Repair Procedures

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification

Engine Control Module Programming and Setup (GAS)
Engine Control Module Replacement
Relay Replacement (Attached to Wire Harness) or Relay Replacement (Within an Electrical Center)
Underhood Electrical Center or Junction Block Replacement