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Home >> Lincoln >> 2023 >> Navigator Base, 4WD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission External Controls >> Diagnosis And Testing >> External Controls >> Pinpoint Tests >> Pinpoint Test P: Transmission Stuck In Drive

Pinpoint Test P: Transmission Stuck In Drive

  1. Normal Operation and Fault Conditions 

    • GSM

      • Check for GSM diagnostic trouble codes (DTCs).

    • PCM

      • Check for clutch fault or communication diagnostic trouble codes (DTCs) in the PCM.

    • Park lock pawl solenoid pin stuck

    • Internal transmission components damaged

      • Check the park lock pawl valve, park pawl actuator and park pawl. REFER to: Transmission .

    Possible Sources 

    • Internal transmission components
    • GSM

  2. Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods .