Reference Information

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Engine Controls Schematics

Connector End View Reference

Engine Control Module Connector End Views
Engine Controls Connector End Views

Electrical Information Reference

Circuit Testing
Connector Repairs
Testing for Intermittent Conditions and Poor Connections
Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Scan Tool Data List (Engine Control Module) or Scan Tool Data List (Glow Plug Control Module)
Scan Tool Data Definitions
Scan Tool Output Controls

Special Tools Required

CH-48027 Digital Pressure Gage
J 35616-200 Test Light Probe Kit. See Special Tools .