Powertrain
generic / SAE
P2453
Diesel Particulate Filter Pressure Sensor Circuit Range/Performance
The DPF differential-pressure sensor produces a value that is electrically valid but does not match expectations — for example a non-zero reading with engine off or no change between idle and load.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 53
Possible causes
- Sample hoses clogged or kinked high
- Sensor drift medium
- Sensor element aged beyond calibration window low
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–350 €
- Estimated time: 0.3–1.5 h
- Component: dpf differential pressure sensor
- Component: dpf pressure sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012