Diagnostic Test

2008 Jeep Commander Overland, RWDSECTION Diagnostic Test
  1. PCM PROGRAMMED 

    Ignition on, engine not running.

    With a scan tool, erase DTCs.

    With a scan tool program the PCM.

    Start the engine.

    Allow the engine to reach normal operating temperature.

    With a scan tool, select View DTCs.

    Does the DTC reset? 

    Yes 

    1. Replace and program the Powertrain Control Module per Service Information.
    2. Perform POWERTRAIN VERIFICATION TEST .

    No 

    1. The PCM has been successfully programmed. Test is complete.
    2. Perform POWERTRAIN VERIFICATION TEST .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.