BMW DTC P1E37 – Drive Motor ‘B’ Control Module System Voltage Switch Voltage Sensor Circuit Low
DTC P1E37 meaning on BMW
The DTC P1E37 error code on BMW vehicles indicates an issue with the Drive Motor ‘B’ Control Module System Voltage Switch Voltage Sensor Circuit registering a low voltage reading.
BMW DTC P1E37 symptoms
Symptoms of the BMW DTC P1E37 code may include:
- Check Engine Light (MIL) illuminated
- Reduced power or performance
- Vehicle may go into a limp mode
BMW DTC P1E37 causes
Potential causes of the BMW DTC P1E37 code include:
- Faulty Drive Motor ‘B’ Control Module
- Issues with the voltage switch sensor circuit
- Wiring or connection problems
BMW DTC P1E37 seriousness
The DTC P1E37 error code should be addressed promptly as it can lead to reduced performance and potential drivability issues. Ignoring this code may result in further damage to the vehicle.
How to diagnose DTC P1E37 on BMW
To diagnose the DTC P1E37 code on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the Drive Motor ‘B’ Control Module and related components
- Check the voltage switch sensor circuit for any faults
- Inspect wiring and connections for any damage or corrosion
How to fix DTC P1E37 on BMW
To fix the DTC P1E37 code on a BMW, the following steps may be taken:
- Replace the faulty Drive Motor ‘B’ Control Module if necessary
- Repair or replace any damaged wiring or connections in the voltage switch sensor circuit
- Clear the fault codes and test drive the vehicle to ensure the issue has been resolved
How to erase DTC P1E37 on BMW
To erase the DTC P1E37 code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s system. Once the codes are cleared, the Check Engine Light should turn off. It is important to ensure that the underlying issue causing the code has been addressed before clearing the code.
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.