2020 TOYOTA PRIUS PRIME

ELECTRONIC STABILITY CONTROL (ESC)

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2019 Lexus LS500, LC500, ES300h, UX250h, LS500h, Toyota Prius, RAV4 HV, 2019-2020 Toyota Prius Prime, and 2020 Corolla HV vehicles. The brake booster pump may fail causing a deactivation of the Vehicle Stability Control system and a loss of braking assist. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 126, "Electronic Stability Control Systems."

Risk: Deactivation of the vehicle stability control system or a loss of braking assist increases the risk of a crash.

SERVICE BRAKES, HYDRAULIC

The contact owns a 2020 Toyota Prius Prime. The contact stated while driving at approximately 40 MPH, the brake pedal was depressed while making a left turn onto another road, but the vehicle failed to slow down. The contact stated that the brake pedal was vibrating, and the vehicle felt like it was skidding on ice. The contact stated the vehicle maintained the position in lane but was not slowing down as intended. The contact stated no warning light was illuminated. The contact had not taken the vehicle to a local dealer or independent mechanic. The vehicle was not diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 67,000.