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Home >> Ford >> 2021 >> Bronco First Edition, 2D Utility >> Repair and Diagnosis >> Electrical >> Gauges >> Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test Am: The PRNDM Indicator Is Never On Or Never Displays P

Pinpoint Test Am: The PRNDM Indicator Is Never On Or Never Displays P

  1. Normal Operation and Fault Conditions 

    See PRNDM. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .

    If the transmission gear display, transmission gear display mode or transmission range display message is missing for less than 5 seconds, the display remains in the last indication state (on or off), based upon the last message received.

    If the transmission gear display, transmission gear display mode or transmission range display message is missing for 5 seconds or longer, the IPC defaults the display off.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    IPC P1706:00 High Vehicle Speed Observed in Park: No Sub Type Information Sets in continuous memory when vehicle speed is detected while the park detect switch is in PARK for 5 seconds or longer, but PRNDM does not display P.

    Possible Sources 

    • Wiring, terminals or connectors
    • Communication concern
    • Transmission concern
    • GWM
    • PCM
    • IPC

    Visual Inspection and Pre-checks 

    • Verify the vehicle is not in transport mode.

  2. AM1 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

    • Ignition ON.

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

    Are any DTCs recorded? 

    Yes  REFER to the Diagnostic Trouble Code (DTC) Chart .
    No  GO to  AM2

  3. AM2 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Controller Area Network (CAN) Module Communications Network .
    No  GO to  AM3

  4. AM3 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

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

    Are any transmission related DTCs recorded? 

    Yes  For 2.3L, REFER to: DTC Chart and Pinpoint Tests - 2.3L EcoBoost (199kW/270PS) . . For 2.7L, REFER to: DTC Chart and Pinpoint Tests - 2.7L EcoBoost (238kW/324PS) .
    No  GO to  AM4

  5. AM4 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) 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 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 IPC. REFER to: Instrument Panel Cluster (IPC) .
    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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