All codes/U064F

U064F

Lost Communication With Intake Manifold Runner Position Sensor Bank 1

Moderate severity

The vehicle bus reports loss of communication with smart intake manifold runner position sensor on bank 1. Variable runner control loses its actual feedback; combustion may revert to a default runner setting.

The vehicle bus reports loss of communication with smart intake manifold runner position sensor on bank 1. Variable runner control loses its actual feedback; combustion may revert to a default runner setting.

Common causes

  • Bus wiring open or shorted

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $130-1100

  • Module without power or ground

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $130-1100

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does U064F mean?

U064F means "Lost Communication With Intake Manifold Runner Position Sensor Bank 1". It is a generic OBD-II code that points to a fault in the network / communication.

What are the most common causes of U064F?

bus wiring open or shorted; module without power or ground; module failed — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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