OBD-II code · Powertrain (generic)
P058A Battery Monitor Module Performance
Battery Monitor Module Performance: the component is electrically intact but its response does not match the command. The module reports battery current, voltage and temperature for charge management.
Is it safe to drive with P058A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyModule reads with drift
- Less likelyModule software outdated, reflash may resolve
- Less likelySupply voltage outside specification
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.4–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Monitor Module
Related codes
- P0587Cruise Control Vent Control Circuit Low
- P0588Cruise Control Vent Control Circuit High
- P0589Cruise Control Multi-Function Input B Circuit
- P058BBattery Monitor Module Current Monitoring Performance
- P058CBattery Monitor Module Temperature Monitoring Performance
- P058DBattery Monitor Module Voltage Monitoring Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.