Module-Powertrain Control: Installation

Use the scan tool to reprogram the new powertrain control module (PCM) with the vehicles original identification number (VIN) and the vehicles original mileage. If this step is not done, a diagnostic trouble code (DTC) may be set. 

Fig 1: PCM Remove/Install

Courtesy of DAIMLERCHRYSLER CORP.

1. Install PCM (1) and three mounting bolts (2) to vehicle.
2. Tighten bolts. Refer to torque specifications.
3. Check pin connectors in the PCM and its connectors for corrosion or damage. Also, the pin heights in connectors should all be same. Repair as necessary before installing connectors.
4. NGC Modules :   Carefully install the four 38-way connectors into PCM. JTEC Modules :   Carefully install the three 32-way connectors into PCM.
5. Install cover over electrical connectors. Cover snaps onto PCM.
6. Install battery cable.
7. Use the scan tool to reprogram new PCM with vehicles original Identification Number (VIN) and original vehicle mileage.