The drive interface (DI) electronic control unit (ECU) detects Trailer Brake Control functionality may be reduced.
<0.01% (Extremely rare)
Trailer brake control reduced
Trailer brake functionality may be limited
Trailer brake control is in a backup state that mimics a time delay brake controller. Trailer brakes are applied when the driver presses the brake. This can be reduced with the gain. The vehicle should be driven with caution.
The drive interface (DI) electronic control unit (ECU) detects Trailer Brake Control functionality may be reduced.
Trailer brake control is in a backup state due to one or more invalid system input(s). Alert log signal data should provide more information on any invalid input(s) detected.
This alert will clear on the drive cycle after trailer brake control is re-enabled or no condition affecting functionality is detected.
Cybertruck
customer, service
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