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Pinpoint Test D: The Video Delay Or Guidelines Are Inoperative

  1. Normal Operation and Fault Conditions 

    The fixed and active guidelines are generated by the rear parking aid camera. The active guidelines rely on the steering angle message from the SCCM that are sent over the HS-CAN2 and HS-CAN1. The video delay is based on the selector lever position and controlled by the ACM (vehicles without SYNC) or the APIM (vehicles with SYNC). REFER to: Parking Aid - System Operation and Component Description .

    Possible Sources 

    • Rear parking aid camera
    • SCCM concern
    • BCM concern
    • Liftgate or rear cargo door switch concern
    • APIM concern (vehicles with SYNC)
    • ACM concern (vehicles without SYNC)
    • Interior auto-dimming mirror (vehicles equipped with a rear video display in the mirror)

    Visual Inspection and Pre-checks 

    • If the rear parking aid camera is not configured after replacement, some video functions will be inoperative. Turn the ignition on for 5 minutes to allow the BCM/camera configuration to complete.
    • For active guideline concerns, verify the concern was not caused by the steering wheel being in the straight ahead position. Active guidelines are not displayed unless the steering wheel is rotated.
    • For vehicles with a touchscreen centerstack infotainment display, verify the inoperative feature is enabled in the settings menu. Refer to the Owner's Literature.
    • When reversing with a trailer the screen does not display the lines.

  2. D1 PERFORM A NETWORK TEST

    • Ignition ON.

    • Using a diagnostic scan tool, perform a network test.

    Do all modules pass the network test? 

    Yes  GO to  D2
    No  REFER to: Communications Network .

  3. D2 CHECK THE BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

    • Using a diagnostic scan tool, perform the BCM self-test.

    Are any BCM Diagnostic Trouble Codes (DTCs) retrieved? 

    Yes  REFER to the BCM DTC Chart .
    No  If the vehicle is equipped with a display in the interior auto-dimming mirror, GO to  D6 If the vehicle is not equipped with a display in the interior auto-dimming mirror, GO to  D3

  4. D3 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, perform the SCCM self-test.

    Are any SCCM Diagnostic Trouble Codes (DTCs) retrieved? 

    Yes  REFER to: Anti-Lock Brake System (ABS) and Stability Control .
    No  If the vehicle is equipped with SYNC, GO to  D5 If the vehicle is equipped without SYNC, GO to  D4

  5. D4 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE ACM (AUDIO FRONT CONTROL MODULE) SELF-TEST

    • Using a scan tool, perform the ACM self-test.

    Are any Diagnostic Trouble Codes (DTCs) retrieved? 

    Yes  REFER to: Information and Entertainment System .
    No  For a video delay concern, GO to  D9 For a fixed or active guideline concern, GO to  D6

  6. D5 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE APIM (SYNC MODULE) SELF-TEST

    • Using a diagnostic scan tool, perform the APIM self-test.

    Are any Diagnostic Trouble Codes (DTCs) retrieved? 

    Yes  REFER to: Information and Entertainment System .
    No  For a video delay concern, GO to  D8 For a fixed or active guideline concern, GO to  D6

  7. D6 CHECK THE LIFTGATE/REAR CARGO DOOR AJAR SWITCH STATUS PID (PARAMETER IDENTIFICATION)

    • Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).

    • Monitor the DOOR_SW_LUGG PID while opening and closing the liftgate or rear cargo doors.

    Does the PID agree with the liftgate position? 

    Yes  GO to  D7
    No  REFER to: Locks, Latches and Entry Systems - Vehicles With: One-Touch Open and Close Front Windows .

  8. D7 ISOLATE THE CAMERA

    • Ignition OFF.

    • Test the system for normal operation.

    Is the concern still present? 

    Yes  GO to  D10
    No  The concern was caused by an inoperative rear parking aid camera.

  9. D8 CHECK FOR CORRECT APIM (SYNC MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect the APIM connector and related in-line connectors.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the APIM connector. Make sure it seats and latches correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new APIM. REFER to: SYNC Module [APIM] .
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

  10. D9 CHECK FOR CORRECT ACM (AUDIO FRONT CONTROL MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect the ACM connector and related in-line connectors.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the ACM connector. Make sure it seats and latches correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new ACM.
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

  11. D10 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect the BCM connectors.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the BCM connectors. Make sure they seat and latch correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, For vehicles without active park assist, INSTALL a new BCM. Refer to Body Control Module (BCM) .
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
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