OBD Guide

P058B

Battery Monitor Module Current Monitoring Performance

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Problems starting the engine
  • Battery low
  • Incorrect operation of the start-stop system

Causes

  • Current sensor fault
  • Damage to the battery control module wiring harness
  • Oxidation or poor contact in connectors
  • Battery monitoring module malfunction
  • Module software error

How to Fix

  1. Check the integrity of the wiring harness and module connectors
  2. Check the current sensor for damage
  3. Clean the connector contacts and treat them with protective spray
  4. Check the power supply and ground of the module
  5. Scan the module for additional errors
  6. If necessary, replace the current sensor or control module
  7. Update module software (if required)

Related codes

Error P058B by Vehicle Brand