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  • P0601 PCM Internal Controller Failure

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    DTC P0601: PCM INTERNAL CONTROLLER FAILURE

    Monitor & Set Conditions

    Powertrain Control Module (PCM) internal controller is monitored when ignition is on. DTC may be stored when internal checksum for software failed or does not match calculated value.

    Possible Causes

    • PCM

    Testing

    Replace and program PCM. See appropriate REMOVAL, OVERHAUL & INSTALLATION article. PCM is located at passenger's side rear corner of engine compartment.


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