Some Model S Palladium and Model X Palladium vehicles were built without a hydraulic control unit (HCU)...

Bulletin number

SB2233001

Component

Power train

Summary

Some Model S Palladium and Model X Palladium vehicles were built without a hydraulic control unit (HCU) wake-up line, and in rare circumstances, braking and stability control related alerts may appear on the instrument cluster and touchscreen during the vehicle power-on process. Such faults can typically be corrected and the affected functionality restored with a vehicle power cycle.

Owners of these vehicles have filed 5 complaints in the transmission category.