BMW DTC P1E3E – Drive Motor ‘B’ Control Module Supply Voltage Circuit ‘B’ High
DTC P1E3E meaning on BMW
DTC P1E3E on a BMW indicates an issue with the Drive Motor ‘B’ Control Module Supply Voltage Circuit ‘B’ being too high. This fault code is specific to the electric drive system of the vehicle.
BMW DTC P1E3E symptoms
Symptoms of the BMW DTC P1E3E may include:
- Check Engine Light (MIL) illuminated
- Reduced power or performance
- Vehicle may go into a reduced power mode
BMW DTC P1E3E causes
Common causes of the BMW DTC P1E3E may include:
- Faulty Drive Motor ‘B’ Control Module
- Issues with the wiring or connectors in the supply voltage circuit
- Power supply issues
BMW DTC P1E3E seriousness
The seriousness of the BMW DTC P1E3E code lies in the potential impact on the vehicle’s performance and drivability. Ignoring this fault code can lead to further damage to the electric drive system.
How to diagnose DTC P1E3E on BMW
To diagnose the DTC P1E3E on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and any related codes
- Inspect the Drive Motor ‘B’ Control Module and related wiring for any visible damage
- Check the power supply to the control module
- Perform a voltage test on the circuit to determine if the voltage is within specifications
How to fix DTC P1E3E on BMW
To fix the DTC P1E3E on a BMW, you may need to:
- Replace the faulty Drive Motor ‘B’ Control Module
- Repair any damaged wiring or connectors in the supply voltage circuit
- Ensure the power supply to the control module is functioning correctly
How to erase DTC P1E3E on BMW
To erase the DTC P1E3E on a BMW, you can use a diagnostic scanner to clear the fault code after the underlying issue has been addressed and fixed. This will reset the Check Engine Light and remove the code from the vehicle’s memory.
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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