P24A4 – BMW DTC

BMW DTC P24A4 – Particulate Filter Restriction – Soot Accumulation Too High, Bank 1

DTC P24A4 meaning on BMW

The DTC P24A4 code on a BMW indicates that the particulate filter in Bank 1 is experiencing a restriction due to excessive soot accumulation. This means that the filter is not able to effectively trap and burn off the soot particles, leading to reduced exhaust flow and potential engine performance issues.

BMW DTC P24A4 symptoms

Symptoms of the DTC P24A4 code on a BMW may include:

  • Reduced engine power
  • Decreased fuel efficiency
  • Check Engine Light (CEL) illuminated
  • Excessive black smoke from the exhaust

BMW DTC P24A4 causes

The main causes of the DTC P24A4 code on a BMW are:

  • Excessive soot accumulation in the particulate filter
  • Malfunctioning or clogged particulate filter
  • Issues with the exhaust gas recirculation (EGR) system

BMW DTC P24A4 seriousness

The DTC P24A4 code should not be ignored as it can lead to further damage to the engine and emissions system if left unresolved. Continued driving with this code present can result in reduced engine performance and potential engine damage.

How to diagnose DTC P24A4 on BMW

To diagnose the DTC P24A4 code on a BMW, a mechanic would typically perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the particulate filter for soot accumulation
  3. Check the EGR system for any malfunctions
  4. Perform a back pressure test on the exhaust system

How to fix DTC P24A4 on BMW

To fix the DTC P24A4 code on a BMW, the following steps may be taken:

  1. Clean or replace the particulate filter
  2. Repair or replace any faulty components in the EGR system
  3. Perform a forced regeneration of the particulate filter
  4. Clear the fault codes and reset the Check Engine Light

How to erase DTC P24A4 on BMW

To erase the DTC P24A4 code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s computer. Once the codes are cleared, the Check Engine Light should turn off. It is important to ensure that the underlying issue causing the code has been addressed before clearing the codes.