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Re: AC problem 99 cutlass with 3.1
Posted to HVAC Forum on 8/17/2014

Any ideas? Sure, use a scan tool to determine if the pcm is seeing a request for AC is just one. And if the pcm is commanding the AC on.

I've seen these inhibit AC operation with a malfunctioning power steering pressure switch or other problem. Going in "bli... Login to read more.