OBD Guide

P0EA5

DC/DC Converter B Performance

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Hybrid system warning light on dashboard
  • Reduced performance of the hybrid system
  • Problems charging a 12-volt battery
  • Disabling some electronic systems
  • Reduced vehicle performance

Causes

  • Faulty DC/DC converter B
  • Problems with high voltage battery
  • Open or short circuit in the converter circuit
  • Converter cooling problems
  • Control system software errors

How to Fix

  1. Diagnosis of high-voltage battery condition
  2. Checking the integrity of the converter circuits
  3. Testing the operation of DC/DC converter B
  4. Control system software update
  5. Replacing the DC/DC converter if necessary

Related codes

Error P0EA5 by Vehicle Brand