Powertrain Control Module: Removal

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

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 near the battery. See Fig 1.

Fig 1: PCM REMOVE/INSTALL

Courtesy of DAIMLERCHRYSLER CORP.

1 - PCM

2 - MOUNTING BOLTS (3)

3 - 32-WAY CONNECTORS

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.

Disconnect negative battery cable at battery.
Remove cover over electrical connectors. Cover snaps onto PCM.
NGC Modules : Carefully unplug the four 38-way connectors from PCM. JTEC Modules : Carefully unplug the three 32-way connectors from PCM.
Remove three PCM mounting bolts and remove PCM from vehicle.