P2453: Diesel Particulate Filter Pressure Sensor A Circuit Range/Performance
The DPF differential pressure sensor reading doesn't make sense. Very often a cracked or plugged sensor hose.
Green, yellow, red: three ways P2453 can look
The same code can be a quick fix or a reason to pull over. Match your situation to the closest example.
Keep an eye on it
Set once, regens normal.
Schedule a repair
Regen problems or light returns. Repair soon.
Stop and get help
Derate. Get it fixed before driving far.
Symptoms you might notice
- DPF light
- Regens too often or not at all
Common causes, cheapest first
- Cracked, melted or plugged sensor hose (most common)
- Failed pressure sensor
- Wiring problem
What you can check before calling
- Inspect the two small hoses from the DPF to the sensor
A code points to a system, not a part. Replacing parts based on the code alone is how people spend money without fixing the problem. Testing confirms the cause first.
Want the full story? Read our guide: DPF regeneration explained: passive, active and forced.
Generic codes (second character 0) mean the same thing on every vehicle. Some manufacturers add their own details, so check service information for your exact vehicle.
Related codes
More diesel & cummins codes
- P2002
Diesel Particulate Filter Efficiency Below Threshold (Bank 1) - P242F
Diesel Particulate Filter Restriction - Ash Accumulation - P2459
Diesel Particulate Filter Regeneration Frequency - P244A
Diesel Particulate Filter Differential Pressure Too Low - P244B
Diesel Particulate Filter Differential Pressure Too High - P2080
Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 1)
Look up another code
Cummins fault code (like 1922), J1939 SPN and FMI (like SPN 3251 FMI 0), or an OBD-II code (like P0420).
Questions
What does P2453 mean?
P2453 means "Diesel Particulate Filter Pressure Sensor A Circuit Range/Performance". The DPF differential pressure sensor reading doesn't make sense. Very often a cracked or plugged sensor hose.
Can I drive with code P2453?
It depends on what the vehicle is doing. Green: Set once, regens normal. Yellow: Regen problems or light returns. Repair soon. Red: Derate. Get it fixed before driving far.
What causes P2453?
The most common causes are: cracked, melted or plugged sensor hose (most common); failed pressure sensor; wiring problem.
Is P2453 a serious code?
It can be. Derate. Get it fixed before driving far.
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