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Code P1401 means:Differential pressure feedback electronic sensor circuit high voltage
P1401 - Differential Pressure Feedback EGR sensor ( DPFE ) circuit high voltage detected
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under glove box
It is important to keep up with a vehicle, to find out if there are issues a scanner will read codes. The code P1401 means DPFE Sensor Circuit High.
Trouble code P1401 means: DPF EGR sensor circuit high voltage detected
In the glove box.
Follow the troubleshooting tree that is associated with that code.