Powertrain Control Module: Removal: Notes

USE THE DRB 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. 

The PCM is located in the engine compartment(Fig 1).

Fig 1: Identifying PCM Location

Courtesy of DAIMLERCHRYSLER CORP.

To avoid possible voltage spike damage to the PCM, ignition key must be off, and negative battery cable must be disconnected before unplugging PCM connectors.

1. Disconnect negative battery cable at battery.
2. Remove plastic shield from over 32-way connectors. Shield snaps to connectors.
3. Carefully unplug three 32-way connectors (Fig 1) from PCM.
4. Remove three PCM mounting bolts and remove PCM from vehicle.