BMW DTC P243C – Particulate Filter Regeneration Frequency, Bank 2
DTC P243C meaning on BMW
DTC P243C on a BMW indicates an issue with the Particulate Filter Regeneration Frequency on Bank 2. This code is specific to the diesel particulate filter system and relates to the frequency at which the filter regenerates to burn off accumulated soot particles.
BMW DTC P243C symptoms
Symptoms of DTC P243C on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Excessive exhaust smoke
BMW DTC P243C causes
Common causes of DTC P243C on a BMW include:
- Malfunctioning diesel particulate filter
- Issues with the regeneration system
- Excessive soot accumulation
- Problems with sensors or control modules
BMW DTC P243C seriousness
DTC P243C should not be ignored as it can lead to further damage to the diesel particulate filter system and affect the vehicle’s performance and emissions. It is recommended to address this issue promptly to prevent more severe problems.
How to diagnose DTC P243C on BMW
To diagnose DTC P243C on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the diesel particulate filter for damage or clogging
- Check the regeneration system components for proper operation
- Test sensors and control modules related to the particulate filter system
How to fix DTC P243C on BMW
To fix DTC P243C on a BMW, the following steps may be taken:
- Clean or replace the diesel particulate filter if necessary
- Repair or replace any faulty regeneration system components
- Address any issues with sensors or control modules
- Perform a forced regeneration of the particulate filter
How to erase DTC P243C on BMW
To erase DTC P243C on a BMW, the fault code can be cleared using a diagnostic scanner. After addressing the underlying issue causing the code, the code can be cleared to reset the Check Engine Light and monitor the system for any recurring problems.
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.