2001 Ford Taurus P1401 Code: DPF EGR Circuit High Voltage Detected - How to Fix?
Hello! I'm looking for help with a P1401 diagnostic code on my 2001 Ford Taurus (DFP EGR circuit high voltage detected). The vehicle is showing this error, and I'd like to understand what it means and how to resolve it. Can anyone provide guidance on troubleshooting or fixing the issue related to the DPF/EGR circuit? I've checked basic diagnostics but need more specific steps for this model year.
Check out any of the over 100 forum posts discussing DPFE (Diesel Particulate Filter Emission) faults on Ford vehicles—many solutions have been shared before. This is a common issue, and the root cause often involves sensor malfunctions or wiring problems in the EGR circuit.