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P1546 Diagnostic Trouble Code Discussion for December 2008

A/C Clutch Relay Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1546
Help Request Posted
2002 Pontiac Grand Am SE 3.4L No Start VIN: 1G2NF52E72
P1546: A/C Clutch Relay Control Circuit Malfunction. This car will intermittenly not start it has spark and fuel press. is ok. It has no injector pulse unless I unplug the coolant sensor then it will get inj. pulse and run. If I shut it off and then try to restart it will lose pulse till I unplug the sensor agai...
December 04, 2008