2015 Toyota Avalon Hybrid problems

“While driving the pre-collision system (PCS) turns on unexpectedly, without any warning lights or sounds, and applies the brakes. This happens when I am driving in traffic with plenty of space between the car in front of me. I typically drive between 3-6 seconds behind the car in front of me to allow for at least 300 feet in space when driving at highway speeds. Despite leaving plenty of room for cars in front of me, on multiple occasions the car has started braking abruptly while going anywhere between 50, 40, 30, or 20 miles per hour. This can be verified for inspection upon request. Despite there being a recall for my specific year, make, and model car (2015 Toyota Avalon) for this exact issue my VIN number is not covered. Toyota is requiring me to pay out of pocket for them to 1) determine if its malfunctioning and 2) replace the system, which is a huge conflict of interest. Even though the Driver's Manual says that I can disable the PCS by clicking on the PCS on/off button within the driver's glovebox, there is no such button, only a blank button cover. Not having the ability to disable the PCS system, or worse, allowing it to continue braking while I'm…”

“05/04/2025 First of all, we love our Avalon. However, for the last 6 months or so, water is getting in the car and ends up soaking the carpet on the left front floorboard carpet. We have checked everything we can think of to find the source of the leak but was uneasily. We had to have some scratches fixed and took the car to a body shop to see if they could find the source of the leak. They sprayed water on the sunroof for about an hour but no water leaked inside. We have also taken the car to the local Toyota Dealership (Sheehy Toyota in the Fredericksburg area, they could not find the source of the leak. It rained here (Fredericksburg, VA last night and the left front floorboard was soaked. I need help finding the source of the leak(s) so we can continue enjoying our Avalon. Any help would be appreciated. Thank you, [XXX] [XXX] Phone number [XXX] (cell phone)”

“The contact owns a 2015 Toyota Avalon. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop immediately and made an abnormal sound. Additionally, the air bag warning light was illuminated. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 39,000.”

“The contact owns a 2015 Toyota Avalon. The contact stated while pulling into a parking space, the vehicle accelerated unintendedly, drove over the curb, and crashed into bushes. The air bags did not deploy. The contact did not sustain any injuries. There was no police report filed. The contact was able to drive the vehicle to the residence. The vehicle was then taken to the dealer, where she informed that the VIN was not included in a recall related to the failure. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 109,400.”

“TL* THE CONTACT OWNS A 2015 TOYOTA AVALON HYBRID. THE CONTACT STATED THAT THERE WAS AN ELECTRICAL MALFUNCTION IN THE VEHICLE, WHICH SHORTED OUT THE DISPLAY PANEL WITHOUT WARNING. THE DEALER (DON MCGILL TOYOTA, 11800 KATY FWY HOUSTON, TX 77079, (281) 496-2000) WAS NOTIFIED AND AN APPOINTMENT WAS SCHEDULED TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND HAD NOT ISSUED A RECALL CAMPAIGN. THE FAILURE MILEAGE WAS NOT AVAILABLE.”

“TL* THE CONTACT OWN A 2015 TOYOTA AVALON. THE CONTACT STATED WHILE DRIVING 30 MPH, THE HYBRID ENGINE ON THE VEHICLE SWITCHED FROM ELECTRIC TO GASOLINE OPERATION WHICH CAUSE A FASTER ACCELERATION AND JERKING MOTION. THE CONTACT STATED THAT THE FAILURE SHOULD NOT HAVE OCCURRED. THE CONTACT HAD THE VEHICLE TOWED TO FITZGERALD TOYOTA GAITHERSBURG (907 N FREDERICK AVE, GAITHERSBURG, MD 20879) WHO INSPECTED THE VEHICLE AND FOUND NO FAILURE WITH VEHICLE. THE DEALER STATED THAT THE VEHICLE OPERATED AS DESIGNED. THE CONTACT NOTIFIED THE MANUFACTURER OF THE FAILURE. THE MANUFACTURER HAD A THIRD-PARTY INVESTIGATOR INSPECT THE VEHICLE AND IDENTIFIED THE ACCELERATION AND JERKING IN THE VEHICLE WHEN SWITCHING TO ENGINE FROM ELECTRIC TO GASOLINE HOWEVER, THE INVESTIGATOR STATED THAT THE VEHICLE WAS SAFE TO DRIVE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 89,696.”