BMW DTC P1E55 – Drive Motor ‘B’ Control Module System Voltage Circuit High
DTC P1E55 meaning on BMW
The DTC P1E55 error code on a BMW indicates an issue with the Drive Motor ‘B’ Control Module System Voltage Circuit being too high. This fault is typically related to the electrical system of the drive motor control module.
BMW DTC P1E55 symptoms
Symptoms of the BMW DTC P1E55 code may include:
- Check Engine Light (MIL) illuminated
- Reduced power or performance
- Vehicle may go into a limp mode
BMW DTC P1E55 causes
Common causes of the BMW DTC P1E55 code include:
- Faulty drive motor control module
- Issues with the voltage supply to the control module
- Wiring or connection problems
BMW DTC P1E55 seriousness
The DTC P1E55 error code should be addressed promptly as it can affect the performance and drivability of the vehicle. Ignoring this issue may lead to further damage to the drive motor control system.
How to diagnose DTC P1E55 on BMW
To diagnose the DTC P1E55 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 control module for any visible damage
- Check the voltage supply to the control module
- Inspect the wiring and connections for any signs of wear or corrosion
How to fix DTC P1E55 on BMW
To fix the DTC P1E55 code on a BMW, the following steps may be taken:
- Replace the faulty drive motor control module if necessary
- Repair any issues with the voltage supply to the control module
- Repair or replace any damaged wiring or connections
- Clear the fault codes and test drive the vehicle to ensure the issue is resolved
How to erase DTC P1E55 on BMW
To erase the DTC P1E55 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 fault 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
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