BMW DTC P246C – Particulate Filter Restriction – Forced Limited Power (Bank 1)
DTC P246C meaning on BMW
DTC P246C on a BMW indicates a Particulate Filter Restriction – Forced Limited Power issue in Bank 1. This fault code is related to the diesel particulate filter (DPF) system, which is designed to trap harmful particulate matter and reduce emissions.
BMW DTC P246C symptoms
Symptoms of DTC P246C on a BMW may include reduced engine power, decreased fuel efficiency, black smoke from the exhaust, and the illumination of the check engine light on the dashboard.
BMW DTC P246C causes
The most common causes of DTC P246C on a BMW are a clogged or damaged diesel particulate filter, faulty sensors related to the DPF system, exhaust leaks, or issues with the regeneration process of the DPF.
BMW DTC P246C seriousness
Ignoring DTC P246C on a BMW can lead to further damage to the engine and emissions system. Continued driving with this fault may result in increased emissions, reduced engine performance, and potential damage to other components of the vehicle.
How to diagnose DTC P246C on BMW
To diagnose DTC P246C on a BMW, a diagnostic scan tool can be used to retrieve the fault code and further investigate the DPF system. Checking the condition of the diesel particulate filter, inspecting related sensors, and performing a regeneration process can help pinpoint the root cause of the issue.
How to fix DTC P246C on BMW
Fixing DTC P246C on a BMW may involve cleaning or replacing the diesel particulate filter, repairing any exhaust leaks, replacing faulty sensors, and ensuring proper regeneration of the DPF system. It is recommended to follow manufacturer guidelines and seek professional assistance if needed.
How to erase DTC P246C on BMW
After fixing the underlying issue causing DTC P246C on a BMW, the fault code can be erased using a diagnostic scan tool. By clearing the code, the check engine light should turn off, indicating that the issue has been resolved. It is important to ensure that the problem has been fixed before clearing the fault code.
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
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