OBD Guide

P2CE9

Particulate Filter Pressure Sensor C Circuit Intermittent/Erratic

P2CE9 is an OBD-II diagnostic trouble code meaning: Particulate Filter Pressure Sensor C Circuit Intermittent/Erratic. Common causes: open or short circuit in the sensor circuit, particulate filter pressure sensor malfunction. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • Unstable particulate filter pressure readings

Causes

  • Open or short circuit in the sensor circuit
  • Particulate filter pressure sensor malfunction
  • Poor contact in sensor connectors
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Check sensor resistance
  4. Replace the diesel particulate filter pressure sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P2CE9 by Vehicle Brand

FAQ

What does the P2CE9 code mean?

P2CE9 is an OBD-II diagnostic trouble code that indicates: Particulate Filter Pressure Sensor C Circuit Intermittent/Erratic

What causes a P2CE9 error code?

The most common causes of P2CE9 include: Open or short circuit in the sensor circuit; Particulate filter pressure sensor malfunction; Poor contact in sensor connectors; Wiring harness damage.

How do I fix a P2CE9 diagnostic trouble code?

To fix P2CE9: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2CE9?

Yes, but get it checked soon

How much does it cost to fix P2CE9?

The estimated repair cost for P2CE9 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat