VCTRAILER_a204_stcStuckOn

The vehicle trailer controller (VCTRAILER) detected current flowing through the Switched-Tank Converter (STC), in either the forward or backward direction, when VCTRAILER expected the STC to be powered off.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Trailer functionality may be unavailable
Exiting and re-entering vehicle may restore functionality

Impact

Trailer brakes may be inoperative

Description

The vehicle trailer controller (VCTRAILER) detected current flowing through the Switched-Tank Converter (STC), in either the forward or backward direction, when VCTRAILER expected the STC to be powered off.

Cause

Measured current through the STC is nonzero while it is commanded off

Clear condition

Toggle Trailer Mode OFF and ON

Models

Cybertruck

Visibility

customer, service-fix

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