Quote:
Originally Posted by Airjer_
Sounds like its low on charge. Most places will offer an a/c performance test for a fairly resonable price $29-$39 plus froen is pretty common. They will add die to the system to find the leaks and then give you an estimate for repairs. You can decide if you want to tackle yourself or not. Don't be surprised to get a $1,000 + estimate!
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While this is a possibility, it's not likely on a vehicle that is only 2-3 years old (depending on mfr date).
A more likely possibility is a bad ambient air temp sensor. If the temp displayed in the DIC (Driver Information Center) is obviously incorrect, then this sensor is likely to blame. The A/C will not turn on if the temp displayed is below 40*F. The ambient air temp sensor is located in front of the radiator and is fairly easy to replace. It fails quite often on GM vehicles, but a replacement part is usually under $20 even from a stealership.