BMW DTC P0348 – Camshaft Position Sensor ‘A’ Circuit High (Bank 2)
DTC P0348 meaning on BMW
The DTC P0348 code on a BMW indicates a problem with the Camshaft Position Sensor ‘A’ Circuit on Bank 2. This means that the signal being received from the camshaft position sensor on the specified bank is registering as too high, causing the Engine Control Module (ECM) to trigger the fault code.
BMW DTC P0348 symptoms
Symptoms of a DTC P0348 on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Engine running rough or misfiring
- Decreased fuel efficiency
- Engine stalling or difficulty starting
BMW DTC P0348 causes
Common causes of a DTC P0348 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 P0348 seriousness
While a DTC P0348 may not always result in immediate drivability issues, it is important to address this code promptly. Ignoring the problem can lead to further engine performance issues and potential damage over time.
How to diagnose DTC P0348 on BMW
To diagnose a DTC P0348 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 wiring and connectors related to the camshaft position sensor
- Test the camshaft position sensor using a multimeter
- Check for any ECM software updates or reprogramming that may be needed
How to fix DTC P0348 on BMW
To fix a DTC P0348 on a BMW, you can try the following:
- Replace the faulty camshaft position sensor
- Repair any damaged wiring or connectors in the sensor circuit
- If necessary, update or reprogram the ECM with the latest software
How to erase DTC P0348 on BMW
To erase a DTC P0348 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After addressing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and monitor the system for any recurring problems.
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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