OBD Guide

U0653

Lost Communication With EGR Sensor C

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

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

Causes

  • Open or short circuit in the EGR sensor circuit
  • Malfunction of the EGR sensor itself
  • Problems with the sensor connector (oxidation, damage)
  • Engine control unit malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the EGR sensor circuit
  2. Inspect the sensor connector for damage
  3. Check EGR sensor resistance
  4. Scan the control unit for other errors
  5. If necessary, replace the EGR sensor

Related codes

Error U0653 by Vehicle Brand