2021 Toyota Tundra Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 24 verified NHTSA owner complaints, 3 federal safety recalls, and interquartile failure mileage telemetry.
The 2021 Toyota Tundra receives a 6.9/10 MazicBay Reliability Index based on 24 verified NHTSA federal complaints and 3 safety recalls. The primary reported failure mode is Electrical Parasitic Drain, Infotainment & Harness Reports with a median failure point at 55,000 miles (IQR: 35,000 – 75,000 mi). Out-of-warranty repairs benchmark at $280 – $850 .
2 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
3 Active / Free Remedies
Top Reported Problem Clusters (7)
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“The TPMS display went thermal. It blew smoke out of the unit that is mounted to the drivers side front windshield. We were able to disconnect USB power to the device and roll the windows down to ventilate the cabin and ultimately remove the device from the windshield and isola...”
“When I turn the key to crank my radio doesn’t come on , A/C won’t blow and I have to jiggle the keys or restart it to end the issue. My husband has witnessed thi happen many times. Scared I might have an electrical issue. Contact me back for assistance to me for this issue ple...”
“The software in the combination meter's electronic control Instrument Panel LCD display frequently goes blank I have taken my vehicle at least 5 times since I bought it 18 months ago as a new vehicle and it is yet to be remedied. This is the same issue that the 2022 Thundra ha...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“The power steering failed at around 38,000 miles. The dealership indicated the entire assembly needs to be replaced which cost more than $6,000. This is apparently a known manufacturing issue as they recalled a significant portion of the vehicles made in 2021.”
“I've taken my truck in 3 times for a problem with the driver seat having excessive play. Whenever I stop at a light or pull off the seat rocks back and forth. Each time I've taken it in to the dealership they tell me that it is a seat track issue and that if I raise my seat th...”
“The contact owns a 2021 Toyota Tundra. The contact received notification of NHTSA Campaign Number: 21V920000 (Steering) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reas...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“Were were driving, my 2021 Toyota Tundra, just stopped running. No check engine lights had come on until the engine stalled as we coasted to a stop on the side of the road. We had it towed to the Central Maine Motor in Waterville, Maine 04901. Central Maine Motor -Toyota servi...”
“The seat has been loose since I first purchased the truck, first time at the dealer they said it was the cushion which it wasn’t and they ordered part and it didn’t fix the situation. The next oil change I took it in and they said it was the frame, bottom of seat, and they ord...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The contact owns a 2021 Toyota Tundra. The contact stated that while driving at an undisclosed speed, the vehicle briefly hesitated and jolted, prompting the contact to discontinue driving the vehicle. The transmission warning light was illuminated. The vehicle was taken to th...”
“The seats shifts back and forth when brakes applied or hit the accelerator pedal. I’ve taken to two different dealers n made complaints but not results or repairs have been made.”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“Were were driving, my 2021 Toyota Tundra, just stopped running. No check engine lights had come on until the engine stalled as we coasted to a stop on the side of the road. We had it towed to the Central Maine Motor in Waterville, Maine 04901. Central Maine Motor -Toyota servi...”
“The contact owns a 2021 Toyota Tundra. The contact stated that after inserting the fuel nozzle into the vehicle, fuel spilled back out of the vehicle onto the leg of the contact. The vehicle was taken to the local dealer who was unable to duplicate or determine the cause of th...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“The seats shifts back and forth when brakes applied or hit the accelerator pedal. I’ve taken to two different dealers n made complaints but not results or repairs have been made.”
“The contact owns a 2021 Toyota Tundra. The contact stated while driving at various speeds using adaptive cruise control mode, the rear brake lights failed to illuminate whenever the vehicle slowed down independently. The dealer was not notified of the failure. The vehicle was ...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“Airbag , it was bad accident on freeway , but my car airbag did not work.car did not inspect with dealer , they were not any waring sign”
Official NHTSA Safety Recalls (3)
EXTERIOR LIGHTING:HEADLIGHTS
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2021 Tundra vehicles. The headlight electrical circuits may power the high and low beams simultaneously, which could overheat the electrical connector.
STEERING:HYDRAULIC POWER ASSIST SYSTEM
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2008-2022 Sequoia and 2007-2021 Tundra vehicles. The power steering gear assembly may have been manufactured incorrectly, which can result in an oil leak.
STEERING:HYDRAULIC POWER ASSIST SYSTEM
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain JTEKT power steering gear assembly service parts for 2007-2021 Tundra and 2008-2022 Sequoia, part numbers 44250-0C160, 44250-0C131, 44250-0C170, and 11250-0C121. The power steering gear assembly may have been manufactured incorrectly, which can result in an oil leak.
Pre-Purchase Inspection Checklist for 2021 Toyota Tundra
Before purchasing a used 2021 Toyota Tundra, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 3 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2021 Toyota Tundra
Is the 2021 Toyota Tundra a reliable used car?
The 2021 Toyota Tundra earns a 6.9/10 MazicBay Reliability Index based on 24 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2021 Toyota Tundra?
The leading complaint category is Electrical Parasitic Drain, Infotainment & Harness Reports, with a median failure point around 55,000 miles (IQR: 35,000 – 75,000 mi).
Are there free recall repairs available for the 2021 Toyota Tundra?
Yes, the NHTSA records 3 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.