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P058B

Battery Monitor Module Current Monitoring Performance

Battery Monitor Module Current Monitoring 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.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: easy

Common causes

Ordered by how often each turns out to be the cause.

  • Shunt offsetCommon

Parts involved

  • Battery Monitor Module

P058B is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.