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Pinpoint Test BS : U0184:00

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

  1. BS1 VERIFY THE CUSTOMER CONCERN

    • Ignition ON.
    • Verify there is an observable symptom present.

    Is an observable symptom present? 

    Yes  GO to  BS2.
    No  CLEAR the DTC. The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

  2. BS2 CHECK THE COMMUNICATION NETWORK

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

    Does the ACM pass the network test? 

    Yes  GO to  BS3.
    No  REFER to Module Communications Network .

  3. BS3 PERFORM THE IPC SELF-TEST

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

    Are any voltage related DTCs recorded? 

    Yes  REFER to DTC Chart: IPC .
    No  GO to  BS4.

  4. BS4 RECHECK THE IPC DTCs

    • Clear the DTCs.
    • Wait 10 seconds.
    • Using a diagnostic scan tool, perform the IPC self-test.

    Is DTC U0184:00 still present? 

    Yes  GO to  BS5.
    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.

  5. BS5 CHECK FOR DTC U0184:00 SET IN OTHER MODULES

    • Clear all DTCs.
    • Ignition OFF.
    • Ignition ON.
    • Wait 10 seconds.
    • Using a diagnostic scan tool, retrieve all continuous memory DTCs.

    Is DTC U0184:00 set in other modules? 

    Yes  GO to  BS6.
    No  GO to  BS7.

  6. BS6 CHECK FOR CORRECT ACM OPERATION

    • Ignition OFF.
    • Disconnect and inspect all 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 TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new ACM. Refer to the appropriate Information and Entertainment Systems article for the procedure.
    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.

  7. BS7 CHECK FOR CORRECT IPC OPERATION

    • Ignition OFF.
    • Disconnect and inspect the IPC 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 IPC 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 TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern,
    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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