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Home >> Ford >> 2021 >> Explorer Limited Hybrid, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Automatic Transmission - 10-Speed Automatic Transmission - 10R60 (1 Of 3)) >> Diagnosis And Testing >> DTC Chart and Pinpoint Tests - 2.3L EcoBoost (201kW/273PS) >> Pinpoint Tests >> Pinpoint Test Ai : DTC P1001

Pinpoint Test Ai : DTC P1001

WARNING: This page is about a different variant/trim than selected.
  1. Normal Operation and Fault Conditions 

    The PCM only runs KOER test when the PCM confirms a the vehicle is in P or N and that there is no vehicle speed indicated.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    PCM P1001:00 KOER Not Able to Complete, KOER Aborted: No Sub Type Information May be caused by an incomplete or incorrect PCM configuration during the PMI process.

    Possible Sources 

    • Incomplete or incorrect PMI of the PCM.

  2. AI1 CHECK CORRECT GEAR STATE IS ACHIEVED

    • Ignition ON.

    • Using a diagnostic scan tool, monitor the PID, Transmission Range (TR) Sensor Position - Corrected.

    • Select DRIVE.

    Does the achieved gear range match the customer selected gear position? 

    Yes  GO to  AI2
    No  GO to Pinpoint Test C 
  3. AI2 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, clear the DTC for the PCM.

    • Wait 10 seconds.

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

    Does DTC P1001 return? 

    Yes  Refer to PCM GUIDED ROUTINE TESTING
    After programming the new PCM, CARRY OUT the transmission strategy download. REFER to: Transmission Strategy Download .
    No  The fault may be intermittent.