Engine Control Module: Service and Repair
POWERTRAIN CONTROL MODULE (PCM) REPLACEMENT
REMOVAL PROCEDURE
1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
IMPORTANT: It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100%. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5000 km (3,000 mi) from the last engine oil change.
2. Disconnect the battery negative cable.
3. Disconnect the wiring harness.
4. Depress the retaining tab and remove the powertrain control module (PCM).
5. Remove the PCM from the housing.
INSTALLATION PROCEDURE
1. Install the PCM into the housing bracket.
2. Connect the wiring harness.
3. Connect the battery negative cable.
4. Program the PCM. Programming and Relearning