FixVault

Diagnostic Test

  1. ACTIVE DTC 

    Ignition on, engine not running.

    With a scan tool, select View PCM DTCs.

    Is the DTC Active at this time? 

    Yes 

    1. Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

    No 

    1. Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
    2. Perform POWERTRAIN VERIFICATION TEST .