DP: Although the Brake Booster and Brake Booster Pump Assemblies are covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is providing coverage for repairs related to certain internal malfunctions of the Brake Booster and Brake Booster Pump Assemblies in some of the subject vehicles.