BMW DTC P1E39 – Drive Motor ‘B’ Control Module System Voltage Switch Voltage Sensor Circuit Range/Performance
DTC P1E39 meaning on BMW
The DTC P1E39 error code on BMW vehicles indicates an issue with the Drive Motor ‘B’ Control Module System Voltage Switch Voltage Sensor Circuit Range/Performance. This fault typically points to a problem with the voltage sensor circuit related to the control module for the drive motor ‘B’.
BMW DTC P1E39 symptoms
Symptoms of the BMW DTC P1E39 code may include:
- Check Engine Light (MIL) illuminated
- Reduced power or performance
- Vehicle may go into a reduced power mode
- Irregular shifting behavior
BMW DTC P1E39 causes
Common causes of the BMW DTC P1E39 code include:
- Faulty drive motor control module
- Issues with the voltage sensor circuit
- Wiring or connection problems
- Software glitches
BMW DTC P1E39 seriousness
The DTC P1E39 error code should not be ignored as it can lead to drivability issues and potential damage to the vehicle’s drivetrain components. It is recommended to address this problem promptly to prevent further complications.
How to diagnose DTC P1E39 on BMW
To diagnose the DTC P1E39 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the drive motor control module and related components
- Check the voltage sensor circuit for any faults
- Test the wiring and connections for continuity and proper voltage
How to fix DTC P1E39 on BMW
To fix the DTC P1E39 on a BMW, the following steps may be taken:
- Repair or replace the faulty drive motor control module
- Address any issues with the voltage sensor circuit
- Repair or replace damaged wiring or connections
- Update the software of the control module if necessary
How to erase DTC P1E39 on BMW
To erase the DTC P1E39 code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s system. Once the underlying issue has been addressed and fixed, the code can be cleared to reset 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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