BMW DTC P0B08 – Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current High
DTC P0B08 meaning on BMW
DTC P0B08 on a BMW indicates an issue with the Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current being too high. This fault code is specific to the electric auxiliary transmission fluid pump motor in the vehicle.
BMW DTC P0B08 symptoms
Symptoms of DTC P0B08 on a BMW may include:
- Check Engine Light illuminated
- Transmission shifting issues
- Reduced fuel efficiency
BMW DTC P0B08 causes
Common causes of DTC P0B08 on a BMW include:
- Faulty electric auxiliary transmission fluid pump motor
- Wiring or connection issues
- Power supply problems
BMW DTC P0B08 seriousness
The seriousness of DTC P0B08 on a BMW can vary. While it may not always result in immediate drivability issues, ignoring this fault code can lead to potential transmission problems and decreased performance over time.
How to diagnose DTC P0B08 on BMW
To diagnose DTC P0B08 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the electric auxiliary transmission fluid pump motor for any visible damage
- Check the wiring and connections related to the pump motor
- Test the power supply to the motor
How to fix DTC P0B08 on BMW
To fix DTC P0B08 on a BMW, you may need to:
- Replace the electric auxiliary transmission fluid pump motor if it is faulty
- Repair any damaged wiring or connections
- Ensure the power supply to the motor is functioning correctly
How to erase DTC P0B08 on BMW
To erase DTC P0B08 on a BMW, you can:
- Use a diagnostic scanner to clear the fault code
- After fixing the underlying issue, reset the vehicle’s computer 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
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