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P0645 Diagnostic Trouble Code Discussion for December 2010

A/C Clutch Relay Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0645
Help Request Posted
2006 Chevrolet Equinox LT 3.4L No Start, MIL Lamp on VIN: 2CND163F06
P0645: A/C Compressor Clutch Relay Control Circuit Malfunction. ... wont crank found bcm code U2105 not much info. Was able to use starter relay under hood and get to start w/key on. I had code p0230 fuel pump circuit problem. Haven't seen that come back w/engine running. The mil light stays on w p0480 low fan circuit and ...
December 29, 2010