P040D - EGR Temperature Sensor A Circuit High
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
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 . | ||