OBD Guide

P205E

Reductant Tank Temperature Sensor A Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–67 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Reduced engine power
  • Possible transition to emergency mode
  • Unstable operation of the SCR system

Causes

  • Damage to the sensor wiring harness
  • Poor contact in the sensor connector
  • Temperature sensor malfunction
  • Short circuit in the circuit
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Clean and check the contacts in the connector
  3. Check the resistance of the temperature sensor
  4. Replace temperature sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P205E by Vehicle Brand