BMW DTC P0E87 – Battery Charger ‘B’ Input Voltage Too High
DTC P0E87 meaning on BMW
The Diagnostic Trouble Code (DTC) P0E87 for BMW indicates that the Battery Charger ‘B’ Input Voltage is Too High. This means that the voltage being supplied to the battery charger exceeds the specified limit, potentially causing issues with the charging system.
BMW DTC P0E87 symptoms
Symptoms of the BMW DTC P0E87 may include:
- Check Engine Light illuminated
- Battery not charging properly
- Electrical system malfunctions
BMW DTC P0E87 causes
Possible causes of the BMW DTC P0E87 include:
- Faulty battery charger
- Issues with the charging system wiring
- Malfunctioning voltage regulator
BMW DTC P0E87 seriousness
The BMW DTC P0E87 should be addressed promptly to prevent potential damage to the vehicle’s electrical system and ensure proper charging of the battery. Ignoring this issue may lead to battery failure and other electrical component malfunctions.
How to diagnose DTC P0E87 on BMW
To diagnose the DTC P0E87 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the battery charger and associated wiring for any visible damage
- Test the voltage regulator for proper operation
How to fix DTC P0E87 on BMW
To fix the DTC P0E87 on a BMW, the following steps may be taken:
- Replace the faulty battery charger if necessary
- Repair or replace any damaged wiring in the charging system
- Check and replace the voltage regulator if it is malfunctioning
How to erase DTC P0E87 on BMW
To erase the DTC P0E87 on a BMW, the fault codes can be cleared using a diagnostic scanner. After addressing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and ensure that the repair was successful.
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.