Owners have reported 4 crashes, 1 fire and 3 injuries to NHTSA for the 2020 Toyota Tundra. These are unverified owner reports, not confirmed defect rates.
Owner complaints7
UNKNOWN OR OTHER
Owners of the 2020 Toyota Tundra report several issues under the unknown or other category. A frequent complaint involves the spontaneous explosion of the sunroof while driving, with glass sometimes entering the vehicle, though no injuries are mentioned. Another issue involves the pre-collision system failing to engage during a crash, as reported by one owner. Additionally, complaints highlight problems with the integrated brake controller, which intermittently malfunctions and affects trailer brake functionality. Some owners also describe a persistent "clunk" sound from the front driver's side, noticeable when starting the vehicle and driving at low speeds. These issues are reported across various mileage ranges, with some occurring shortly after purchase.
Severity signals: 1 crash, 0 fire, 0 injury reports
Owner complaints5
FUEL/PROPULSION SYSTEM
Owners of the 2020 Toyota Tundra report issues related to the fuel/propulsion system, with two primary failure patterns emerging. Firstly, multiple complaints describe difficulties with fueling the vehicle, where the pump shuts off prematurely or fuel spills out after refueling, potentially due to a defective overflow valve. Secondly, there are reports of the vehicle stalling or losing power at both high and low speeds, with warning lights activating and power returning after a brief coast. These issues have been noted in vehicles with as few as 2,000 miles, and some owners express concerns about safety, particularly when losing power in traffic or experiencing fuel spills.
Owner complaints4
ENGINE
Owners of the 2020 Toyota Tundra report two main issues related to the engine. First, multiple complaints describe an abnormal noise when the air conditioning is engaged, with some noting a sudden deceleration as if the brakes were applied. This issue has been present since the vehicle was new, but dealers reportedly cannot replicate it. Second, several owners mention starting difficulties in high temperatures, particularly above 110F, where the engine cranks but does not start, requiring a wait of up to 90 minutes before it will start again. These starting issues present safety concerns due to the potential for being stranded in extreme heat. The mileage at which these issues occur varies, with one report noting the problem as early as 8 miles.
Owner complaints3
SERVICE BRAKES
Owners of the 2020 Toyota Tundra report several issues related to the service brakes. One complaint involves a crash attributed to a slippery brake pedal pad made from PVC plastic, particularly problematic when wet. Another owner reports repeated failures of the brakes, rotors, and calipers, incurring significant repair costs despite the vehicle being brand new. Additionally, an owner describes an abnormal sound traced to the ABS actuator, though no definitive cause was identified. These issues occur at low mileages, with one vehicle having only 800 miles at the time of the report. Safety implications include a documented crash due to brake pedal slippage, highlighting potential risks for used car buyers.
Severity signals: 1 crash, 0 fire, 0 injury reports
Owner complaints3
STEERING
Owners of the 2020 Toyota Tundra frequently report issues with steering vibrations and alignment. Common symptoms include severe shaking of the steering wheel and vehicle at speeds ranging from 20 to 75 mph, with some reports indicating the problem worsens as the vehicle heats up. Complaints also mention persistent alignment issues, with vehicles drifting or pulling to one side, and in some cases, the steering wheel turning independently during braking. These issues are noted as early as 600 miles and persist despite dealer interventions such as tire balancing and alignments. Some owners express safety concerns, feeling that the vehicle's handling is unpredictable and potentially dangerous.
Owner complaints3
ELECTRICAL SYSTEM
Owners of the 2020 Toyota Tundra report issues related to the electrical system, particularly with the vehicle's SOS feature and battery. One complaint describes a malfunction where the SOS button sends incorrect VIN and location data, potentially leading to emergency assistance being dispatched to the wrong location, which could have safety implications. Another issue involves a recall for the electrical system, where parts are unavailable, causing delays in repairs. Additionally, an owner reports a dead battery that fails to charge, leaving the vehicle inoperable. These issues occur at varying mileages, with no specific pattern emerging regarding timelines.
Owner complaints2
POWER TRAIN
Owners of the 2020 Toyota Tundra report issues with the power train, specifically involving the four-wheel drive system and acceleration. One owner describes an inability to engage the four-wheel drive at low speeds, accompanied by a loud noise and difficulty turning, occurring at approximately 3,000 miles. Another owner reports a lack of proper acceleration response when pressing the gas pedal, suggesting possible issues with the accelerator or fuel pump. These symptoms do not appear to trigger warning lights and no safety incidents such as crashes or loss of control are mentioned. These reports may be useful for potential buyers considering the four-wheel drive and acceleration performance of this model.
Owner complaints2
SEATS
Owners of the 2020 Toyota Tundra report issues with the seats, specifically involving the heated seat function and headrest stability. One owner describes a fire originating from the front passenger seat's heater, which self-extinguished after causing burn damage, with no prior warning lights. Another owner mentions that the headrests slip out of place easily, potentially posing a risk of detachment during an accident, though this issue has not been verified by a service center. These complaints suggest potential safety concerns, particularly regarding the heated seat function leading to fire hazards and the headrest's ability to remain secure. No specific mileage or timeline patterns are evident from the complaints.
Severity signals: 0 crash, 1 fire, 0 injury reports
Owner complaints2
FORWARD COLLISION AVOIDANCE
Owners of the 2020 Toyota Tundra report issues with the forward collision avoidance system, primarily involving unexpected activation of the pre-collision warning and automatic braking. Complaints frequently mention incidents where the system alerts and applies brakes without apparent cause, sometimes at high speeds or during turns, almost leading to rear-end collisions. These issues are described at mileages as low as 2,550 and up to 25,000 miles. In one case, a warning light for "Pre-Collision System Failure" is illuminated alongside a check engine light, with no resolution after attempts to reset the system. Potential buyers should be aware of these reports, as they suggest possible safety implications due to sudden braking.
Owner complaints2
AIR BAGS
Owners of the 2020 Toyota Tundra report issues with air bags failing to deploy during crashes. In two separate incidents, the air bags did not activate upon frontal impacts, one involving a collision with a dump truck at 55 mph and another with the front right corner of the truck being struck. These incidents resulted in three injuries, including head and spine injuries. The complaints do not specify mileage, but the safety implications are significant given the non-deployment of air bags during high-impact collisions. This information is pertinent for potential buyers evaluating the safety performance of used 2020 Toyota Tundra models.
Severity signals: 2 crash, 0 fire, 3 injury reports
