P058B
Battery Monitor Module Current Monitoring Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check the battery voltage and ensure it is within the proper range.
- Inspect the battery connections and clean any corrosion or loose connections.
- Test the battery monitor module for proper functioning and replace if necessary.
- Inspect the wiring and connections related to the battery monitor module for any damage or loose connections.
Common causes
Most likely first
- Weak or failing battery
- Faulty battery monitor module
- Incorrect battery installation or wiring
- High electrical load on the battery
- Battery drain from accessories or vehicle components
How to diagnose & fix
Work through it in order
- Battery draining quickly
- Difficulty starting the vehicle
- Loss of power or reduced engine performance
- Electrical system malfunctions, such as flickering lights or non
- functioning accessories
- Vehicle stalling or intermittent engine shut off
Read & clear P058B yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.