The vehicle trailer controller (VCTRAILER) ran a High Side Field-Effect Transistor (FET) functional test, but the voltage feedback was below the necessary threshold to confirm High Side FET functionality.
<0.01% (Extremely rare)
Trailer brakes may be unavailable
Exiting and re-entering vehicle may restore functionality
Trailer brakes may be unavailable or may not function as expected.
The vehicle trailer controller (VCTRAILER) ran a High Side Field-Effect Transistor (FET) functional test, but the voltage feedback was below the necessary threshold to confirm High Side FET functionality.
High Side FET functional test does not measure voltage greater than 2V, but a trailer is still detected based on open electrical load.
The High Side FET functional test passes, or a trailer is no longer detected (no open electrical load).
Cybertruck
customer, service-fix
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