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Pinpoint Test H: The Advanced Driver Assist System Display (Adaptive Cruise Control, Lane Centering Aid, Lane Keeping System, Highway Assist, Speed Sign) Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Adaptive Cruise Control, Lane Centering Aid, Lane Keeping System, Highway Assist or Speed Sign Recognition. REFER to: Head Up Display (HUD) - System Operation and Component Description .

    Possible Sources 

    • Communication concern
    • IPMA concern
    • GWM concern
    • HUD module

  2. H1 CHECK THE HUD (HEAD UP DISPLAY) MENU SETTING

    • Press the RH lower steering wheel switch HUD button.

    • Verify the selected advanced driver assist system display is set to on.

    Is the advanced driver assist system display set to on? 

    Yes  GO to  H2
    No  If the HUD can be set to display the selected advanced driver assist system feature, the HUD is operating correctly at this time. The HUD was not set to display the selected system feature. If the HUD cannot be set to display the selected advanced driver assist system feature, GO to Pinpoint Test A 

  3. H2 PERFORM THE IPMA (IMAGE PROCESSING MODULE A) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Lane Keeping System .
    No  GO to  H3

  4. H3 PERFORM THE HUD (HEAD UP DISPLAY) MODULE SELF-TEST

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

    • Check for recorded Diagnostic Trouble Codes (DTCs) from the HUD module self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to Diagnostic Trouble Code (DTC) Chart .
    No  GO to  H4

  5. H4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Controller Area Network (CAN) Module Communications Network .
    No  GO to  H5

  6. H5 CHECK FOR CORRECT HUD (HEAD UP DISPLAY) OPERATION

    • Ignition OFF.

    • Disconnect and inspect the HUD module connector.

    • 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 HUD module 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 On-Line Automotive Service Information System (OASIS) for any applicable service articles. TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new HUD module. REFER to: Head Up Display (HUD) Module .
    No  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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