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Pinpoint Test BG: The Chime Only Sounds From The IPC (Instrument Panel Cluster)

  1. BG1 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

    • Ignition ON.

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  Refer to DTC Chart: IPC in this article. Refer to DTC Chart: Instrument Panel Cluster (IPC)  .
    No  GO to  BG2

  2. BG2 PERFORM THE ACM (AUDIO FRONT CONTROL MODULE) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  Refer to: Information and Entertainment System .
    No  GO to  BG3

  3. BG3 CHECK FOR CORRECT AUDIO SYSTEM OPERATION

    • Operate the audio system in AM/ FM mode.

    Does the audio system operate correctly? 

    Yes  If not  equipped with the Bang and Olufsen audio system, GO to
    No  DIAGNOSE the audio system. Refer to: Information and Entertainment System .

  4. BG4 PERFORM THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  Refer to: Information and Entertainment System .
    No  GO to  BG6

  5. BG5 CHECK FOR CORRECT ACM (AUDIO FRONT CONTROL MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all the ACM 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 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 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 ACM. Refer to: Audio Front Control Module (ACM) .
    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.

  6. BG6 CHECK FOR CORRECT AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE OPERATION

    • Ignition OFF.

    • Disconnect and inspect all the audio DSP module 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 audio DSP module 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 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 audio DSP module. Refer to: Audio Digital Signal Processing (DSP) 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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