BMW DTC P0E44 – Hybrid/EV Battery Pack Voltage Sense ‘E’ Circuit
DTC P0E44 meaning on BMW
DTC P0E44 on a BMW indicates an issue with the Hybrid/EV Battery Pack Voltage Sense ‘E’ Circuit. This fault code is specific to the voltage sensing circuit within the hybrid or electric vehicle battery pack.
BMW DTC P0E44 symptoms
Symptoms of DTC P0E44 on a BMW may include:
- Check Engine Light (MIL) illuminated
- Hybrid/EV system warning light on
- Reduced hybrid or electric vehicle performance
- Decreased fuel efficiency
BMW DTC P0E44 causes
Common causes of DTC P0E44 on a BMW include:
- Faulty voltage sensor in the battery pack
- Wiring or connection issues in the voltage sensing circuit
- Hybrid/EV battery pack issues
BMW DTC P0E44 seriousness
The seriousness of DTC P0E44 on a BMW depends on the underlying cause. Ignoring this fault code can lead to further damage to the hybrid or electric vehicle system, potentially resulting in drivability issues and decreased efficiency.
How to diagnose DTC P0E44 on BMW
To diagnose DTC P0E44 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the voltage sensing circuit for any visible damage or loose connections
- Test the voltage sensor in the battery pack for proper operation
- Check the hybrid or electric vehicle battery pack for any issues
How to fix DTC P0E44 on BMW
Fixing DTC P0E44 on a BMW may involve the following steps:
- Repair or replace any damaged wiring or connections in the voltage sensing circuit
- Replace the faulty voltage sensor in the battery pack
- Address any issues with the hybrid or electric vehicle battery pack
- Clear the fault code and reset the system
How to erase DTC P0E44 on BMW
To erase DTC P0E44 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s system. Once the underlying issue has been addressed and fixed, clearing the fault code will reset the system and turn off the warning lights.
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.