I had similar issue with Seat Altea 2.0TDI 170hp. The owner traveled 480km to my place
I try 5 files - and mo matter what after 80-100km the ECU show DPF over 65%... regeneration, problems, dash blinking etc.
The DPF pressure sensor connector has 3 wires (+ / S / -) I made a jumper and test (S with -) and (S with +)
If I remember correctly when I grounded S the DPF reading was 0% and this solved my problem. PITA anyway.
Later I test each of my 5 DPF_OFF files - each one worked perfect.
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