Reference Information

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

Schematic Reference

Automatic Transmission Controls Schematics

Connector End View Reference

Component Connector End View Index

Description and Operation

Transmission General Information

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

Transmission Control Module Scan Tool Information (4L60-E) or Transmission Control Module Scan Tool Information (6L50/6L80/6L90) or Transmission Control Module Scan Tool Information (2ML70)

Special Tools

J 35616 GM-Approved Terminal Test Kit
J 44152 Jumper Harness (20 pins). See Special Tools .