OBD Guide

B012B

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

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

Symptoms

  • Disabling a high voltage outlet
  • Malfunction of additional systems powered by the converter
  • The malfunction indicator on the dashboard lights up

Causes

  • Broken wiring harness
  • DC/AC converter malfunction
  • Problems with control electronics
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the voltage at the output of the converter
  3. Diagnose control electronics
  4. Replace DC/AC converter if necessary

Related codes

Error B012B by Vehicle Brand