Applicable Systems
Golf
Jetta
Passat
Tiguan
Audi A4
Symptoms
DPF pressure sensor signal implausible; DPF regeneration may not initiate.
Possible Causes
- DPF pressure sensor signal out of range
- DPF pressure tube clogged or damaged
- DPF substrate excessive ash accumulation
Troubleshooting Steps
- Step 1: Check DPF pressure sensor wiring
Wiring intact, no corrosion - Step 2: Compare actual vs commanded DPF pressure
Pressure differential within spec - Step 3: Replace DPF pressure sensor or clean DPF
Component replaced or DPF cleaned
How to Reset
Clear codes and perform DPF regeneration cycle.
Comments (0)
Share your experience to help others facing the same problem.
Leave a Comment
Source: SAE J2012 Standard, OBD-II Service Manuals
Category: OBD-II
No comments yet. Be the first to share your experience!