GM Service Manual Online
For 1990-2009 cars only

The following service procedures require either a programming or a setup event performed for a complete repair.

GPCM Replacement

If the glow plug controller (GPCM) is replaced, the following procedures must be performed.

Fuel Injector Flow Rate Programming for fuel injector flow rate programming

Setup for Component Replacement

The replacement of some components will require a setup procedure for complete repair.

If any of the following components are replaced, the Fuel Injector Flow Rate Programming must be performed. Refer to Fuel Injector Flow Rate Programming.

    • Fuel injector
    • Engine control module (ECM)
    • GPCM