Engine Control Module: Service and Repair

Powertrain Control Module (PCM)













Removal and Installation

1. NOTE: Refer to Computers and Control Systems Information for correct Vehicle Communication Module (VCM) hook-up procedure.

If servicing the PCM, connect the scan tool to the vehicle. Allow the scan tool to identify the vehicle and obtain configuration data.

- All programmable module information will automatically be retrieved by the VCM.

2. Disconnect the battery ground cable. For additional information, refer to Battery.

3. Disconnect the 3 PCM electrical connectors.

4. Remove the 2 stud bolts and the PCM.
- To install, tighten to 9 Nm (80 lb-in).

5. NOTE: If the Instrument Cluster (IC) or the PCM is being replaced (or both), the parameters must be reset in both modules or the vehicle will experience a Passive Anti-Theft System (PATS) no-start. This will occur even if the vehicle is not equipped with PATS. For additional information, refer to Passive Anti-Theft System (PATS) Parameter Reset in Antitheft and Alarm Systems. Passive Anti-Theft System (PATS) Parameter Reset

To install, reverse the removal procedure.

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