× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 3, 2021
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
2006 GMC Sierra 2500 HD SL 6.0L Compressor Relay VIN: 1GDHC24U36
Vehicle came in with bad compressor replaced with new one and charged a/c system to spec. A/c reay was jumpered with wire removed it and pcm is not grounding relay to energize compressor. Has new pcm, bcm, hvac control module, transducer. Have tested circu...

Fixes & Summaries for GM
Fix/Summary Answers
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next