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Pinpoint Test M : P1001

  1. Normal Operation and Fault Conditions 

    REFER to: Starting System - System Operation and Component Description .

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    PCM P1001:00 KOER Not Able to Complete, KOER Aborted: No Sub Type Information This DTC sets when the KOER self-test does not complete in the time allowed.

    Possible Sources 

    • Incorrect self-test procedure
    • Unexpected response from the self-test monitors
    • RPM out of specification

  2. M1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)

    • Place the ignition switch in the START position.

    • Using a diagnostic scan tool retrieve and record all Diagnostic Trouble Codes (DTCs).

    • Repair any self-test or Continuous Memory Diagnostic Trouble Codes (CMDTCs) and clear the DTC(s).

    • Rerun the KOER self test.

    Did DTC P1001 return? 

    Yes  GO to  M2
    No  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
  3. M2 REPROGRAM THE PCM (POWERTRAIN CONTROL MODULE)

    • Rerun the KOER self test.

    Did DTC P1001 return? 

    Yes  Refer to PCM GUIDED ROUTINE TESTING .
    No  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.