P2453 — DPF Differential Pressure Sensor Range
Seen on: Heavy Truck/Diesel
DPF Differential Pressure Sensor Range. Common causes: Sensor reading does not match expected soot load.
Your code rides along, so nearby mechanics see the fault before they quote you.
How serious is it?
Caution. Limp to the next safe stop.
Most likely causes
- Sensor reading does not match expected soot load
- Plugged ports
- failed sensor
First moves (roadside)
- Blow out sensor ports with compressed air
- replace sensor if still off
FAQ
DPF Differential Pressure Sensor Range. Common causes: Sensor reading does not match expected soot load.
Caution — Limp to the next safe stop.
The most common cause is: Sensor reading does not match expected soot load. Other possibilities include Plugged ports; failed sensor.
Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Find a mechanic or related guides
General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.