OBD Guide

P0E82

Auxiliary Cooling System Coolant Temperature Sensor A Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Turning on the Check Engine Light
  • Incorrect coolant temperature readings
  • Problems with climate control
  • Reduced cooling efficiency

Causes

  • Coolant temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine ECU
  • Coolant leak

How to Fix

  1. Check the level and condition of the coolant
  2. Test the temperature sensor with a multimeter
  3. Inspect the sensor circuit for damage
  4. Check sensor connectors and contacts
  5. Replace temperature sensor if necessary

Related codes

Error P0E82 by Vehicle Brand