Engine Control Module: Service and Repair

Powertrain Control Module (PCM)













Removal

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 3 PCM electrical connectors.

3. Remove the 2 retaining nuts and PCM.

Installation

1. Install the PCM and the 2 retaining nuts.
- Tighten to 7 Nm (62 lb-in).

2. Connect the 3 PCM electrical connectors.

3. NOTE: If the PCM or Instrument Cluster (IC) is 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)

Restore the module configurations for the IC module and the PCM. Carry out the module configuration restore steps of the Programmable Module Installation (PMI) procedure.

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