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Home >> Ford >> 2021 >> Expedition SSV, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test BB: The Engine On Warning Message Is Never Or Always Displayed >> Pinpoint Test BB: The Engine On Warning Message Is Never Or Always Displayed

Pinpoint Test BB: The Engine On Warning Message Is Never Or Always Displayed

  1. BB1 CHECK THE MESSAGE CENTER OPERATION

    • Ignition ON.

    • Close all doors, hood and liftgate.

    • Clear all message center warnings by pressing the OK button for each warning present.

    • Monitor the door ajar RTT indicator.

    • Open the driver door.

    • Clear the message center warning.

    • Monitor the door ajar RTT indicator.

    Is the door ajar RTT indicator off with the door closed, and on with the door open? 

    Yes  GO to  BB2
    No  GO to Pinpoint Test U 

  2. BB2 CHECK THE PRNDL OPERATION

    • Shift the transmission through the ranges while observing the PRNDL indication.

    Does the PRNDL indication match the selected transmission range? 

    Yes  GO to  BB3
    No  GO to Pinpoint Test AH 

  3. BB3 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

    • 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  BB4

  4. BB4 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  Refer to: Body Control Module (BCM) .
    No  GO to  BB5

  5. BB5 PERFORM THE TCM (TRANSMISSION CONTROL MODULE) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  Refer to: DTC Chart and Pinpoint Tests - 3.5L EcoBoost (272kW/370PS) .
    No  GO to  BB6

  6. BB6 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  Refer to: Electronic Engine Controls .
    No  GO to  BB7

  7. BB7 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: Communications Network .
    No  A guided routine is not applicable for this vehicle and market. Replace the component that was faulted through diagnosis.
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