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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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My defroster is not working. 2007 Silverado 2500 HD LTZ, I

Customer Question

my defroster is not working.
JA: What is the model/year of your Chevy?
Customer: 2007 Silverado 2500 HD LTZ
JA: Are you fixing your Silverado yourself? What have you tried so far?
Customer: I haven`t tried anything yet.
JA: Anything else you want the mechanic to know before I connect you?
Customer: The air circulation button on the controls blinks
JA: How long has this been an issue? How many miles are on the car?
Customer: I don`t know , the truck has 133,000 miles.
Submitted: 1 month ago.
Category: Chevy
Expert:  david craig replied 1 month ago.

Hi Im David, thanks for visiting the site.
You could try an actuator reset
-Key off
-Remove HVAC/ECAS fuse (underhood) for at least 10 seconds
-Replace HVAC/ECAS fuse
-Start engine. Do not touch any a/c controls for at least 40 seconds while actuators perform relearn.

Customer: replied 1 month ago.
Ok I will try that first.
Expert:  david craig replied 1 month ago.

alrighty

Expert:  david craig replied 1 month ago.

any luck?

Expert:  david craig replied 1 month ago.

just checking in to see how its going