2018 Toyota Tundra: false forward collision warnings

Filed Jul 12, 2022 · Acceleration, Driver assistance · KS

All of a sudden the pre-collision system malfunctions and stops working and the lights go on in the dashboard and then causes the cruse control to stop working as well. I took it to Toyota and they stated they did not know what the cause of it would be.

Filed Mar 21, 2022 · Driver assistance, Electrical · NY

While driving, multiple warning lights come on and multiple warnings scroll on the dash. Transmission shifting becomes irregular, hard, slipping, pre-collision alert fails, adaptive cruise control fails, ABS system deactivates. I know of this occurring on multiple other Toyota vehicles as well. This has happened three times and only resolves when battery is disconnected. Weeks or months goes by and it recurs.

Filed Mar 14, 2019 · Acceleration, Electrical · 12,500 miles · OR

Collision avoidance system engaged randomly with no known cause at location traveled on a frequent basis. At between 40-45mph on a sunny day at temperature in upper 60's and a location that I travel multiple times a week, the collision avoidance system engaged on the dash board. There were no cars, guard rails, trees or other major metal objects on or near the road at the time of the incident. Toyota service mgr indicates that there was no data logging of the event and technician was unable to reproduce; indicates that without 'evidance', they cannot make a repair. However, the evidence of intermittent sensor or computer failures is not always available if proper data logging equipment is not installed in the system. Previously, the collision avoidance system had been engaged by an oncoming bus in the adjacent lane (normal daily driving condition, no expectation of collision) at 30mph. Parking collision sensor (left front) was also triggered in minor snowfall at low speed in a parking lot. Vehicle was purchased new from dealer 12/2017 and had all scheduled services.

Filed Dec 2, 2018 · 1,000 miles · IL

The precollision warnig system keeps malfunctioning for no reason. I have them replace 3 sensors, windshield camera and full safety harnesses already. Hundreds f others have this issue. Even the regional tech for toyota has given up and told me to call toyota corporate. But corporate says it doesn't effect the safety of the vehicle. The system doesn't work when it's malfunctioning, meaning someone will get hit without the safety system engaging. Happens all the time sunny day, raining, hot or cold. Been happening since june in first 1000 miles of ownership

Filed Nov 14, 2018 · Brakes · FL

Pre-collision system warning and "brake" warning light keeps coming on and warning me for no reason, toyota have repealed the sensor 3 times so far and the system keeps failing, my biggest concern is the vehviae will start braking for no reason and end up getting rear ended by another vehicle. This been happing since we bought the truck, pictures shows all warning over the last 14000 miles.

Filed Oct 21, 2018 · Acceleration · 12,000 miles · IN

The avoidance collision radar can be intermittent. Sometime, it detects the vehicle in front of me, then stop working and my truck will accelerate towards the vehicle in front of me. At other time, the warning light will come on, saying the sensor needs to be cleaned, even though the windshield is spotless and drop my truck out of cruise control, causing a quick de-acceleration. I was in front of a semi-truck going at highway speed when this happened and the semi-truck came close to hitting me in the rear end. I've had this into my toyota dealer and they told me that the vehicle software does not record when the collision avoidance system isn't working. I consider this problem to be extremely dangerous and have avoided using my cruise control most of the time.

Filed Aug 9, 2018 · Acceleration, Driver assistance · 1,500 miles · VA

Tl* the contact owns a 2018 toyota tundra. While driving various speeds with the cruise control engaged, the pre-collision system malfunction warning indicator illuminated. The contact stated that the warning indicator remained illuminated even after the cruise control was disabled. The vehicle was not taken to a dealer to be diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 1,500.

Filed May 21, 2018 · Acceleration, Brakes · 4,800 miles · NM

Pre-collision sensors. Pre-collision sensor has gone off twice advising me to brake. Both times there was no other vehicle around me nor was there anything to the sides or in front. Took it to the local dealership and they called toyota corporate (?). Was advised there's no fix and to continue driving the vehicle and annotate all factors surrounding my vehicle if it goes off again. Seems like an extremely unsafe alternative to finding out why a pre-collision sensor goes off. I should not feel unsafe driving my vehicle

Filed Apr 2, 2018 · Driver assistance · 3,000 miles · AZ

Tl* the contact owns a 2018 toyota tundra. The contact stated that the pre-collision system would independently function without a vehicle in front of him. Also, the pre-collision warning indicator illuminated. Avondale toyota (1005 w papago fwy, avondale, az) was contacted, but the failure could not be replicated. The contact received notification of the federal safety agency campaign number: 18v122000 (electronic stability control). The dealer stated that the parts to do the repair were unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. Avondale toyota was contacted again and refused to repair the vehicle due to its age. The manufacturer was notified. The failure mileage was approximately 3,000. Parts distribution disconnect.

Filed Mar 22, 2018 · Acceleration · 700 miles · NJ

The pcs "pre-collision system" shuts off all the time! When cruise control is on and is supposed to slow down by itself when there's another car in front of you actually accelerates my vehicle that can create a severe accident by crashing into the vehicle in front of me! The system is designed on the radar base system that is supposed to slow down the vehicle to avoid an accident and it actually speeds it up which can cause a fatality!

Filed Mar 15, 2018 · Acceleration, Brakes · 7,000 miles · TN

The pre collision warning light illuminates a various times. The cruise control will not work when illuminated. The sensor has been kept clean. It does not give a failure code at the dealer. It was reprogramed. The pre collision braking was a major feature in my buying process and it does not work correctly.

Filed Feb 25, 2018 · Acceleration, Brakes · 2,500 miles · CA

Multiple events. 2500 miles on vehicle. While driving 70mph in cruise control the pre-collision warning came on and vehicle applied brakes forcefully without any vehicle ahead of my vehicle until I turned off cruise control. After the event the traler brake malfunction statement and warning lights were on. Pre -collision failure light reset after key cycled off and back on. Failure occurred multiple times in multiple driving conditions, currently trailer brake failure light is illuminated. Each time I had to exit or pull over and stop vehicle, cycle key to have warning clear.