Diagnostic Test

Ignition on, engine not running.

With the scan tool, erase DTCs.

Using a scan tool, program the mileage into 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 mileage has been successfully programmed into the PCM. Test is complete.
2. Perform POWERTRAIN VERIFICATION TEST .