GPCM Replacement
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
If the GPCM is replaced, the following procedures must be performed:
- Enable GPCM programming - Refer to Service Programming System (SPS) .
- Fuel Injector Flow Rate Programming for fuel injector flow rate programming.