Particulate Filter Pressure Sensor B Circuit
A general circuit fault on the secondary differential pressure sensor B across the DPF - measures backpressure for the regeneration strategy.
Affected components
- Dpf pressure sensor b
Common causes
- High likelihood: Open in sensor or wiring
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
Related codes
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.