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PCM DTC Chart

WARNING: This page is about a different car, the 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
DTC Description Action to Take
P0532 A/C Refrigerant Pressure 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 U .
P1464 A/C Demand Out Of Self Test Range If the HVAC selector was not powered off, power the HVAC 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 .
All Other DTCs - REFER to Electronic Engine Controls .