LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1647 (Engine Control System & Fuel System - 4.8L, 5.3L, 6.0L, 6.2L - DTC P1255 To DTC P3449) >> DTC P3401, P3425, P3441, or P3449 >> Reference Information

Reference Information

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 

Component Connector End Views

Description and Operation 

Cylinder Deactivation (Active Fuel Management) System Description

Electrical Information Reference 

DTC Type Reference 

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference 

Control Module References for scan tool information

Special Tools 

EN-46999  Displacement On Demand Tester

For equivalent regional tools, refer to Special Tools .