P058D
Battery Monitor Module Voltage Monitoring Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check and clean battery terminals and connections
- Inspect and replace the battery if necessary
- Test and replace the battery monitor module if it is not functioning properly
- Check and repair any wiring issues between the battery and the battery monitor module.
Common causes
Most likely first
- Faulty battery or low battery voltage
- Malfunctioning battery monitor module
- Loose or corroded battery connections
- Faulty voltage regulator
- Electrical system issues such as short circuits or wiring problems
How to diagnose & fix
Work through it in order
- Battery draining quickly or not holding a charge
- Difficulty starting the vehicle or frequent stalling
- Dimming or flickering headlights and other electrical issues
- Malfunctioning or erratic dashboard warning lights
- Loss of power or poor performance while driving
Read & clear P058D yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.