OBD Guide

P0E52

DC/DC Converter Current Sensor A Circuit Range/Performance

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

Symptoms

  • Check Engine light comes on
  • Reduced battery efficiency
  • Problems starting the hybrid system
  • Reduced vehicle power
  • Errors in the operation of the recuperation system

Causes

  • DC/DC converter current sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Contact corrosion
  • Problems with the inverter control module

How to Fix

  1. Check sensor parameters using a diagnostic scanner
  2. Inspect the sensor circuit for damage
  3. Check connectors and contacts for oxidation
  4. If necessary, replace the current sensor
  5. Check and update control module software if necessary

Related codes

Error P0E52 by Vehicle Brand