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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1734 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Symptom Troubleshooting And Diagnosis) >> Tow/Haul Switch/Indicator Always On or Inoperative >> 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 

Automatic Transmission Controls Schematics

Connector End View Reference 

Electrical Information Reference 

Scan Tool Reference 

Control Module References for scan tool information