BMW DTC P2346 – Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold
DTC P2346 meaning on BMW
DTC P2346 on a BMW indicates that there is a fault with Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold. This means that the sensor responsible for detecting knock or abnormal combustion in cylinder 11 has detected a reading above the specified threshold, indicating a potential issue with the combustion process in that cylinder.
BMW DTC P2346 symptoms
Symptoms of DTC P2346 on a BMW may include engine misfires, rough idling, reduced engine performance, and in some cases, the Check Engine Light may illuminate on the dashboard.
BMW DTC P2346 causes
The causes of DTC P2346 on a BMW can vary, but common reasons include a faulty knock sensor, issues with the combustion process in cylinder 11, engine timing problems, or a malfunctioning engine control module (ECM).
BMW DTC P2346 seriousness
Ignoring DTC P2346 on a BMW can lead to further engine damage, reduced fuel efficiency, and potential drivability issues. It is important to address this fault promptly to prevent any long-term damage to the engine.
How to diagnose DTC P2346 on BMW
To diagnose DTC P2346 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a thorough inspection of the knock sensor, cylinder 11 components, and engine timing. Additionally, checking for any abnormal combustion patterns in cylinder 11 would be essential.
How to fix DTC P2346 on BMW
Fixing DTC P2346 on a BMW may involve replacing the faulty knock sensor, addressing any issues with the combustion process in cylinder 11, adjusting engine timing if necessary, or repairing any ECM malfunctions. It is recommended to follow the manufacturer’s diagnostic procedures to accurately resolve the fault.
How to erase DTC P2346 on BMW
Once the underlying issue causing DTC P2346 on a BMW has been fixed, the fault code can be erased using a diagnostic scanner. By clearing the code, the Check Engine Light should turn off, indicating that the fault has been resolved.
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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