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Home >> Ford >> 2021 >> Expedition Platinum, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 449 (Instrumentation, Message Center And Warning Chimes (2 Of 2)) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test BC : The Cruise Control RTT (RECONFIGURABLE Telltale) Is Never On >> Pinpoint Test BC : The Cruise Control RTT (RECONFIGURABLE Telltale) Is Never On

Pinpoint Test BC : The Cruise Control RTT (RECONFIGURABLE Telltale) Is Never On

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

  1. BC1 CHECK THE MESSAGE CENTER OPERATION

    • Ignition ON.

    • Close all doors and the hood.

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

    • Monitor the door ajar RTT.

    • Open the driver door.

    • Clear the message center popup warning.

    • Monitor the door ajar RTT.

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

    Yes  GO to  BC2
    No  GO to Pinpoint Test A 

  2. BC2 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: Instrument Panel Cluster (IPC) .
    No  GO to  BC3

  3. BC3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Communications Network .
    No  DIAGNOSE the cruise control system. For base cruise control, REFER to: Cruise Control . For ACC, REFER to: Cruise Control .
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