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U0669: Lost Communication With EGR Sensor D

What Does U0669 Mean?

U0669 is a diagnostic trouble code indicating: Lost Communication With EGR Sensor D. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

What To Do Next

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

U0664 Lost Communication With Rear HVAC Air Cutoff Actuator U0665 Lost Communication With Fuel Rail Pressure Sensor Bank 2 U0666 Lost Communication With Reductant Pressure Sensor U0667 Lost Communication With Engine Oil Temperature Sensor A U0668 Lost Communication With Engine Oil Level Sensor Circuit U0670 Lost Communication With Fuel Temperature Sensor A U0671 Lost Communication With Fuel Temperature Sensor B U0672 Lost Communication With Engine Coolant Pump