OBD Codes List

Diagnostic reference · U065C

U065C

Lost Communication With Right Front Mode Actuator

System
Network communication (U code)
Lamp
Check Engine Light
Category
Network Communications

What it means

U065C means Lost Communication With Right Front Mode Actuator.

Where it lives

For U065C, start at the actuator the description names.

Check these first

  • The bus cannot reach the right front mode actuator
  • A seized mode actuator motor
  • A binding mode door on the right front actuator
  • A broken actuator return spring
  • A missing command to the right front mode actuator

What to do next

  1. Command the right front mode actuator with a scan tool
  2. Inspect the mode door linkage for binding
  3. Check the actuator connector and wiring
  4. Test the actuator motor
  5. Replace the right front mode actuator if it does not move
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.