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Climate Control System: Pcm

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

DTC Description Action to Take
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 A/C Clutch Relay Control Circuit GO to Pinpoint Test B .
P06A0 Variable A/C Compressor Control Circuit GO to Pinpoint Test Y .
P1464 A/C Demand Out Of Self Test Range If the HVAC selector was not powered off, POWER the HVAC controls off, CLEAR the DTCs and REPEAT the self-test. If the DTC does not return, IGNORE the DTC and CONTINUE diagnosing other DTCs or symptoms. If the DTC returns, GO to Pinpoint Test N . (a)
All Other DTCs - REFER to Electronic Engine Controls .

(a)  PCM DTC P1464 will set if the function selector is in PANEL with A/C button pressed, DEFROST or MAX A/C mode when the on-demand self test is being run.