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Diagnostic Test

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1)  ACTIVE DTC 

    Ignition on, engine not running.

    With a scan tool, read PCM DTCs.

    Is the DTC active at this time? 

    Yes 

    1. Refer to ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS for diagnostic procedures and for further possible causes.

    No 

    1. Refer to INTERMITTENT CONDITION .
    2. Perform POWERTRAIN VERIFICATION TEST .
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