BMW DTC P1B06 – Drive Motor ‘B’ High Voltage System Interlock Circuit
DTC P1B06 meaning on BMW
The DTC P1B06 error code on a BMW refers to an issue with the Drive Motor ‘B’ High Voltage System Interlock Circuit. This code indicates a problem with the interlock circuit that controls the high voltage system of the drive motor ‘B’ in the vehicle.
BMW DTC P1B06 symptoms
Symptoms of the BMW DTC P1B06 code may include:
- Check Engine Light illuminated on the dashboard
- Reduced power or performance
- Vehicle may go into a limp mode
BMW DTC P1B06 causes
Common causes of the BMW DTC P1B06 code include:
- Faulty drive motor ‘B’
- Interlock circuit wiring issues
- Problems with the high voltage system
BMW DTC P1B06 seriousness
The DTC P1B06 error code should be addressed promptly as it can affect the performance and safety of the vehicle. Ignoring this issue may lead to further damage to the drive motor ‘B’ and other related components.
How to diagnose DTC P1B06 on BMW
To diagnose the DTC P1B06 code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the drive motor ‘B’ and its interlock circuit for any visible damage or loose connections
- Check the high voltage system components for proper operation
How to fix DTC P1B06 on BMW
To fix the DTC P1B06 code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring in the interlock circuit
- Address any issues with the drive motor ‘B’ by repairing or replacing it if necessary
- Ensure proper functioning of the high voltage system components
How to erase DTC P1B06 on BMW
To erase the DTC P1B06 code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the issue has been addressed and fixed, the code can be erased to reset the system and turn off the Check Engine Light.
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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