Powertrain Control Module
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
After replacing Powertrain Control Module (PCM) or if program needs to be updated, refer to latest Techline information on PCM reprogramming. PCM can only be programmed using Tech 2 and Techline terminal, or by using a personal computer equipped with current service programming system software installed. After reprogramming, perform INSPECTION/MAINTENANCE PROCEDURES, CRANKSHAFT POSITION SENSOR SYSTEM VARIATION LEARN PROCEDURE, OIL LIFE INDEX RESET, IDLE LEARN PROCEDURE. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. Program theft deterrent module. See THEFT DETERRENT MODULE under PROGRAMMING.