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) 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, read 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 .