OBD Guide

P0E59

DC/DC Converter Temperature Sensor C Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Possible error messages in the on-board computer
  • In rare cases - overheating of the DC/DC converter

Causes

  • Malfunction of temperature sensor of DC/DC converter C
  • Damaged wiring harness or poor contacts in the sensor circuit
  • Corrosion or oxidation of contacts
  • Problems with the DC/DC converter control module
  • Temporary software failure

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Check the connections and contacts of the sensor
  3. Test the temperature sensor, replace if necessary
  4. Check and update control module software
  5. If necessary, replace the DC/DC converter

Related codes

Error P0E59 by Vehicle Brand