OBD Codes List

Diagnostic reference · P2CE5

P2CE5

Particulate Filter Pressure Sensor C Circuit

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P2CE5 means Particulate Filter Pressure Sensor C Circuit.

Where it lives

For P2CE5, the sensor sits on the circuit this code reports. The description of P2CE5 reports a fault at the sensor.

Check these first

  • An open in the particulate filter pressure sensor C circuit
  • A sensor C with a failed element
  • A blocked or disconnected sensor C pressure hose
  • Corrosion at the sensor C connector

What to do next

  1. Read particulate filter pressure sensor C on a scan tool
  2. Check the sensor C pressure hoses for a blockage or a leak
  3. Test the sensor C circuit for an open
  4. Inspect the sensor C connector for corrosion
  5. Replace particulate filter pressure sensor C if the circuit tests good
  6. Clear the code and retest

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Updated

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