Reference Information

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. 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 Views

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 (2ML70) or Transmission Control Module Scan Tool Information (4L60-E) or Transmission Control Module Scan Tool Information (6L45/6L50/6L80/6L90) or Transmission Control Module Scan Tool Information (Allison)

Special Tools

J 44152 Jumper Harness (20 Pins). See Special Tools .
J 45681 Jumper Harness