BMW DTC P0337 – Crankshaft Position Sensor ‘A’ Circuit Low
DTC P0337 meaning on BMW
The DTC P0337 code on a BMW indicates that there is a low voltage condition in the circuit for the crankshaft position sensor ‘A’. The Engine Control Module (ECM) monitors the signal from the sensor and if it falls below a specified threshold, the code is triggered.
BMW DTC P0337 symptoms
Some common symptoms associated with DTC P0337 on a BMW may include:
- Engine misfires
- Difficulty starting the engine
- Engine stalling
- Reduced engine performance
BMW DTC P0337 causes
There are several potential causes for the DTC P0337 code on a BMW, including:
- Faulty crankshaft position sensor
- Wiring or connector issues in the sensor circuit
- ECM software or hardware problems
BMW DTC P0337 seriousness
Ignoring the DTC P0337 code on a BMW can lead to further engine performance issues and potential damage. It is important to address the underlying cause promptly to prevent more severe problems.
How to diagnose DTC P0337 on BMW
Diagnosing the DTC P0337 code on a BMW typically involves the following steps:
- Use a scan tool to read the fault codes and verify the presence of P0337.
- Inspect the wiring and connectors related to the crankshaft position sensor for any damage or corrosion.
- Test the sensor’s output voltage using a multimeter to ensure it is within specifications.
- If necessary, perform a visual inspection of the sensor itself for any physical damage.
How to fix DTC P0337 on BMW
Fixing the DTC P0337 code on a BMW may involve the following steps:
- Replace the faulty crankshaft position sensor if it is determined to be the cause of the issue.
- Repair any damaged wiring or connectors in the sensor circuit.
- If the ECM is suspected to be the problem, consider reprogramming or replacing it.
How to erase DTC P0337 on BMW
To erase the DTC P0337 code on a BMW, follow these steps:
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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