15   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to E7
No REPAIR the circuit.


E7   CHECK THE DOOR UNLOCK CIRCUIT AND DOOR STATUS CIRCUITS FOR A SHORT TO POWER
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-4   Ground
      C3532-15   Ground



Is any voltage present?

Yes REPAIR the circuit.
No GO to E8


E8   VERIFY THE GSM FAULT
  • Connect BCM C2280D .
  • Connect Front Door Latch Release Motor C525 .
  • Connect GSM C3532 .
  • NOTE: If a GSM self-test is performed, the driver door must be closed and locked. A false P166B DTC will appear if the driver door is opened or unlocked during the self-test.

    NOTE: If a GSM self-test is performed, do not apply the brake pedal. A false P081F DTC will appear if the brake pedal is applied during the self-test.

    Using the diagnostic scan tool, run the GSM self-test and retrieve all Diagnostic Trouble Codes (DTCs).

Is the condition still present?

Yes INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No The system is operating correctly at this time.



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.

TRCM System Voltage Low

Normal Operation and Fault Conditions

The TRCM receives two voltage inputs from the BJB . The hot in start and run fuse 23 (15A) circuit powers the TRCM micro processor. The hot at all times fuse 76 (20A) circuit powers the motors in the TRCM that are used to move the selector lever cable and the transmission manual valve inside the main control valve body.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
P07F5 Transmission Range Control Module System Voltage Low The TRCM monitors the two voltage inputs for low or no power. When the voltage drops below a calibrated threshold, the TRCM sets the DTC .


Possible Sources


PINPOINT TEST F : TRCM (TRANSMISSION RANGE CONTROL MODULE) SYSTEM VOLTAGE LOW
F1   RETRIEVE AND RECORD ALL DTCS
  • Using the diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs).

Is DTC P07F5 present?

Yes GO to F2
No The system is operating correctly at this time.


F2   CHECK THE TRCM (TRANSMISSION RANGE CONTROL MODULE) POWER CIRCUITS FOR VOLTAGE
  • Ignition OFF.
  • Disconnect TRCM C1693 .
  • Inspect the connector for damaged or pushed-out terminals.
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C1693-12   C1693-1
      C1693-6   C1693-2



Is voltage greater than 10 volts?

Yes INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No GO to F3


F3   CHECK THE BJB (BATTERY JUNCTION BOX) FUSE 76 (20A)
  • Ignition OFF.
  • Disconnect BJB C1035B .
  • Inspect the connector for damaged or pushed-out terminals.
  • Remove the BJB fuse 76 (20A)
  • CHECK fuse 76 (20A).

Is the resistance less than 3 ohms?

Yes GO to F4
No GO to F5


F4   CHECK THE BJB (BATTERY JUNCTION BOX) FUSE 23 (15A)
  • Remove the BJB fuse 23 (15A)
  • CHECK fuse 23 (15A).

Is the resistance less than 3 ohms?

Yes GO to F6
No GO to F5


F5   CHECK THE TRCM (TRANSMISSION RANGE CONTROL MODULE) POWER CIRCUITS FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C1693-6   Ground
      C1693-12   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to F6
No REPAIR the circuit.


F6   CHECK THE TRCM (TRANSMISSION RANGE CONTROL MODULE) POWER CIRCUITS FOR AN OPEN
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C1693-6   C1035B-40
      C1693-12   C1035B-54



Is the resistance less than 3 ohms?

Yes INSTALL a new BJB .
No REPAIR the circuit.



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.

Transmission Range Selector Motor Current Too High

Normal Operation and Fault Conditions

The TRCM receives two voltage inputs from the BJB . The hot in start and run fuse 23 (15A) circuit powers the TRCM micro processor. The hot at all times fuse 76 (20A) circuit powers the motors in the TRCM that are used to move the selector lever cable and the transmission manual valve inside the main control valve body.

NOTE: These Diagnostic Trouble Codes (DTCs) may be caused by mechanical issues.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
P177B Transmission Range Select Motor Current Too High This DTC indicates the TRCM is experiencing excessive current draw when shifting between positions.
P177D Default Position Motor Current Too High This DTC indicates the default to park motor overheated during a default to park event.


Possible Sources


PINPOINT TEST G : TRANSMISSION RANGE SELECTOR MOTOR CURRENT TOO HIGH
G1   RETRIEVE AND RECORD MODULE DTCS
  • Using the diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs).

Are Diagnostic Trouble Codes (DTCs) P177B and/or P117D present?

Yes GO to G2
No The system is operating correctly at this time.


G2   CHECK THE TRANSMISSION MANUAL CONTROL LEVER
  • Make sure the transmission manual control lever is in the park position.
  • Apply the park brake.
  • Disconnect the selector lever cable from the transmission manual control lever.
  • Manually move the manual control lever from the park position to the low position.

Does the transmission manual valve move through each range without restriction?

Yes GO to G3
No INSPECT the transmission manual valve and the transmission rooster comb spring,
REFER to: Main Control Valve Body (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).


G3   CHECK THE SELECTOR LEVER CABLE
  • Disconnect the selector lever cable from the TRCM output arm.
  • Manually move the selector lever cable.

Does the selector lever cable slide without restriction?

Yes GO to G4
No INSTALL a new selector lever cable.
REFER to: Selector Lever Cable (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).


G4   PERFORM THE TRCM (TRANSMISSION RANGE CONTROL MODULE) SELF-TEST
  • Connect the selector lever cable to the TRCM output arm and the transmission manual control lever.
  • Perform the TRCM self-test.

Are Diagnostic Trouble Codes (DTCs) P177B and/or P117D present?

Yes INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No The system is operating correctly at this time.



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 29 for schematic and connector information.

GSM Communication

Normal Operation and Fault Conditions

The TRCM , GSM and the PCM communicate on the HS-CAN but use a redundant PWM hard wired system as a backup. If the HS-CAN system fails the TRCM , GSM and PCM communicate via this hard wired system. The GSM sends a PWM signal to the PCM when the CAN system is down so the PCM knows what range the operator has selected. The PWM operates at 2 frequencies, 190 Hz and 230 Hz and outputs 8 duty cycles.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
P085D Gear Shift Control Module "A" Performance The PCM detects a frequency signal less than 170 Hz or greater than 250 Hz.
P0860 Gear Shift Control Module "A" Communication Circuit The TRCM or the PCM detects a PWM signal out of range.
P0861 Gear Shift Control Module "A" Communication Circuit Low The TRCM or the PCM detects a duty cycle less than 10%.
P0862 Gear Shift Control Module "A" Communication Circuit High The TRCM or the PCM detects a duty cycle greater than 90%.


Possible Sources


PINPOINT TEST H : GSM (GEARSHIFT MODULE) COMMUNICATION
H1   RETRIEVE AND RECORD MODULE DTCS
  • Using the diagnostic scan tool, retrieve Diagnostic Trouble Codes (DTCs) from the GSM and TRCM .

Are Diagnostic Trouble Codes (DTCs) P085D, P0860, P0861 and/or P0862 present?

Yes If the TRCM is the reporting module, GO to H2
If the PCM is the reporting module, GO to H6
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition on the HS-CAN .


H2   RETRIEVE AND RECORD TRCM (TRANSMISSION RANGE CONTROL MODULE) DTCS
  • Using the diagnostic scan tool, determine which DTC is present.

Are Diagnostic Trouble Codes (DTCs) P085D, P0860, P0861 and/or P0862 present?

Yes For DTC P085D, P0860 and/or P0861, GO to H3
For DTC P085D, P0860 and/or P0862, GO to H4
No The system is operating correctly at this time.


H3   CHECK THE PWM (PULSE WIDTH MODULATION) 1 CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect GSM C3532 .
  • Disconnect TRCM C1693 .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-11   Ground



Is the resistance greater than 10,000 ohms?

Yes INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No REPAIR the circuit.


H4   CHECK THE PWM (PULSE WIDTH MODULATION) 1 CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect GSM C3532 .
  • Disconnect TRCM C1693 .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-11   C1693-11



Is the resistance less than 3 ohms?

Yes GO to H5
No REPAIR the circuit.


H5   CHECK THE PWM (PULSE WIDTH MODULATION) 1 CIRCUIT FOR A SHORT TO POWER
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-11   Ground



Is any voltage present?

Yes REPAIR the circuit.
No INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).


H6   RETRIEVE AND RECORD PCM (POWERTRAIN CONTROL MODULE) DTCS
  • Using the diagnostic scan tool, determine which DTC is present.

Are Diagnostic Trouble Codes (DTCs) P085D, P0860, P0861 and/or P0862 present?

Yes For DTC P085D, P0860 and/or P0861, GO to H7
For DTC P085D, P0860 and/or P0862, GO to H8
No The system is operating correctly at this time.


H7   CHECK THE PWM (PULSE WIDTH MODULATION) 2 CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect GSM C3532 .
  • Disconnect PCM C175E .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-10   Ground



Is the resistance greater than 10,000 ohms?

Yes INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No REPAIR the circuit.


H8   CHECK THE PWM (PULSE WIDTH MODULATION) 2 CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect GSM C3532 .
  • Disconnect PCM C175E .
  • Inspect the connectors for damaged or pushed-out terminals.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-10   C175E-22



Is the resistance less than 3 ohms?

Yes GO to H9
No REPAIR the circuit.


H9   CHECK THE PWM (PULSE WIDTH MODULATION) 2 CIRCUIT FOR A SHORT TO POWER
  • Ignition ON.
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-10   Ground



Is any voltage present?

Yes REPAIR the circuit.
No INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Lost Communication with ECM/PCM

Normal Operation and Fault Conditions

The GSM and TRCM use information contained in messages from the PCM sent on the HS-CAN .

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
U0100 Lost Communication With ECM/PCM "A" This DTC sets if the GSM and/or TRCM does not receive some or all of an expected message from the PCM .


Possible Sources


PINPOINT TEST I : LOST COMMUNICATION WITH ECM/PCM
I1   CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using the diagnostic scan tool, perform the network test.

Does the PCM pass the network test?

Yes For GSM , GO to I2
For TRCM , GO to I4
No GO to I6


I2   CHECK FOR GSM (GEARSHIFT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the GSM self-test.

Is DTC U0100 present?

Yes GO to I3
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


I3   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GSM (GEARSHIFT MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any GSM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the GSM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to I6


I4   CHECK FOR TRCM (TRANSMISSION RANGE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the TRCM self-test.

Are Diagnostic Trouble Codes (DTCs) P07F5 and/or U0100 present?

Yes GO to I5
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


I5   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE TRCM (TRANSMISSION RANGE CONTROL MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any TRCM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the TRCM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to I6


I6   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are Diagnostic Trouble Codes (DTCs) P0562, P0563 and/or P1397 present?

Yes
REFER to: Charging System (414-00 Charging System - General Information, Diagnosis and Testing).
No GO to I7


I7   CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0100 SET IN OTHER MODULES
  • Using the diagnostic scan tool, perform the self-test for all modules.
  • Retrieve the Diagnostic Trouble Codes (DTCs) from all modules.

Is DTC U0100 present in the ABS or IPC modules?

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PCM .
REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).
PERFORM the Transmission Strategy Download procedure. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F50, General Procedures).
No If the reporting module is the GSM , INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).

If the reporting module is the TRCM , INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Lost Communication with GSM

Normal Operation and Fault Conditions

The GSM and TRCM communicate on the High Speed 2 CAN . The PCM is on the High Speed 1 CAN . The GWM passes this information from HS2 CAN to HS1 CAN .

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
U0103 Lost Communication With Gear Shift Control Module "A" This DTC sets if the PCM lost communication with the GSM .


Possible Sources


PINPOINT TEST J : LOST COMMUNICATION WITH GSM (GEARSHIFT MODULE)
J1   CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using the diagnostic scan tool, perform the network test.

Does the GSM pass the network test?

Yes GO to J4
No GO to J2


J2   CHECK BCM (BODY CONTROL MODULE) FUSE 12 (7.5A)
  • Remove BCM fuse 12 (7.5A).
  • CHECK fuse 12 (7.5A).

Is the resistance less than 3 ohms?

Yes GO to J4
No GO to J3


J3   CHECK THE GSM (GEARSHIFT MODULE) POWER CIRCUIT FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C3532-1   Ground



Is the resistance greater than 10,000 ohms?

Yes INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No REPAIR the circuit.


J4   CHECK FOR GSM (GEARSHIFT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the GSM self-test.

Is DTC U0103 present?

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Lost Communication with ABS Module

Normal Operation and Fault Conditions

The ABS , GSM and TRCM use information contained in messages on the HS-CAN .

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module This DTC sets if the TRCM and/or the GSM does not receive some or all of an expected message from the ABS module.


Possible Sources


PINPOINT TEST K : LOST COMMUNICATION WITH ABS (ANTI-LOCK BRAKE SYSTEM) CONTROL MODULE
K1   CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using the diagnostic scan tool, perform the network test.

Does the ABS module pass the network test?

Yes For GSM , GO to K2
For TRCM , GO to K4
No GO to K6


K2   CHECK FOR GSM (GEARSHIFT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the GSM self-test.

Is DTC U0121 present?

Yes GO to K3
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


K3   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GSM (GEARSHIFT MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any GSM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the GSM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to K6


K4   CHECK FOR TRCM (TRANSMISSION RANGE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the TRCM self-test.

Is DTC U0121 present?

Yes GO to K5
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


K5   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE TRCM (TRANSMISSION RANGE CONTROL MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any TRCM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the TRCM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to K6


K6   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE ABS (ANTI-LOCK BRAKE SYSTEM) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Is DTC U3000:49 present?

Yes
REFER to: Anti-Lock Brake System (ABS) and Stability Control - Vehicles Built Up To: 03-June-2013 (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).
or REFER to: Anti-Lock Brake System (ABS) and Stability Control - Vehicles Built From: 20-May-2013 (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).
No GO to K7


K7   CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0121 SET IN OTHER MODULES
  • Using the diagnostic scan tool, perform the self-test for all modules.
  • Retrieve the Diagnostic Trouble Codes (DTCs) from all modules.

Is DTC U0121 present in the ABS or IPC modules?

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new ABS module.
REFER to: Hydraulic Control Unit (HCU) (206-09 Anti-Lock Brake System (ABS) and Stability Control, Removal and Installation).
No If the reporting module is the GSM , INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).

If the reporting module is the TRCM , INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Lost Communication with BCM

Normal Operation and Fault Conditions

The BCM , GSM and TRCM use information contained in messages on the HS-CAN .

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
U0140 Lost Communication With Body Control Module This DTC sets if the TRCM and/or the GSM does not receive some or all of an expected message from the BCM .


Possible Sources


PINPOINT TEST L : LOST COMMUNICATION WITH BCM (BODY CONTROL MODULE)
L1   CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using the diagnostic scan tool, perform the network test.

Does the BCM module pass the network test?

Yes For GSM , GO to L2
For TRCM , GO to L4
No GO to L6


L2   CHECK FOR GSM (GEARSHIFT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the GSM self-test.

Is DTC U0140 present?

Yes GO to L3
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


L3   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GSM (GEARSHIFT MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any GSM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the GSM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to L6


L4   CHECK FOR TRCM (TRANSMISSION RANGE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the TRCM self-test.

Is DTC U0140 present?

Yes GO to L5
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


L5   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE TRCM (TRANSMISSION RANGE CONTROL MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any TRCM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the TRCM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to L6


L6   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Is DTC U3000:49 present?

Yes
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).
No GO to L7


L7   CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140 SET IN OTHER MODULES
  • Using the diagnostic scan tool, perform the self-test for all modules.
  • Retrieve the Diagnostic Trouble Codes (DTCs) from all modules.

Is DTC U0140 present in the ABS or IPC modules?

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No If the reporting module is the GSM , INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).

If the reporting module is the TRCM , INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Lost Communication with RCM

Normal Operation and Fault Conditions

The RCM and the GSM and use information contained in messages on the HS-CAN .

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
U0151 Lost Communication With Restraints Control Module This DTC sets if the GSM does not receive some or all of an expected message from the RCM .


Possible Sources


PINPOINT TEST M : LOST COMMUNICATION WITH RCM (RESTRAINTS CONTROL MODULE)
M1   CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using the diagnostic scan tool, perform the network test.

Does the RCM pass the network test?

Yes For GSM , GO to M2
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


M2   CHECK FOR GSM (GEARSHIFT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the GSM self-test.

Is DTC U0151 present?

Yes GO to M3
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


M3   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GSM (GEARSHIFT MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any GSM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the GSM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to M4


M4   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE RCM (RESTRAINTS CONTROL MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Is DTC U3000:49 present?

Yes
REFER to: Airbag Supplemental Restraint System (SRS) (501-20B Supplemental Restraint System, Diagnosis and Testing).
No GO to M5


M5   CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0151 SET IN OTHER MODULES
  • Using the diagnostic scan tool, perform the self-test for all modules.
  • Retrieve the Diagnostic Trouble Codes (DTCs) from all modules.

Is DTC U0151 present in other modules?

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new RCM .
REFER to: Airbag Supplemental Restraint System (SRS) (501-20B Supplemental Restraint System, Diagnosis and Testing).
No INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Lost Communication with IPC

Normal Operation and Fault Conditions

The IPC , GSM and TRCM use information contained in messages on the HS-CAN .

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module This DTC sets if the TRCM and/or the GSM does not receive some or all of an expected message from the IPC .


Possible Sources


PINPOINT TEST N : LOST COMMUNICATION WITH IPC (INSTRUMENT PANEL CLUSTER) CONTROL MODULE
N1   CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using the diagnostic scan tool, perform the network test.

Does the IPC module pass the network test?

Yes For GSM , GO to N2
For TRCM , GO to N4
No GO to N6


N2   CHECK FOR GSM (GEARSHIFT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the GSM self-test.

Is DTC U0155 present?

Yes GO to N3
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


N3   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE GSM (GEARSHIFT MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any GSM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the GSM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to N6


N4   CHECK FOR TRCM (TRANSMISSION RANGE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the TRCM self-test.

Is DTC U0155 present?

Yes GO to N5
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.


N5   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE TRCM (TRANSMISSION RANGE CONTROL MODULE) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Are any TRCM Diagnostic Trouble Codes (DTCs) present?

Yes REFER to the TRCM DTC chart and diagnosis those Diagnostic Trouble Codes (DTCs) first.
No GO to N6


N6   RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
  • Check for Diagnostic Trouble Codes (DTCs) from the self-test.

Is DTC U3000:49 present?

Yes
REFER to: Instrument Panel Cluster (IPC) and Panel Illumination (413-00 Instrument Panel Cluster (IPC) and Panel Illumination, Diagnosis and Testing).
No GO to N7


N7   CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0155 SET IN OTHER MODULES
  • Using the diagnostic scan tool, perform the self-test for all modules.
  • Retrieve the Diagnostic Trouble Codes (DTCs) from all modules.

Is DTC U0155 present in the PCM or SCCM ?

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new IPC .
REFER to: Instrument Panel Cluster (IPC) (413-01 Instrumentation, Message Center and Warning Chimes, Removal and Installation).
No If the reporting module is the GSM , INSTALL a new GSM .
REFER to: Gearshift Module (GSM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).

If the reporting module is the TRCM , INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).



Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Lost Communication with TRCM

Normal Operation and Fault Conditions

The GSM and TRCM communicate on the High Speed 2 CAN . The PCM is on the High Speed 1 CAN . The GWM passes this information from HS2 CAN to HS1 CAN .



  DTC Fault Trigger Conditions


DTC Description Fault Trigger Conditions
U019E Lost Communication With Transmission Range Control Module This DTC sets if the GSM does not receive some or all of an expected message from the TRCM .


Possible Sources


PINPOINT TEST O : LOST COMMUNICATION WITH TRCM (TRANSMISSION RANGE CONTROL MODULE)
O1   CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using the diagnostic scan tool, perform the network test.

Does the TRCM pass the network test?

Yes GO to O4
No GO to O2


O2   CHECK BJB (BATTERY JUNCTION BOX) FUSE 23 (15A)
  • Remove BJB fuse 23 (15A).
  • CHECK fuse 23 (15A).

Is the resistance less than 3 ohms?

Yes GO to O4
No GO to O3


O3   CHECK THE TRCM (TRANSMISSION RANGE CONTROL MODULE) POWER CIRCUIT FOR A SHORT TO GROUND
  • Measure.


    Positive Lead Measurement / Action Negative Lead
      C1693-6   Ground



Is the resistance greater than 10,000 ohms?

Yes INSTALL a new BJB .
No REPAIR the circuit.


O4   CHECK FOR TRCM (TRANSMISSION RANGE CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Clear all Diagnostic Trouble Codes (DTCs).
  • Using the diagnostic scan tool, perform the TRCM self-test.

Is DTC U0103 present?

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new TRCM .
REFER to: Transmission Range Control Module (TRCM) (307-05A Automatic Transmission External Controls - Vehicles With: 6-Speed Automatic Transmission - 6F50, Removal and Installation).
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.





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