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International Automotive Technicians Network
Re: AC compressor will not engage via dash controls
Posted to HVAC Forum on 5/30/2019

Ambient temp sensor cured issue. I did have ac pids for request and switch state which worked with tech 2 and after clearing with battery disconnect. Temp sensor was my first thought before I even got back to my shop as it started at 13 degrees and rose to 19 ... Login to read more.