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Home >> GMC >> 2003 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Performance System Removal & Installation >> Computerized Engine Controls >> Powertrain Control Module >> Removal

Powertrain Control Module: Removal

Ensure ignition is off. Disconnect negative battery cable. Locate PCM in right side of engine compartment. See Fig 1. Move the PCM retention bar and retainer away from the PCM. Remove the PCM from the PCM mounting bracket. Disconnect harness connectors from PCM. Remove PCM from vehicle.

Fig 1: Locating PCM
G00143841Courtesy of GENERAL MOTORS CORP.