2007 GMC ACADIA
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FAKHIR
  • MEMBER
  • 26 POSTS
how to check hvac controller when it is faulty or not working correctly??
Nov 13, 2012 at 8:24 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
you need a scan tool to monitor the functions. a shop can help you with this.

Roy
Nov 13, 2012 at 11:54 AM
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SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
  • 30,869 POSTS
Ase master is correct but what problem are you having?
Oct 16, 2017 at 7:43 PM