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  1. #1

    Default Air turns on and off?

    Hows it going everybody, I was just hopping back in my truck from grabbing a coffee, start it up and the air is on with none of the air controls on. I drove it home and parked it, shut it off and the air was still on. So I go out to leave today and the battery's dead. Anybody have an idea why this is doing this? short in the fusebox? Any help would be greatly appreciated! Thanks!

  2. #2


    could be the computer control box for the interior fan. the 03 i used to have did that to me once. $110 for the part and put it in and I was on my way, it sounds like yours is doing the exact same thing mine did.


    2011 GMC Sierra SLE 5.3 Z71 4X4 Stealth Gray Metallic / 2004 Chevy Impala LS 3.8 Cappuccino

    Tow mirrors - Diablew Tuned - Flowmaster Regular 40 - Ready Lift 2.5' lift - BFG LT A/T K/Os - Carr Light Wing - TruckLite LED lights - Optima Red Top - 50% Front Window Tint - Line-X bedliner - Airaid MIT - Tekonsha P2 - ARS Billet Grill - Fia custom fit seat covers

  3. #3


    Thanks Alex, This is the second time its happened! ill have to take a look at it after lunch ill keep you updated!

  4. #4


    Has your concern been resolved? I can also look into this with your VIN. Please feel free to keep me posted. Thank you.

    Tricia, GM Customer Service.

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