Fault Code P2454
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2454
Diesel Particulate Filter Differential Pressure Sensor 'A' Circuit Low
This code indicates a low voltage signal in the circuit of the Diesel Particulate Filter (DPF) differential pressure sensor 'A'. This often points to an electrical fault in the sensor or its wiring.
Part Details
Part Name
DPF Differential Pressure Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪400 - ₪1200
Engine Location
Near the DPF
Symptoms
- Check Engine Light illuminated
- Limp mode (Limp Mode)
- Reduced engine power
- DPF regeneration failure
Possible Causes
- 1Faulty DPF differential pressure sensor
- 2Short to ground in sensor circuit
- 3Damaged wiring/connectors
- 4Faulty Engine Control Module (ECM)
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