OBD Guide

P058A

Battery Monitor Module Performance

P058A is an OBD-II diagnostic trouble code meaning: Battery Monitor Module Performance. Common causes: battery monitoring module malfunction, damage to module wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Low battery
  • Unstable operation of electrical equipment
  • Check Engine Light Is On
  • Problems starting the engine

Causes

  • Battery monitoring module malfunction
  • Damage to module wiring harness
  • Short circuit in the circuit
  • Battery problems
  • Oxidation of contacts

How to Fix

  1. Check the condition of the battery
  2. Inspect the wiring harness and module contacts
  3. Check voltage and signals from the module
  4. Replace the battery monitoring module if necessary
  5. Reset the error and check the system

Related codes

Error P058A by Vehicle Brand

FAQ

What does the P058A code mean?

P058A is an OBD-II diagnostic trouble code that indicates: Battery Monitor Module Performance

What causes a P058A error code?

The most common causes of P058A include: Battery monitoring module malfunction; Damage to module wiring harness; Short circuit in the circuit; Battery problems.

How do I fix a P058A diagnostic trouble code?

To fix P058A: Check the condition of the battery. Inspect the wiring harness and module contacts. Check voltage and signals from the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P058A?

Limited driving only, diagnose soon

How much does it cost to fix P058A?

The estimated repair cost for P058A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat