The drive interface (DI) electronic control unit (ECU) detects that the Trail Assist feature is unavailable.
<0.01% (Extremely rare)
Trail Assist unavailable
The DI may not be able to provide crawl or hill descent torque when Trail Assist is selected on UI.
The drive interface (DI) electronic control unit (ECU) detects that the Trail Assist feature is unavailable.
One of Trail Assist's unavailable reasons is active when requesting to activate.
The DI ECU detects that the condition preventing Trail Assist is no longer present.
Cybertruck
customer, service
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