P245F
Particulate Filter Pressure Sensor B Circuit Range or Performance
Same as P245E with the signal in plausible range yet not matching the engine model.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Common causes
Ordered by how often each turns out to be the cause.
- Sensor element driftedCommon
Parts involved
- DPF Pressure Sensor B
P245F is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.