OBD Guide

P24B2

Particulate Matter Sensor Circuit Intermittent

P24B2 is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Circuit Intermittent. Common causes: open or short circuit in the sensor circuit, oxidized or damaged contacts. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • Unstable engine operation at idle

Causes

  • Open or short circuit in the sensor circuit
  • Oxidized or damaged contacts
  • Malfunction of the particle sensor itself
  • Wiring Harness Problems
  • Engine ECU malfunction

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Inspect and clean connector contacts
  3. Check sensor resistance
  4. Replace the particle sensor if necessary
  5. Scan the system for other errors

Related codes

Error P24B2 by Vehicle Brand

FAQ

What does the P24B2 code mean?

P24B2 is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Circuit Intermittent

What causes a P24B2 error code?

The most common causes of P24B2 include: Open or short circuit in the sensor circuit; Oxidized or damaged contacts; Malfunction of the particle sensor itself; Wiring Harness Problems.

How do I fix a P24B2 diagnostic trouble code?

To fix P24B2: Check the integrity of the wiring to the sensor. Inspect and clean connector contacts. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24B2?

Yes, but get it checked soon

How much does it cost to fix P24B2?

The estimated repair cost for P24B2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat