Powertrain Control Module: Removal

Ensure ignition is off. Disconnect negative battery cable. Locate PCM in left side of engine compartment, below battery. Disconnect harness connectors from PCM. See Fig 1 and Fig 2 . Release the spring latch from the PCM. Lift the PCM from the mounting tray. Remove PCM from vehicle.

Fig 1: Locating PCM & Identifying PCM Connectors

Courtesy of GENERAL MOTORS CORP.

Fig 2: Removing/Installing PCM

Courtesy of GENERAL MOTORS CORP.