P0D37
Hybrid/EV Battery System Current High
Generic OBD-II
Common symptoms
What you'll notice
- Inspect and clean battery terminals and connections
- Check and replace faulty battery cables
- Test and replace the hybrid/EV battery pack if necessary
- Inspect and repair damaged wiring in the hybrid/EV system
Common causes
Most likely first
- Faulty hybrid/EV battery pack or cells
- Malfunctioning hybrid/EV battery management system
- Electrical wiring issues in the hybrid/EV battery system
- Stressed or damaged hybrid/EV battery connectors
How to diagnose & fix
Work through it in order
- Loss of power or reduced acceleration
- Warning light illuminates
Read & clear P0D37 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.