A/C - DTC Reference/Sensor/Actuator Locations

Bulletin No.: 06-01-37-006

Date: July 27, 2006

INFORMATION

Subject:
Quick Reference Guide for HVAC DTC Codes and HVAC Sensor and Actuator Locations

Models:
2007 Cadillac Escalade, Escalade ESV, Escalade EXT
2007 Chevrolet Avalanche, Suburban, Tahoe
2007 GMC Yukon, Yukon XL, Yukon Denali, Yukon Denali XL

The purpose of this bulletin is to provide dealers with a quick reference guide to HVAC system diagnostic trouble codes (DTCs) and HVAC sensor and actuator locations in the 2007 full-size utilities. This information supplements information found in SI.

Important:
If any of the DTCs shown below are present, refer to SI for the full diagnostics for that DTC prior to replacing any component.