Engine Control Module: Service and Repair

Powertrain Control Module (PCM)













Removal

1. NOTE: PCM installation DOES NOT require new keys or programming of keys, only a Parameter Reset of the Passive Anti-Theft System (PATS).
Retrieve the module configuration. Carry out the module configuration retrieval steps of the Programmable Module Installation (PMI) procedure Programming and Relearning. For additional information, refer to Information Bus.

2. Detach the wiring harness retainer from the cowl stud bolt.

3. Disconnect the 3 PCM electrical connectors.

4. Remove the 2 bolts and the PCM.

5. Remove and inspect the PCM cowl seal; install new if damaged.

Installation

1. Install the PCM cowl seal.

2. Install the PCM and the 2 bolts.
- Tighten to 8 Nm (71 lb-in).


3. Connect the 3 PCM electrical connectors.

4. Attach the wiring harness retainer to the cowl stud bolt.

5. NOTE: If the Programmable Module Installation (PMI) procedure was not successful in downloading the data from the vehicles original PCM, then the oil life data of the vehicle is lost. If this occurs, and the oil life cannot be determined through service history or customer interview, it is recommended the vehicle engine oil and filter be changed and the oil change minder reset.
Restore the module configuration. Carry out the module configuration restore steps of the Programmable Module Installation (PMI) procedure Programming and Relearning. For additional information, refer to Information Bus.

6. Reprogram the PATS (Passive Anti-Theft System). Carry out the Parameter Reset procedure. For additional information, refer to Antitheft and Alarm Systems.

7. Using the scan tool, perform the Misfire Monitor Neutral Profile Correction procedure, following the on-screen instructions.