GM Service Manual Online
For 1990-2009 cars only

The replacement powertrain control module (PCM) must be reprogrammed and the crankshaft position (CKP) system variation learn procedure must be performed. Refer to the following procedures:

    • Latest Techline information on PCM re-programming
    •  Crankshaft Position System Variation Learn
    •  Inspection/Maintenance (I/M) Complete System Set Procedure
    •  Programming Theft Deterrent System Components in Theft Deterrent Systems