BMW DTC P250E – Engine Oil Level Sensor Circuit Intermittent/Erratic
DTC P250E meaning on BMW
DTC P250E on a BMW indicates an issue with the Engine Oil Level Sensor Circuit being intermittent or erratic. This fault code is triggered when the engine control module (ECM) detects a problem with the signal from the engine oil level sensor.
BMW DTC P250E symptoms
Symptoms of DTC P250E on a BMW may include:
- Check Engine Light illuminated
- Inaccurate engine oil level readings on the dashboard
- Engine performance issues
BMW DTC P250E causes
Common causes of DTC P250E on a BMW include:
- Defective engine oil level sensor
- Wiring or connector issues in the engine oil level sensor circuit
- ECM software or hardware problems
BMW DTC P250E seriousness
While DTC P250E may not directly affect the drivability of the vehicle, it is important to address this issue promptly to ensure accurate monitoring of the engine oil level. Ignoring this fault code could lead to potential engine damage due to incorrect oil level readings.
How to diagnose DTC P250E on BMW
To diagnose DTC P250E on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scan tool to retrieve the fault code and related data
- Inspect the engine oil level sensor and its wiring for any visible damage
- Test the engine oil level sensor using a multimeter to check for proper resistance values
- Check the ECM for any software updates or faults
How to fix DTC P250E on BMW
To fix DTC P250E on a BMW, the following steps may be taken:
- Replace the engine oil level sensor if it is found to be faulty
- Repair any damaged wiring or connectors in the sensor circuit
- Update the ECM software if necessary
How to erase DTC P250E on BMW
To erase DTC P250E on a BMW, the fault code can be cleared using a diagnostic scan tool. After addressing the underlying issue causing the fault code, the ECM can be reset to clear the code from the system.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.