OBD Guide

P24A1

Closed Loop Particulate Filter Regeneration Control At Limit - Temperature Too High

P24A1 is an OBD-II diagnostic trouble code meaning: Closed Loop Particulate Filter Regeneration Control At Limit - Temperature Too High. Common causes: clogged particulate filter, malfunction of exhaust gas temperature sensors. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Burning smell from the exhaust system
  • Overheating of the lower part of the car

Causes

  • Clogged particulate filter
  • Malfunction of exhaust gas temperature sensors
  • Problems with the fuel injection system
  • Regeneration control system malfunction
  • Mechanical damage to the exhaust system

How to Fix

  1. Diagnosis of the condition of the particulate filter
  2. Checking exhaust gas temperature sensors
  3. Cleaning or replacing the diesel particulate filter
  4. Checking the fuel injection system
  5. ECU software update

Related codes

Error P24A1 by Vehicle Brand

FAQ

What does the P24A1 code mean?

P24A1 is an OBD-II diagnostic trouble code that indicates: Closed Loop Particulate Filter Regeneration Control At Limit - Temperature Too High

What causes a P24A1 error code?

The most common causes of P24A1 include: Clogged particulate filter; Malfunction of exhaust gas temperature sensors; Problems with the fuel injection system; Regeneration control system malfunction.

How do I fix a P24A1 diagnostic trouble code?

To fix P24A1: Diagnosis of the condition of the particulate filter. Checking exhaust gas temperature sensors. Cleaning or replacing the diesel particulate filter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24A1?

Do not drive โ€” repair immediately

How much does it cost to fix P24A1?

The estimated repair cost for P24A1 is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat