Diesel Particulate Filter Differential Pressure Sensor Offset
At engine off, the DPF differential pressure sensor does not return to zero within the allowed offset window. The static offset is too large to be ignored.
Affected components
- Dpf diff pressure sensor
Common causes
- High likelihood: Sensor zero-point drift
Possible symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.