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DTC Chart: Powertrain Control Module (PCM)

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

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

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 
P0646 A/C Clutch Relay Control Circuit Low GO to Pinpoint Test B 
P0647 A/C Clutch Relay Control Circuit High GO to Pinpoint Test B 
P145B A/C Demand Not Activated During Self Test If the HVAC selector was not powered on, POWER the HVAC on, CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If the DTC returns, GO to Pinpoint Test G 
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 R 
All Other PCM Diagnostic Trouble Codes (DTCs) - For 6.2L V8 PCM DTC Chart, REFER to: Electronic Engine Controls .
For 6.8L Triton-30V - V10 PCM DTC Chart, REFER to: Electronic Engine Controls .
For 6.7L Power Stroke Diesel PCM DTC Chart, REFER to: Electronic Engine Controls .