Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 198 (CLIMATE CONTROL SYSTEM - GENERAL INFORMATION (2 OF 2))DIAGNOSIS AND TESTINGCLIMATE CONTROL SYSTEM - VEHICLES WITH: ELECTRONIC MANUAL TEMPERATURE CONTROL (EMTC)DTC CHARTSDTC CHART: POWERTRAIN CONTROL MODULE (PCM)
2021 Ford Edge SE, 4WD
DTC Chart: Powertrain Control Module (PCM)
2021 Ford Edge SE, 4WDSECTION DTC Chart: Powertrain Control Module (PCM)
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
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 |
| 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 N |
| 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 . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.