OBD Guide

P0E28

Drive Motor Inverter Temperature Sensor H Circuit

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$39–167 (est.)

Symptoms

  • Check Engine light comes on
  • Switching the hybrid system into emergency mode
  • Reduced motor performance
  • Possible problems with charging the high-voltage battery

Causes

  • Inverter temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Motor inverter malfunction
  • Wiring Harness Problems

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Inspect connectors and connections for corrosion
  3. Check the resistance of the temperature sensor
  4. Scan the ECU memory for additional codes
  5. If necessary, replace the temperature sensor or inverter

Related codes

Error P0E28 by Vehicle Brand