Section 1063 (Engine Controls Diagnosis - 6.6L (LLY) (DTC P0016 To DTC P0237))

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.