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.
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.
Common causes
- high
Module reads with drift
One of the most commonly reported causes for this code — check this first.
Typical part cost: $130-440
- low
Module software outdated, reflash may resolve
Less common, but worth ruling out after the more likely causes.
Typical part cost: $130-440
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P058A mean?
P058A means "Battery Monitor Module Performance". It is a generic OBD-II code that points to a fault in the vehicle speed, idle control, auxiliary inputs.
What are the most common causes of P058A?
module reads with drift; module software outdated, reflash may resolve; supply voltage outside specification — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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