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U0665: Lost Communication With Fuel Rail Pressure Sensor Bank 2

System
Vehicle Systems

What Does U0665 Mean?

U0665 is a diagnostic trouble code indicating: Lost Communication With Fuel Rail Pressure Sensor Bank 2. 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

U0660 Lost Communication With Left Rear Temperature Actuator B U0661 Lost Communication With Right Rear Temperature Actuator A U0662 Lost Communication With Right Rear Temperature Actuator B U0663 Lost Communication With Rear Mode Actuator U0664 Lost Communication With Rear HVAC Air Cutoff Actuator 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