OBD Guide

P24AF

Particulate Matter Sensor Circuit Range/Performance

P24AF is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Circuit Range/Performance. Common causes: particulate filter sensor malfunction, open or short circuit in the sensor circuit. 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
  • Unusual sensor readings in diagnostic equipment

Causes

  • Particulate filter sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Soot contamination of the sensor
  • Problems with the engine ECU

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Clean the sensor from dirt
  4. Check the sensor readings with a scanner
  5. Replace sensor if necessary

Related codes

Error P24AF by Vehicle Brand

FAQ

What does the P24AF code mean?

P24AF is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Circuit Range/Performance

What causes a P24AF error code?

The most common causes of P24AF include: Particulate filter sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Soot contamination of the sensor.

How do I fix a P24AF diagnostic trouble code?

To fix P24AF: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24AF?

Yes, but get it checked soon

How much does it cost to fix P24AF?

The estimated repair cost for P24AF is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat