GPCM Replacement
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 GMC Savana, 2013 GMC RV Cutaway, 2013 GMC Cutaway, 2013 Chevrolet RV Cutaway, and 2013 Chevrolet Express. 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.