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Climate Control System - General Information And Diagnostics

CLIMATE CONTROL SYSTEM PCM DTC LIST

DTC Description Perform Test
P0532 A/C Pressure Refrigerant Sensor A Circuit Low Go to Pinpoint Test a .
P0533 A/C Refrigerant Pressure Sensor A Circuit High Go to Pinpoint Test a .
P0645 Air Conditioning Clutch Relay (A/CCR) Control Circuit Go to Pinpoint Test b .
P1464 A/C Demand Out Of Self Test Range If the HVAC selector was not in the OFF position, place it in the OFF position, CLEAR the DTCs and REPEAT the self-test. If the DTC does not return, ignore the DTC and continue diagnostics. If the DTC returns, go to Pinpoint Test h . a
All Other DTCs - REFER to Introduction - Gasoline Engines article.
CLIMATE CONTROL SYSTEM SMART JUNCTION BOX (SJB) DTC LIST

DTC Description Perform Test
B2175 A/C Request Signal Circuit Short to Ground Go to Pinpoint Test g .
All Other DTCs - REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES article.