BMW DTC P1B63 – Drive Motor Inverter Temperature Sensor ‘B’ Circuit Temperature Out of Range Low
DTC P1B63 meaning on BMW
DTC P1B63 on a BMW indicates an issue with the Drive Motor Inverter Temperature Sensor ‘B’ Circuit Temperature being out of range low. This means that the temperature sensor for the drive motor inverter is reporting a temperature that is lower than the expected range.
BMW DTC P1B63 symptoms
Symptoms of DTC P1B63 on a BMW may include:
- Check Engine Light illuminated
- Reduced power or performance
- Abnormal temperature readings on the dashboard
BMW DTC P1B63 causes
Possible causes of DTC P1B63 on a BMW include:
- Faulty drive motor inverter temperature sensor ‘B’
- Wiring or connection issues in the temperature sensor circuit
- Internal fault in the drive motor inverter
BMW DTC P1B63 seriousness
DTC P1B63 should be addressed promptly as it can lead to reduced performance and potential damage to the drive motor inverter if left unresolved.
How to diagnose DTC P1B63 on BMW
To diagnose DTC P1B63 on a BMW, you can:
- Use a diagnostic scanner to retrieve the fault codes and freeze frame data
- Inspect the drive motor inverter temperature sensor ‘B’ and its wiring for any visible damage
- Perform a resistance test on the temperature sensor to check for proper functionality
How to fix DTC P1B63 on BMW
To fix DTC P1B63 on a BMW, you may need to:
- Replace the drive motor inverter temperature sensor ‘B’ if it is faulty
- Repair any damaged wiring or connections in the temperature sensor circuit
- If the drive motor inverter is found to be faulty, it may need to be replaced or repaired
How to erase DTC P1B63 on BMW
After addressing the underlying issue causing DTC P1B63 on a BMW, you can erase the fault code by:
- Using a diagnostic scanner to clear the code
- Driving the vehicle through a complete drive cycle to ensure the code does not return
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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