VFC-3000 sensor hub dimming issues

Potential Symptoms

  • One or both displays have dimming issues.
  • Manual brightness works but automatic does not.


  • Product Family: Transportation
  • Product:
  • Component: VFC-3000 @2, VFC sensor hub
  • Control System: Vanguard V3


  • Controllers power cycled in wrong order.


  1. Turn off both controllers.
  2. Turn on the primary controller first.
    1. Log into the first controller and view the peripherals. Wait for them to report values.
  3. Then power up the secondary controller.

KB ID: DD4143996

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