Powertrain
Definition only
Lights the check engine lamp
P245E: Particulate Filter Pressure Sensor B Circuit
Standardized SAE J2012 code · P24xx — Auxiliary emission controls
What does P245E mean?
A general circuit fault on the secondary differential pressure sensor B across the DPF - measures backpressure for the regeneration strategy.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Common causes
- High Open in sensor or wiring
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P245E on the same make and model first.
P245E in the community
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