OBD Guide

B012A

DC/AC Converter A High Voltage Power Outlet D Circuit/Open

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

Symptoms

  • No power at high voltage outlets
  • Malfunction indicator light comes on
  • Reduced electrical system efficiency

Causes

  • Broken wiring harness
  • DC/AC converter malfunction
  • Poor contact in connectors
  • Short circuit in the circuit

How to Fix

  1. Check the wiring harness for breaks and damage
  2. Check the contacts in the converter connectors
  3. Test the DC/AC converter for serviceability
  4. Replace damaged components

Related codes

Error B012A by Vehicle Brand