BMW DTC P1E49 – Drive Motor ‘B’ Internal DC Link Voltage Sensor Circuit High
DTC P1E49 meaning on BMW
DTC P1E49 on a BMW indicates an issue with the Drive Motor ‘B’ Internal DC Link Voltage Sensor Circuit registering a high voltage reading. This fault code is specific to the electric drive system of the vehicle.
BMW DTC P1E49 symptoms
Symptoms of DTC P1E49 on a BMW may include reduced power output from the electric drive motor, decreased efficiency in electric mode, and potential illumination of the check engine light or hybrid system warning light on the dashboard.
BMW DTC P1E49 causes
The high voltage sensor circuit fault indicated by DTC P1E49 on a BMW can be caused by issues such as a faulty sensor, damaged wiring or connectors in the circuit, or problems with the drive motor itself.
BMW DTC P1E49 seriousness
The seriousness of DTC P1E49 on a BMW lies in the potential impact on the vehicle’s electric drive system. If left unresolved, it can lead to reduced performance and efficiency of the electric motor, affecting the overall driving experience.
How to diagnose DTC P1E49 on BMW
To diagnose DTC P1E49 on a BMW, a thorough inspection of the drive motor ‘B’ internal DC link voltage sensor circuit is required. This involves checking the sensor, wiring, and connectors for any signs of damage or malfunction using a diagnostic scanner and multimeter.
How to fix DTC P1E49 on BMW
Fixing DTC P1E49 on a BMW typically involves replacing the faulty drive motor ‘B’ internal DC link voltage sensor or repairing any damaged wiring or connectors in the circuit. It is recommended to follow the manufacturer’s repair procedures and use genuine parts for a reliable fix.
How to erase DTC P1E49 on BMW
Once the underlying issue causing DTC P1E49 on a BMW has been resolved, the fault code can be erased using a diagnostic scanner capable of clearing trouble codes. This will reset the system and turn off the check engine light or hybrid system warning light 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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