OBD Guide

P0EA3

DC/DC Converter Current Sensor C Circuit High

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • The Check Engine light comes on
  • Reduced efficiency of the DC/DC converter
  • Problems charging a 12-volt battery
  • Incorrect operation of the vehicle's electronic systems
  • Possible power reduction in hybrid systems

Causes

  • Faulty current sensor C DC/DC converter
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor circuit connectors
  • Wiring Harness Problems
  • Malfunction of the DC/DC converter itself

How to Fix

  1. Check the continuity of the current sensor circuit C
  2. Check connections and contacts in connectors
  3. Test current sensor C
  4. Check the operation of the DC/DC converter
  5. Replace faulty components

Related codes

Error P0EA3 by Vehicle Brand