P2453 – Diesel Particulate Filter Pressure Sensor B
Description
The ECM detects incorrect or missing DPF pressure sensor B readings.
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Compare Diagnostic ScannersSymptoms
- Loss of power
- DPF regeneration issues
- High fuel consumption
- Check Engine light
Causes
- Faulty pressure sensor B
- DPF blockage
- Wiring faults
- Exhaust leaks
Diagnosis
- Check sensor signals
- Inspect wiring
- Measure DPF pressure
- Check exhaust leaks
Repair
- Replace pressure sensor B
- Repair wiring
- Clean or replace DPF
