2017 Chevy Colorado a/c fan blowing but no cold air.

Asked by GuruHM238 Jun 19, 2024 at 06:36 PM about the 2017 Chevrolet Colorado Z71 Crew Cab RWD

Question type: Maintenance & Repair

I bought a used 2017 Colorado. The a/c ran for the first month, then one day
the fan blower did not shut off after I turned off the ignition. When I went to
start the truck 8 hours later, no cold air. The dealer tech asked that I turn off
the vehicle and wait 10 seconds before turning the truck on. This was to
"reset" the computer. This worked. A month has passed. Same problem but
this time after "resetting" the computer still no a/c. The fan blower runs for an
additional 5 minutes after the truck is shut off.  Is this computer related or
something mechanical?

1 Answer
310,165

Gene answered 4 months ago

Sounds like something is messed up with the exit delay programming, unfortunately the only place to get it checked and redone is the dealer. If your lucky it might just need flashed to bring it all back online.

Mark helpful

Your Answer:

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