Toyota Sienna, Tacoma +2 more: Brakes

The hazard

On certain vehicles, an oil passage in the rotor of the vacuum pump may not have been machined properly and could result in oil not being distributed throughout the pump. This could lead to the illumination of a warning light and message, an audible tone, and a sudden loss of braking assist, which could increase stopping distances and increase the risk of a crash causing injury and/or damage to property. Correction: Dealers will replace the vacuum pump with a new one.

What to do

Contact your dealer; the remedy details were not included in the filing.