The contact owns a 2013 Toyota Prius V. The contact stated that while driving approximately 65 MPH in stop-and-go traffic and applying the brake pedal to decrease in speed, the vehicle hesitated to decrease in speed. The contact had to apply an excessive amount of pressure for the vehicle to decrease in speed. The Slip indicator light, brake system failure, and anti-lock brake failure warning lights are illuminated. The vehicle was taken to a certified mechanic who informed the contact that code C1391 which showed on the diagnostic machine. The dealer stated the brake booster pump needed to be replaced. The mechanic informed the contact that the failure was related to the Customer Support Program 20TE07 with the NHTSA ID Number 10184564 (Service Brakes, Equipment, Equipment Adaptive/Mobility). The dealer was contacted and informed the contact that the warranty coverage was associated with the Customer Support Program. The vehicle had not been repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline to file a safety complaint. The failure mileage was 79,000.

- Los Angeles, CA, USA