BMW DTC P2337 – Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold
DTC P2337 meaning on BMW
DTC P2337 on a BMW indicates that there is a fault with the Cylinder 2 Above Knock/Combustion Vibration Sensor. This sensor is responsible for detecting abnormal vibrations or knocking in the combustion process of the engine. When the sensor detects that the vibrations in cylinder 2 are above the specified threshold, it triggers the P2337 fault code.
BMW DTC P2337 symptoms
Symptoms of DTC P2337 on a BMW may include engine misfires, rough idling, reduced engine performance, and potentially an illuminated check engine light on the dashboard. The vehicle may also experience decreased fuel efficiency and overall drivability issues.
BMW DTC P2337 causes
The most common causes of DTC P2337 on a BMW include a faulty Cylinder 2 Above Knock/Combustion Vibration Sensor, wiring issues in the sensor circuit, or a problem with the engine control module (ECM). Additionally, mechanical issues such as engine knocking or excessive vibrations can also trigger this fault code.
BMW DTC P2337 seriousness
While DTC P2337 may not cause immediate drivability issues, it is important to address this fault code promptly to prevent potential damage to the engine over time. Ignoring this fault code can lead to further engine problems and increased repair costs.
How to diagnose DTC P2337 on BMW
To diagnose DTC P2337 on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the Cylinder 2 Above Knock/Combustion Vibration Sensor and its wiring. They may also check for any abnormal engine vibrations or knocking that could be contributing to the issue.
How to fix DTC P2337 on BMW
Fixing DTC P2337 on a BMW may involve replacing the faulty Cylinder 2 Above Knock/Combustion Vibration Sensor, repairing any damaged wiring in the sensor circuit, or addressing any underlying engine mechanical issues causing the abnormal vibrations. Once the root cause is identified and resolved, the fault code should be cleared.
How to erase DTC P2337 on BMW
To erase DTC P2337 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the engine control module (ECM) memory. After the repair has been completed and the underlying issue resolved, the fault code can be erased 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
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