P24A2 – BMW DTC

BMW DTC P24A2 – Particulate Filter Regeneration Incomplete (Bank 1)

DTC P24A2 meaning on BMW

The DTC P24A2 code on a BMW indicates that the particulate filter regeneration process on Bank 1 is incomplete. This means that the diesel particulate filter (DPF) system is unable to effectively clean and regenerate itself, leading to potential issues with emissions control and engine performance.

BMW DTC P24A2 symptoms

Symptoms of a DTC P24A2 code on a BMW may include reduced engine power, increased fuel consumption, black smoke from the exhaust, and the illumination of the check engine light on the dashboard. Additionally, the vehicle may go into a reduced power mode to prevent further damage to the engine or emissions system.

BMW DTC P24A2 causes

The DTC P24A2 code on a BMW can be triggered by a variety of factors, including a faulty diesel particulate filter, sensor malfunctions, exhaust leaks, clogged filters, or issues with the regeneration system itself. Driving patterns that do not allow for proper regeneration of the DPF can also contribute to this issue.

BMW DTC P24A2 seriousness

Ignoring a DTC P24A2 code on a BMW can lead to increased emissions, reduced fuel efficiency, and potential damage to the engine and emissions system over time. It is important to address this issue promptly to prevent further complications and ensure the vehicle operates efficiently.

How to diagnose DTC P24A2 on BMW

To diagnose a DTC P24A2 code on a BMW, a diagnostic scan tool can be used to retrieve the specific fault codes stored in the vehicle’s computer system. Additionally, a visual inspection of the DPF system, sensors, and exhaust components can help identify any visible issues that may be causing the regeneration process to fail.

How to fix DTC P24A2 on BMW

Fixing a DTC P24A2 code on a BMW may involve replacing the diesel particulate filter, repairing or replacing faulty sensors, addressing exhaust leaks, cleaning or replacing clogged filters, and ensuring that the regeneration system is functioning properly. Following manufacturer guidelines for DPF maintenance and regeneration procedures can help prevent future occurrences of this issue.

How to erase DTC P24A2 on BMW

To erase a DTC P24A2 code on a BMW, a diagnostic scan tool can be used to clear the fault codes stored in the vehicle’s computer system. Once the underlying issue causing the code has been addressed and fixed, the code can be cleared to reset the check engine light and ensure that the vehicle is operating properly.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.