BMW DTC P0349 – Camshaft Position Sensor ‘A’ Circuit Intermittent (Bank 2)
DTC P0349 meaning on BMW
The Diagnostic Trouble Code (DTC) P0349 for BMW indicates an intermittent issue with the Camshaft Position Sensor ‘A’ Circuit on Bank 2. This means that the Engine Control Module (ECM) has detected a problem with the signal coming from the camshaft position sensor on the specified bank.
BMW DTC P0349 symptoms
Symptoms of a DTC P0349 on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Engine running rough or misfiring
- Loss of power or hesitation during acceleration
- Engine stalling or difficulty starting
BMW DTC P0349 causes
Common causes of a DTC P0349 on a BMW include:
- Faulty camshaft position sensor
- Wiring or connector issues in the camshaft position sensor circuit
- ECM software or hardware problems
BMW DTC P0349 seriousness
While a DTC P0349 may not always result in immediate drivability issues, it is important to address this problem promptly. Ignoring this code can lead to potential engine performance issues and further damage if left unresolved.
How to diagnose DTC P0349 on BMW
To diagnose a DTC P0349 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and any related freeze frame data
- Inspect the camshaft position sensor and its wiring for any visible damage or corrosion
- Check the sensor’s signal using a multimeter to ensure it is within specifications
- Perform a continuity test on the sensor circuit to identify any open or short circuits
How to fix DTC P0349 on BMW
To fix a DTC P0349 on a BMW, you can try the following solutions:
- Replace the camshaft position sensor if it is found to be faulty
- Repair any damaged wiring or connectors in the sensor circuit
- Clear the fault code and test drive the vehicle to ensure the issue has been resolved
How to erase DTC P0349 on BMW
To erase a DTC P0349 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After clearing the code, it is recommended to test drive the vehicle to verify that the issue has been successfully 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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