OBD Codes List

Diagnostic reference · P245E

P245E

Particulate Filter Pressure Sensor B Circuit

System
Auxiliary emission controls (P code)
Lamp
Check Engine Light
Category
Powertrain - Auxiliary Emissions Controls

What it means

P245E means Particulate Filter Pressure Sensor B Circuit.

Where it lives

For P245E, the circuit described runs through the sensor. The description of P245E reports a fault at the sensor.

Check these first

  • A failed particulate filter pressure sensor B
  • An open or short in the sensor B circuit
  • A backed out pin at the sensor B connector
  • Chafed wiring along the sensor B harness
  • A restricted DPF pressure hose feeding sensor B

What to do next

  1. Read particulate filter pressure sensor B on a scan tool
  2. Inspect the sensor B pressure hoses for cracks or soot blockage
  3. Test the sensor B circuit for open and short faults
  4. Check the sensor B connector pins and terminals
  5. Replace the particulate filter pressure sensor B if it fails testing
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.