BMW DTC P1331 – ‘B’ Camshaft Position Timing Reference Position out of Range (Bank 1)
DTC P1331 meaning on BMW
The DTC P1331 on a BMW indicates that the ‘B’ Camshaft Position Timing Reference Position is out of range on Bank 1. This means that the camshaft position sensor is detecting that the camshaft is not in the correct position in relation to the crankshaft, leading to timing reference errors.
BMW DTC P1331 symptoms
Symptoms of DTC P1331 on a BMW may include:
- Check Engine Light illuminated
- Engine running rough or misfiring
- Reduced engine performance
- Difficulty starting the engine
BMW DTC P1331 causes
Common causes of DTC P1331 on a BMW include:
- Camshaft position sensor failure
- Timing chain or belt issues
- Incorrect camshaft timing
- Wiring or connector problems in the camshaft position sensor circuit
BMW DTC P1331 seriousness
Ignoring DTC P1331 on a BMW can lead to potential engine damage and reduced fuel efficiency. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P1331 on BMW
To diagnose DTC P1331 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and check for DTC P1331.
- Inspect the camshaft position sensor and its wiring for any visible damage or loose connections.
- Check the timing chain or belt for proper tension and alignment.
- Perform a visual inspection of the camshaft and crankshaft positions to ensure they are in sync.
How to fix DTC P1331 on BMW
To fix DTC P1331 on a BMW, you may need to:
- Replace the camshaft position sensor if it is faulty.
- Adjust the camshaft timing if it is off.
- Repair any wiring or connector issues in the camshaft position sensor circuit.
- Ensure the timing chain or belt is properly aligned and tensioned.
How to erase DTC P1331 on BMW
To erase DTC P1331 on a BMW, you can use a diagnostic scanner to clear the fault codes after the underlying issue has been addressed. Once the repairs have been made, you can reset the codes to see if the problem 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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