2020 Toyota Tundra Reliability Report

Water leaks through the rear headliner and gets worse over time. One owner was quoted over one thousand dollars for the repair. Sunroof glass also shatters at freeway speed with a loud pop, with no nearby traffic or overpasses. The glass blows upward, and a closed sunshade catches the pieces. Similar reports appear under other categories, which makes sunroof breakage one of the more consistent complaints for this truck.

A slippery plastic brake pedal pad lets the driver's foot slide off while stopping. One crash in a 25 mph zone is blamed on it. The other reports are scattered. On one new truck the brakes, rotors, and calipers failed twice, at a cost of over $2400. Another truck makes an abnormal noise at low speed. A dealer traced that noise to the ABS actuator at 800 miles but did not repair it.

The front end and steering wheel shake hard, often between 55 and 75 mph and sometimes at low speeds too. Owners describe a rumble-strip feel from new, alignment that keeps drifting, and pulling to one side. Dealers balance and rotate the tires, realign the truck, or replace a shock, but the vibration comes back. One report puts onset at 600 miles. Others say it began within the first months of ownership.

The SOS emergency button can send the wrong VIN to the call center. The center then pulls up a different owner and location, in one case in another state. Toyota has confirmed this fault but has not resolved it. Another report involves recall campaign 21V688000 for exterior lighting, where the dealer did not have the repair part. One more complaint describes a dead battery that will not charge, which leaves the truck unable to start.

Four-wheel drive fails to engage. The truck makes a loud noise and will not turn, with no warning light, at about 3,000 miles. A second complaint describes weak response from the 5.7-liter V8, with the truck nearly stalling before it moves when the gas pedal is pressed. That symptom matches the loss-of-power reports filed under the fuel system.

A front passenger heated seat catches fire while the truck is parked and empty. The seat burns and melts before the fire goes out on its own, and no warning lights come on. There is only one report, but it is a fire. The other complaint covers headrests that slip out of position too easily, which the owner warns could fail to prevent whiplash in a crash.

Front air bags fail to deploy in frontal crashes. Both reports involve hard impacts, one at 55 mph while towing a trailer, and together they list 3 injuries. One driver describes head and spine injuries after being thrown into the mirror and windshield. The same report says automatic braking did not respond before the impact. The count is small, but both complaints involve real crashes.