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 PCM Diagnostic Trouble Codes (DTCs) may inhibit A/C operation. If any PCM Diagnostic Trouble Codes (DTCs) are retrieved, diagnose those first. Refer to the DTC Chart: PCM.
| 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: Electronic Engine Controls . |