BMW DTC P1E4A – Drive Motor ‘B’ Internal DC Link Voltage Sensor/Hybrid/EV Battery Pack Voltage and Current Sensor Correlation
DTC P1E4A meaning on BMW
The DTC P1E4A code on a BMW indicates an issue with the Drive Motor ‘B’ Internal DC Link Voltage Sensor or the Hybrid/EV Battery Pack Voltage and Current Sensor correlation. This means that there is a discrepancy between the voltage and current readings from these sensors, affecting the proper functioning of the drive motor and the hybrid or electric vehicle battery pack.
BMW DTC P1E4A symptoms
Symptoms of the DTC P1E4A code on a BMW may include reduced power output, poor acceleration, decreased fuel efficiency, and potential drivability issues. The vehicle may also display warning lights on the dashboard related to the hybrid or electric powertrain system.
BMW DTC P1E4A causes
The causes of the DTC P1E4A code on a BMW can vary and may include faulty drive motor sensors, issues with the hybrid or electric vehicle battery pack sensors, wiring problems, or software glitches within the vehicle’s control modules.
BMW DTC P1E4A seriousness
The DTC P1E4A code should be addressed promptly to prevent further damage to the vehicle’s powertrain components. Ignoring this code can lead to drivability issues, reduced performance, and potential safety concerns, especially in hybrid or electric vehicles.
How to diagnose DTC P1E4A on BMW
To diagnose the DTC P1E4A code on a BMW, a professional diagnostic scan tool capable of reading hybrid or electric vehicle codes is required. The technician will need to inspect the drive motor sensors, battery pack sensors, wiring connections, and control modules for any faults or discrepancies.
How to fix DTC P1E4A on BMW
Fixing the DTC P1E4A code on a BMW may involve replacing faulty sensors, repairing wiring issues, updating software, or recalibrating the control modules. It is recommended to have the repairs performed by a qualified automotive technician familiar with hybrid or electric vehicle systems.
How to erase DTC P1E4A on BMW
Once the underlying issue causing the DTC P1E4A code on a BMW has been resolved, the code can be cleared using a diagnostic scan tool. The technician can access the vehicle’s onboard computer system and erase the code to reset the system and turn off the warning lights on the dashboard.
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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