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 689 (ENGINE EMISSION CONTROL - 2.7L ECOBOOST (238KW/324PS))DIAGNOSIS AND TESTINGEXHAUST GAS RECIRCULATION (EGR) SYSTEMDTC CHART(S)DIAGNOSTIC TROUBLE CODE (DTC) CHART
2021 Ford Edge SE, 4WD
Diagnostic Trouble Code (DTC) Chart
2021 Ford Edge SE, 4WDSECTION Diagnostic Trouble Code (DTC) Chart
WARNING: This page is about a different car, the 2021 Ford F-150. 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 .
Diagnostic Trouble Code Chart
| Module | DTC | Description | Action |
|---|---|---|---|
| PCM | P0401:00 | EGR A Flow Insufficient Detected: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P0402:00 | EGR A Flow Excessive Detected: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P0404:00 | EGR A Control Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P0405:00 | EGR Sensor A Circuit Low: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P0406:00 | EGR Sensor A Circuit High: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P041B:00 | EGR Temperature Sensor B Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test DS |
| PCM | P041C:00 | EGR Temperature Sensor B Circuit Low: No Sub Type Information | GO to Pinpoint Test DS |
| PCM | P041D:00 | EGR Temperature Sensor B Circuit High: No Sub Type Information | GO to Pinpoint Test DS |
| PCM | P044C:00 | EGR Sensor C Circuit Low: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P044D:00 | EGR Sensor C Circuit High: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P0471:00 | Exhaust Pressure Sensor A Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test DT |
| PCM | P0472:00 | Exhaust Pressure Sensor A Circuit Low: No Sub Type Information | GO to Pinpoint Test DT |
| PCM | P0473:00 | Exhaust Pressure Sensor A Circuit High: No Sub Type Information | GO to Pinpoint Test DT |
| PCM | P04FA:00 | EGR A Control Temperature Too High: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P139A:00 | EGR Sensor C Hoses Reversed: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P139B:00 | EGR Sensor C Upstream Hose Off Or Plugged: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P139C:00 | EGR Sensor C Downstream Hose Off Or Plugged: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P1408:00 | EGR Flow Out Of Self Test Range: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P2457:00 | EGR Cooler A Efficiency Below Threshold: No Sub Type Information | GO to Pinpoint Test HE |
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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.