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Pinpoint Test A: The Power Liftgate Is Inoperative - Does Not Open Or Close

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the correct probe adapter(s) from the Flex Probe Kit when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. A1 RETRIEVE THE DTCs FROM THE LTM 
    • Use the recorded LTM  DTCs from the continuous and LTM  self-tests.
    • Are any LTM DTCs recorded? 
    • Yes:  For DTC B106F, REFER to the LIFTGATE/TRUNK MODULE (LTM) DTC CHART .

      For DTC B2908, GO to  A5.

      For DTC B2418, GO to  A19.

      For DTC B2419 or B2420, GO to  A18.

      For DTC B2935, GO to  A10.

      For DTC B2552, GO to  A13.

      For DTC B2936, B2819, B2937 or B2939, GO to  A14.

      For DTC B106E, GO to  A16.

      For DTC B1179, B117A or B117B, GO to  A27.

    • No:  GO to A2  .
  2. A2 CHECK THE OPERATION OF THE POWER LIFTGATE SWITCHES 
    • Vehicle in PARK.
    • NOTE: Make sure the power liftgate is enabled (ON) in the vehicle message center.
    • Close the liftgate to the full CLOSED position (manually if necessary).
    • Activate the power liftgate from the power liftgate control switch (instrument panel).
    • Activate the power liftgate from the remote transmitter.
    • Activate the power liftgate from the liftgate exterior handle.
    • Does the power liftgate power open from any switch? 
  3. A3 CHECK CIRCUIT SBP14 (BN/RD) FOR AN OPEN 
    • Disconnect LTM  C4174A.
    • Measure the voltage between LTM  C4174A-9, circuit SBP14 (BN/RD), harness side and ground.
      Fig 1: Measuring Voltage Between LTM C4174A-9, Circuit SBP14 (BN/RD), Harness Side And Ground
      G06070698Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes:  GO to A4  .
    • No:  VERIFY Smart Junction Box (SJB) fuse 14 (10A) is OK. If OK, REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.

      If not OK, REFER to the SYSTEM WIRING DIAGRAMS for Edge or SYSTEM WIRING DIAGRAMS for MKX to identify the possible causes of the circuit short. CLEAR the DTCs. REPEAT the LTM  self-test.

  4. A4 CHECK CIRCUIT GD149 (BK/GY) FOR AN OPEN 
    • Ignition OFF.
    • Measure the resistance between LTM  C4174A-1, circuit GD149 (BK/GY), harness side and ground.
      Fig 2: Measuring Resistance Between LTM C4174A-1, Circuit GD149 (BK/GY), Harness Side And Ground
      G06070699Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  RECONNECT power liftgate system electrical connectors and GO to A5  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  5. A5 CHECK THE DETENT AND FORKBOLT SWITCH PID 
    • Enter the following diagnostic mode on the scan tool: DataLogger - LTM  .
    • Operate the liftgate manually while monitoring the following LTM  PIDs:
      • Detent Switch Status (DETENTSW)
      • Forkbolt Switch Status (FORKBLT_S)
      • Forkbolt Secondary Switch (FKSWSEC)
    • NOTE: The liftgate is in the primary position when in the full closed position. The liftgate is in the unlatch position when open and completely out of the striker. The liftgate can be placed in the unlatched position by lifting up on the liftgate handle.
    • Begin with the liftgate in the OPEN position, then slowly close the liftgate into each of the latch positions specified by the table below.
      LIFTGATE LATCH POSITION REFERENCE CHART

      Liftgate Latch Position DETENTSW FKSWSEC FORKBLT_S
      Fully Unlatched Not active (1) Active Active
      In primary Active Not active Not active
      (1) If detent switch is active in the fully unlatched position, manually attempt to rotate the forkbolt towards the latched position.
    • Do the switch states agree with the table? 
    • Yes:  GO to  A10.
    • No:  GO to A6  .
  6. A6 CHECK THE OPERATION OF THE DETENT AND FORKBOLT SWITCHES 
    • Ignition OFF.
    • Disconnect: LTM  C4174B.
    • Measure the resistance between LTM  C4174B, harness side and ground at each of the connector pins and each latch position specified by the table below.
      LIFTGATE LATCH POSITION REFERENCE CHART

      Liftgate Latch Position C4174B Circuit Resistance
      Fully Unlatched Pin 3, circuit CPR66 (GY/YE) Greater than 10,000 ohms (1)
      Fully Unlatched Pin 5, circuit CPR64 (VT/OG) Less than 5 ohms
      Fully Unlatched Pin 4, circuit CPR65 (BU/GN) Less than 5 ohms
      Primary Pin 3, circuit CPR66 (GY/YE) Less than 5 ohms
      Primary Pin 5, circuit CPR64 (VT/OG) Greater than 10,000 ohms
      Primary Pin 4, circuit CPR65 (BU/GN) Greater than 10,000 ohms
      (1) If resistance measured is less than 5 ohms, manually rotate the forkbolt to the latched position and retest.
      Fig 3: Measuring Resistance Between LTM C4174B, Harness Side And Ground
      G06070700Courtesy of FORD MOTOR CO.
    • Do the resistance values agree with the table? 
    • Yes:  GO to  A31.
    • No:  GO to A7  .
  7. A7 CHECK THE DETENT AND FORKBOLT SWITCH GROUND CIRCUIT 
    • Disconnect: Liftgate Latch/Unlatch Assembly C4188.
    • Measure the resistance between power liftgate latch/unlatch assembly C4188-8, circuit GD149 (BK/GY), harness side and ground.
      Fig 4: Measuring Resistance Between Power Liftgate Latch/Unlatch Assembly C4188-8, Circuit GD149 (BK/GY), Harness Side And Ground
      G06284323Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to A8  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  8. A8 CHECK THE DETENT AND FORKBOLT SWITCH CIRCUITS FOR AN OPEN 
    • Measure the resistance between power liftgate latch/unlatch assembly C4188, harness side and LTM  C4174B, harness side using the following table:
      POWER LIFTGATE LATCH/UNLATCH ASSEMBLY REFERENCE CHART

      Power Liftgate Latch/Unlatch Assembly Circuit LTM 
      C4188-2 CPR64 (VT/OG) C4174B-5
      C4188-3 CPR65 (BU/GN) C4174B-4
      C4188-5 CPR66 (GY/YE) C4174B-3
      Fig 5: Measuring Resistance Between Power Liftgate Latch/Unlatch Assembly C4188 And LTM C4174B, Harness Side
      G06505731Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms on all circuits? 
    • Yes:  GO to A9  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  9. A9 CHECK THE DETENT AND FORKBOLT SWITCH CIRCUITS FOR A SHORT TO GROUND 
    • Measure the resistance between LTM  C4174B-5, circuit CPR64 (VT/OG), harness side and ground; between LTM  C4174B-4, circuit CPR65 (BU/GN), harness side and ground; then between LTM  C4174B-3, circuit CPR66 (GY/YE), harness side and ground.
      Fig 6: Measuring Resistance Between LTM C4174B, Harness Side And Ground
      G06070700Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms on all circuits? 
    • Yes:  CHECK the power liftgate latch connector for bent or corroded connections on the component side and harness side. REPAIR as necessary.

      INSTALL a new power liftgate latch. REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . CLEAR the DTCs. REPEAT the LTM  self-test.

    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  10. A10 CHECK POWER LIFTGATE ROD OPERATION 
    • Check for correct function of power liftgate rod and cable.
      • Correctly attached to motor and liftgate.
      • Cable turns with actuator.
    • Is the power liftgate rod operating correctly? 
    • Yes:  GO to A11  .
    • No:  REPAIR as necessary. If installing a new power liftgate rod, REFER to POWER LIFTGATE ROD . CLEAR the DTCs. REPEAT the LTM  self-test.
  11. A11 CHECK FOR VOLTAGE AT THE POWER LIFTGATE MOTOR AND CLUTCH 
    • Ignition ON.
    • Liftgate in the fully CLOSED position.
    • With the motor/clutch connected and while activating the power liftgate control switch, measure the voltage between power liftgate motor/clutch C4223-1, circuit CPR57 (GN/WH) backprobe and ground; then between power liftgate motor/clutch C4223-2, circuit CPR69 (BN/BU), backprobe and power liftgate motor/clutch C4223-7, circuit GD149 (BK/GY), backprobe.
      Fig 7: Checking Voltage At Power Liftgate Motor And Clutch
      G06070704Courtesy of FORD MOTOR CO.
    • Are both of the voltages greater than 10 volts while activating the power liftgate switch? 
    • Yes:  If no DTCs were present, GO to  A18. If DTCs were present, INSTALL a new power liftgate motor. REFER to POWER LIFTGATE MOTOR . CLEAR the DTCs. REPEAT the LTM  self-test.
    • No:  GO to A12  .
  12. A12 CHECK THE MOTOR AND CLUTCH VOLTAGE OUTPUTS AT THE LTM 
    • With the LTM  connected, measure the voltage between LTM  C4174A-6, circuit CPR58 (GN/OG), backprobe and ground; then between LTM  C4174A-8, circuit CPR69 (BN/BU), backprobe and ground.
      Fig 8: Checking Motor And Clutch Voltage Outputs At LTM
      G06070705Courtesy of FORD MOTOR CO.
    • Are the voltages greater than 10 volts while activating the power liftgate switch? 
    • Yes:  GO to  A14.
    • No:  GO to A13  .
  13. A13 CHECK FOR VOLTAGE AT THE LTM 
    • Ignition OFF.
    • Disconnect: LTM  C4174A.
    • Measure the voltage between LTM  C4174A-4 circuit SBB59 (BU/RD), harness side and ground.
      Fig 9: Measuring Voltage Between LTM C4174A-4, Circuit SBB59 (BU/RD) And Ground
      G06070706Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes:  If sent here because of DTC B2552, GO to  A31. Otherwise, GO to  A18.
    • No:  VERIFY Battery Junction Box (BJB) fuse 59 (30A) is OK. If OK, REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.

      If not OK, REFER to the SYSTEM WIRING DIAGRAMS for Edge or SYSTEM WIRING DIAGRAMS for MKX to identify the possible causes of the circuit short. CLEAR the DTCs. REPEAT the LTM  self-test.

  14. A14 CHECK CIRCUIT CLUTCH GROUND CIRCUIT GD149 (BK/GY) FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: LTM  Module C4174A.
    • Disconnect: Power Liftgate Motor C4223.
    • Measure the resistance between power liftgate motor C4223-7, circuit GD149 (BK/GY), harness side and ground.
      Fig 10: Measuring Resistance Between Power Liftgate Motor C4223-7, Circuit GD149 (BK/GY), Harness Side And Ground
      G06070707Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to A15  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  15. A15 CHECK THE MOTOR/CLUTCH CIRCUITS FOR AN OPEN 
    • Measure the resistance between LTM  C4174A, harness side and the power liftgate motor/clutch C4223, harness side, using the following chart:
      POWER LIFTGATE MOTOR/CLUTCH REFERENCE CHART

      LTM  Circuit Power Liftgate Motor/Clutch
      C4174A-5 CPR57 (GN/WH) C4223-1
      C4174A-6 CPR58 (GN/OG) C4223-5
      C4174A-8 CPR69 (BN/BU) C4223-2
      Fig 11: Measuring Resistance Between Ltm C4174A And Power Liftgate Motor/Clutch C4223, Harness Side
      G06505737Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to A16  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  16. A16 CHECK THE MOTOR/CLUTCH CIRCUITS FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: LTM  C4174A.
    • Disconnect: Power Liftgate Motor C4223.
    • Measure the resistance between LTM  C4174A-5, circuit CPR57 (GN/WH), harness side and ground; between LTM  C4174A-6, circuit CPR58 (GN/OG), harness side and ground; then between LTM  C4174A-8, circuit CPR69 (BN/BU), harness side and ground.
      Fig 12: Checking Motor/Clutch Circuits For Short To Ground
      G06070709Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 
    • Yes:  GO to A17  .
    • No:  REPAIR the circuit. If DTC B106E was present, CLEAR the DTCs. REPEAT the LTM  self-test.
  17. A17 CHECK THE MOTOR/CLUTCH CIRCUITS FOR A SHORT TO VOLTAGE 
    • Ignition ON.
    • Measure the voltage between LTM  C4174A-5, circuit CPR57 (GN/WH), harness side and ground; between LTM  C4174A-6, circuit CPR58 (GN/OG), harness side and ground; then between LTM  C4174A-8, circuit CPR69 (BN/BU), harness side and ground.
      Fig 13: Checking Motor/Clutch Circuits For Short To Voltage
      G06070710Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
    • No:  CHECK the power liftgate motor and clutch connectors for corrosion or pushed-out pins. REPAIR as necessary. CLEAR the DTCs. REPEAT the LTM  self-test.
  18. A18 CHECK THE POSITION SENSOR PID 
    • Ignition OFF.
    • Connect: All LTM  Connectors.
    • Connect: Power Liftgate Motor C4223.
    • Ignition ON.
    • Open the liftgate to the full OPEN position.
    • Enter the following diagnostic mode on the scan tool: DataLogger - LTM  .
    • Monitor the LTM  PIDs OPT_SEN_1 and OPT_SEN_2 while slowly closing the liftgate.
    • Do both of the PID values alternate from ACTIVE to INACTIVE while the liftgate is moving? 
    • Yes:  GO to  A27.
    • No:  GO to A19  .
  19. A19 CHECK THE POSITION SENSOR POWER CIRCUIT 
    • Disconnect: Power Liftgate Motor C4223.
    • Ignition ON.
    • Measure the voltage between power liftgate motor C4223-4, circuit CPR55 (GN/BU), harness side and ground.
      Fig 14: Measuring Voltage Between Power Liftgate Motor C4223-4, Circuit CPR55 (GN/BU), Harness Side And Ground
      G06070711Courtesy of FORD MOTOR CO.
    • Is the voltage approximately 4 to 5 volts? 
    • Yes:  GO to  A21.
    • No:  GO to A20  .
  20. A20 CHECK THE POSITION SENSOR POWER CIRCUIT FOR AN OPEN OR SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: LTM  C4174B.
    • Measure the resistance between LTM  C4174B-6, circuit CPR55 (GN/BU), harness side and power liftgate motor C4223-4, circuit CPR55 (GN/BU), harness side; and between LTM  C4174B-6, circuit CPR55 (GN/BU), harness side and ground.
      Fig 15: Checking Position Sensor Power Circuit For Open Or Short To Ground
      G06070712Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between LTM and power liftgate motor; and greater than 10,000 ohms between LTM and ground? 
    • Yes:  GO to  A31.
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  21. A21 CHECK THE POSITION SENSOR RETURN CIRCUIT 
    • Ignition OFF.
    • Disconnect: Power Liftgate Motor C4223.
    • Ignition ON.
    • Measure the resistance between power liftgate motor C4223-9, circuit RPR55 (WH/BU), harness side and ground.
      Fig 16: Measuring Resistance Between Power Liftgate Motor C4223-9, Circuit RPR55 (WH/BU), Harness Side And Ground
      G06070713Courtesy of FORD MOTOR CO.
    • Is the resistance less than 50 ohms? 
    • Yes:  GO to  A23.
    • No:  GO to A22  .
  22. A22 CHECK THE POSITION SENSOR RETURN CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: LTM  C4174B.
    • Measure the resistance between LTM  C4174B-7, circuit RPR55 (WH/BU), harness side and power liftgate motor C4223-9, circuit RPR55 (WH/BU), harness side.
      Fig 17: Checking Position Sensor Return Circuit For Open
      G06070714Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to  A31.
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  23. A23 CHECK THE POSITION SENSOR CIRCUITS FOR AN OPEN 
    • Ignition ON.
    • Measure the voltage between power liftgate motor C4223-3, circuit VPR53 (BU/WH), harness side and ground; and between power liftgate motor C4223-8, circuit VPR54 (BU/BN), harness side and ground.
      Fig 18: Checking Position Sensor Circuits For Open
      G06070715Courtesy of FORD MOTOR CO.
    • Is the voltage approximately 5 volts for both measurements? 
    • Yes:  INSTALL a new power liftgate motor. REFER to POWER LIFTGATE MOTOR . CLEAR the DTCs. REPEAT the LTM  self-test.
    • No:  GO to A24  .
  24. A24 CHECK THE POSITION SENSOR CIRCUITS FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: LTM  C4174B.
    • Measure the resistance between power liftgate motor C4223, harness side and LTM  C4174B, harness side using the following chart:
      POWER LIFTGATE MOTOR REFERENCE CHART

      Power Liftgate Motor Circuit LTM 
      C4223-3 VPR53 (BU/WH) C4174B-20
      C4223-8 VPR54 (BU/BN) C4174B-21
      Fig 19: Measuring Resistance Between Power Liftgate Motor C4223 And LTM C4174B, Harness Side
      G06070716Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to A25  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  25. A25 CHECK THE POSITION SENSOR CIRCUITS FOR A SHORT TO GROUND 
    • Measure the resistance between power liftgate motor C4223-8, circuit VPR54 (BU/BN), harness side and ground; and between power liftgate motor C4223-3, circuit VPR53 (BU/WH), harness side and ground.
      Fig 20: Checking Position Sensor Circuits For Short To Ground
      G06070717Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 
    • Yes:  GO to A26  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  26. A26 CHECK THE POSITION SENSOR CIRCUITS FOR A SHORT TO VOLTAGE 
    • Ignition ON.
    • Measure the voltage between power liftgate motor C4223-8, circuit VPR54 (BU/BN), harness side and ground; and between power liftgate motor C4223-3, circuit VPR53 (BU/WH), harness side and ground.
      Fig 21: Checking Position Sensor Circuits For Open
      G06070715Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
    • No:  GO to  A31.
  27. A27 CHECK THE UNLATCH/CINCHING MOTOR CIRCUITS 
    • Ignition OFF.
    • Disconnect: LTM  C4174A.
    • Close the power liftgate.
    • NOTE: Do not apply power and ground to the unlatch actuator circuits for more than a few seconds or damage to the motor may occur.
    • Connect a fused jumper wire between LTM  C4174A-3, circuit CPR62 (WH/BU), harness side and the positive side of the battery; and connect a jumper between LTM  C4174A-2, circuit CPR61 (BN), harness side and ground.
      Fig 22: Connecting Fused Jumper Wire Between LTM C4174A-3, Circuit CPR62 (WH/BU), Harness Side And Positive Side Of Battery
      G06070719Courtesy of FORD MOTOR CO.
    • Does the unlatch/cinching motor activate when power and ground are applied? 
    • Yes:  GO to  A31.
    • No:  GO to A28  .
  28. A28 CHECK THE UNLATCH/CINCHING MOTOR CIRCUITS FOR AN OPEN 
    • Disconnect: Liftgate Latch/Unlatch Assembly C4188.
    • Measure the resistance between power liftgate latch C4188, harness side and LTM  C4174A, harness side, using the following chart:
      LIFTGATE LATCH/UNLATCH ASSEMBLY REFERENCE CHART

      Liftgate Latch/Unlatch Assembly Circuit LTM 
      C4188-1 CPR61 (BN) C4174A-2
      C4188-4 CPR62 (WH/BU) C4174A-3
      Fig 23: Measuring Resistance Between Power Liftgate Latch C4188 And LTM C4174A, Harness Side
      G06505749Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to A29  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  29. A29 CHECK THE UNLATCH/CINCHING MOTOR CIRCUITS FOR A SHORT TO GROUND 
    • Measure the resistance between power liftgate latch C4188-1, circuit CPR61 (BN), harness side and ground; then between power liftgate latch C4188-4, circuit CPR62 (WH/BU), harness side and ground.
      Fig 24: Checking Unlatch/Cinching Motor Circuits For Short To Ground
      G06284343Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 
    • Yes:  GO to A30  .
    • No:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
  30. A30 CHECK THE UNLATCH ACTUATOR CIRCUITS FOR A SHORT TO VOLTAGE 
    • Ignition ON.
    • Measure the voltage between power liftgate latch C4188-1, circuit CPR61 (BN), harness side and ground; then between power liftgate latch C4188-4, circuit CPR62 (WH/BU), harness side and ground.
      Fig 25: Checking Unlatch Actuator Circuits For Short To Voltage
      G06284344Courtesy of FORD MOTOR CO.
    • Is voltage present on either circuit? 
    • Yes:  REPAIR the circuit. CLEAR the DTCs. REPEAT the LTM  self-test.
    • No:  CHECK the power liftgate latch connectors for bent or corroded connections on the component side and harness side. REPAIR as necessary.

      INSTALL a new power liftgate latch. REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . CLEAR the DTCs. REPEAT the LTM  self-test.

  31. A31 CHECK FOR CORRECT LTM OPERATION 
    • Disconnect all the LTM  connectors.
    • Check for:
      • corrosion.
      • pushed-out pins.
    • Connect all the LTM  connectors and make sure they are seated correctly.
    • Make sure the liftgate is fully CLOSED.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new LTM  . REFER to LIFTGATE/TRUNK MODULE (LTM) . REPEAT the LTM  self-test.
    • No:  The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the LTM  self-test.