P0E85
Battery Charger B Temperature Too High
Generic OBD-II
Common symptoms
What you'll notice
- Check if the battery charger is placed in a well
- ventilated area to prevent overheating.
- Ensure that the battery charger is compatible with the battery type and specifications.
- Check if there are any obstructions or debris blocking the airflow around the battery charger.
Common causes
Most likely first
- Overcharging of the battery
- Faulty battery charger
- Poor battery maintenance
- High ambient temperature
- Faulty temperature sensor
How to diagnose & fix
Work through it in order
- Battery not charging properly or not holding charge for long
- Overheating of the battery
- Warning light illuminates
Read & clear P0E85 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.