BMW DTC P1E3C – Drive Motor ‘B’ Control Module Supply Voltage Circuit ‘A’
DTC P1E3C meaning on BMW
DTC P1E3C for BMW refers to the Drive Motor ‘B’ Control Module Supply Voltage Circuit ‘A’. This diagnostic trouble code indicates an issue with the supply voltage circuit for the control module of drive motor ‘B’ in the vehicle.
BMW DTC P1E3C symptoms
Symptoms of BMW DTC P1E3C may include:
- Check Engine Light illuminated on the dashboard
- Reduced power or performance
- Vehicle may go into a limp mode
- Issues with acceleration or deceleration
BMW DTC P1E3C causes
Common causes of BMW DTC P1E3C can include:
- Faulty drive motor control module
- Wiring or connection issues in the supply voltage circuit
- Issues with the power supply to the drive motor ‘B’
BMW DTC P1E3C seriousness
The seriousness of BMW DTC P1E3C depends on the underlying cause. Ignoring this DTC can lead to further damage to the drive motor control module and affect the vehicle’s performance. It is recommended to address this issue promptly.
How to diagnose DTC P1E3C on BMW
To diagnose BMW DTC P1E3C, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the wiring and connections in the supply voltage circuit
- Check the power supply to the drive motor ‘B’
- Test the drive motor control module for faults
How to fix DTC P1E3C on BMW
To fix BMW DTC P1E3C, the following steps may be taken:
- Repair or replace any damaged wiring or connections in the supply voltage circuit
- Address any issues with the power supply to the drive motor ‘B’
- Replace the drive motor control module if found to be faulty
- Clear the fault code and test drive the vehicle to ensure the issue is resolved
How to erase DTC P1E3C on BMW
To erase BMW DTC P1E3C, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s system. After addressing the underlying issue and fixing the problem, the DTC can be erased to reset the Check Engine Light and ensure the repair was successful.
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.