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 502 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (DIESEL))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSP040D - EGR TEMPERATURE SENSOR A CIRCUIT HIGH
2021 Ford Edge SE, 4WD
P040D - EGR Temperature Sensor A Circuit High
2021 Ford Edge SE, 4WDSECTION P040D - EGR Temperature Sensor A Circuit High
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DTC DESCRIPTION P040D - EGR TEMPERATURE SENSOR A CIRCUIT HIGH
| Description: This DTC sets when the exhaust gas recirculation temperature bank 1, sensor 2 (EGRT12) temperature is greater than a calibrated limit for a specified amount of time. When the EGRT12 is greater than a calibrated threshold, an increment counter advances for that drive cycle. | |||
Possible Causes:
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| Diagnostic Aids:
The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center. This DTC sets when the EGRT12 sensor signal voltage is greater than 4.9 volts for greater than 3 seconds. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST WA . | ||
RENDER: 1.0x
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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.