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.
Powertrain Control Module (PCM)
2021 Ford Edge SE, 4WDSECTION Powertrain Control Module (PCM)
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| DTC | Description | Action |
|---|---|---|
| P0504:00 | Brake Switch A / B Correlation | GO to Pinpoint Test C |
| P0572:00 | Brake Switch A Circuit Low | GO to Pinpoint Test C |
| P0573:00 | Brake Switch A Circuit High | GO to Pinpoint Test C |
| P1703:00 | Brake Switch Out Of Self-Test Range | GO to Pinpoint Test C |
| P1935:00 | Brake Switch/Sensor Signal | GO to Pinpoint Test C |
| All other Diagnostic Trouble Codes (DTCs) | - | For 2.0L EcoBoost, REFER to: ELECTRONIC ENGINE CONTROLS - 2.0L ECOBOOST (184KW/250PS) - MI4
. For 2.7L EcoBoost, REFER to: ELECTRONIC ENGINE CONTROLS - 2.7L ECOBOOST (238KW/324PS) . |
RENDER: 1.0x
NO RELATED
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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.