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Pinpoint Test C: P0602

  1. Normal Operation and Fault Conditions 

    Refer to the DTC Fault Trigger Conditions.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    PCM P0602:00 Powertrain Control Module Programming Error: No Sub Type Information This DTC sets when a programming error within the vehicle identification (VID) block occurs.

    Possible Sources 

    • VID data corrupted by the scan tool during VID reprogramming
    • PCM reprogramming
    • Damaged PCM

  2. C1 CHECK FOR PCM (POWERTRAIN CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) S

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

    • Check for any other PCM related symptoms.

    Is DTC P0602 the only DTC present? 

    Yes  Reflash the PCM. Refer to Module Programming in the appropriate Module Configuration article. Repeat the self test.
    No  DIAGNOSE all PCMDTCs.
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