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DTC Chart: Powertrain Control Module (PCM)

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .

NOTE: Some Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) may inhibit Air Conditioning (A/C) operation. If any Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) are retrieved, diagnose those first. Refer to the Diagnostic Trouble Code (DTC) Chart.

Powertrain Control Module (PCM) DTC Chart 

DTC Description Action
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 R 
P1464 A/C Demand Out Of Self Test Range If the HVAC selector was not powered off, POWER the HVAC off, CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If the DTC returns, GO to Pinpoint Test H 
P193E A/C Clutch Request Signal GO to Pinpoint Test N 
P2600 Coolant Pump "A" Control Circuit/Open GO to Pinpoint Test O 
P2601 Coolant Pump "A" Control Circuit Performance/Stuck Off GO to Pinpoint Test O 
P2602 Coolant Pump "A" Control Circuit Low GO to Pinpoint Test O 
P2603 Coolant Pump "A" Control Circuit High GO to Pinpoint Test O 
All Other PCM Diagnostic Trouble Codes (DTCs) -- Refer to the appropriate Engine system article , Diagnosis and Testing PCM DTC Chart.