OBD Guide

U068E

Lost Communication With EGR Temperature Sensor B

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Unstable operation at idle
  • Dips during acceleration

Causes

  • Open or short circuit in the sensor circuit
  • EGR B temperature sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • ECU malfunction (rare)

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check connections and connector contacts
  3. Test EGR temperature sensor B
  4. Replace sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error U068E by Vehicle Brand