2018 Toyota Tundra Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 99 verified NHTSA owner complaints, 9 federal safety recalls, and interquartile failure mileage telemetry.
The 2018 Toyota Tundra receives a 5.5/10 MazicBay Reliability Index based on 99 verified NHTSA federal complaints and 9 safety recalls. The primary reported failure mode is Service Brakes, ABS Actuator & Master Cylinder Reports with a median failure point at 14,000 miles (IQR: 8,250 – 45,450 mi). Out-of-warranty repairs benchmark at $350 – $1,100 .
8.3 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
9 Active / Free Remedies
Top Reported Problem Clusters (7)
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“The upper grille and hood trim assembly on my 2018 Toyota Tundra 1794 Edition failed and partially detached from the vehicle due to apparent mounting clip and retainer failure. The failed component is available for inspection upon request. Photographs of the damage and detache...”
“Vehicle occasionally stalls on acceleration and deceleration. Occasional stall on idle. Check engine light DOES NOT ILLUMINATE. After several stalls; warning lights for trainer brake controller, forward anti-collision, and cruise control errors illuminate. Diagnosed as bad fue...”
“This case results from the malfunctioning trailer brake ECU on 2018-2019 Tundras. There is a Toyota service bulletin T-SB-0036-19, which specifies an updated controller to replace the defective model. Part # : Original 89547-0C020 Update/replacement 89547-0C060 Toyota will not...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“When starting up my truck in the morning there is rough idle that cause truck to sputter and sound horrible. It eventually smooths out but I believe the computer needs flashing. When I look online some have a recall for the engine 3UR-FBE / 2018 Toyota tundra, but when I put i...”
“I had an independent service center diagnose the issue with my 2018 Toyota Tundra. My truck would not start so there was no safety concern, but if the fuel pump failed while driving then the safety concern rises. The electrical connection inside the fuel pump was melted. There...”
“FUEL PUMP. I was driving at highway speeds of about 70mph when I suddenly lost propulsion but the truck was still running. I had cars behind me and coming from the front. I shifted to neutral and back to drive to see if that would fix it and nothing changed. I pulled over onto...”
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
“Sometimes the engine will randomly turn off while driving and become hard to restart like it’s not getting fuel.”
“When starting up my truck in the morning there is rough idle that cause truck to sputter and sound horrible. It eventually smooths out but I believe the computer needs flashing. When I look online some have a recall for the engine 3UR-FBE / 2018 Toyota tundra, but when I put i...”
“The contact owns a 2018 Toyota Tundra. The contact stated that while her husband attempted to start the vehicle, the engine failed to turn over. The contact stated that there was no warning light illuminated. The contact stated that the vehicle was towed to a local dealer. The...”
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
“The vehicle was having issues with the fuel pump which was a known safety recall for the 2018 Toyota Tundra vehicles. The service man said that when he pulled up the safety recall for our VIN number that it didn't show anything, but we needed a new fuel pump according to the s...”
“I had an independent service center diagnose the issue with my 2018 Toyota Tundra. My truck would not start so there was no safety concern, but if the fuel pump failed while driving then the safety concern rises. The electrical connection inside the fuel pump was melted. There...”
“The contact owns a 2018 Toyota Tundra. The contact stated that while her husband attempted to start the vehicle, the engine failed to turn over. The contact stated that there was no warning light illuminated. The contact stated that the vehicle was towed to a local dealer. The...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“FUEL PUMP. I was driving at highway speeds of about 70mph when I suddenly lost propulsion but the truck was still running. I had cars behind me and coming from the front. I shifted to neutral and back to drive to see if that would fix it and nothing changed. I pulled over onto...”
“I was inspecting the vehicle for an extended warranty company the issue was the transmission. I was in the process of inspecting the vehicle when I was installing the Blue Diver to retrieve the stored codes in the system when I leaned in to turned the accessory key the vehicle...”
“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...”
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
“3 of 4 tires LT285/75/R20 have consistant cracks around the sidewall of the tires rubber showing small shining metal strips”
“The contact owns a 2018 Toyota Tundra. The contact stated while making a turn she heard a squeaking sound coming from the steering wheel. The vehicle was taken to the dealer for diagnostic testing. The contact was informed that the steering column needed to be replaced; howeve...”
“I had the same issue as in recall 21TH01. Had to have my Rack and Pinion replaced June 2022. Although my steering rack was not one of the "affected" units, I have seen another 2018 had to have its rack replaced one month before I had mine replaced. This is a major safety issue...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“Vehicle never been crash or hit by other car, but is showing problem with the air bag system”
“Was rear ended while at a stop in traffic. Was pushed into another truck in the front and ricochet back and was hit again by the car that hit me. After everyone came to a stop my dashboard information center stated the SRS Airbag System Malfunction Visit Your Dealer. My truck ...”
“The contact owned a 2018 Toyota Tundra. The contact stated that while her husband was driving approximately 65mph, he was involved in a head-on collision with an unknown vehicle. The driver sustained non-life-threatening injuries and was provided medical attention. The occupan...”
Official NHTSA Safety Recalls (9)
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.
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.
EXTERIOR LIGHTING:TURN SIGNAL
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2020 Toyota Tundra vehicles equipped with LED headlight assemblies. Due to a wiring error, the front turn signals may not flash brightly enough. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
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.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Summary: Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS 300, LC 500, LS 500, LX 570, RX 350L, and 2019 Toyota Avalon and Corolla, and certain Lexus NX 300, and ES 350 vehicles on January 13, 2020. On March 4, 2020, Toyota expanded the recall to include certain 2014-2015 Toyota 4Runner and Land Cruiser, 2018 Avalon, Corolla, 2014 FJ Cruiser, 2017 Sienna and Lexus 2018 ES 350, 2018-2019 GS 300, 2013-2014 GS350, 2014-2015 GX 460, IS 350 and LX 570, 2014 IS F, 2018-2019 IS 350, LC 500H and LS 500H, 2013-2015 LS 460, 2015 NX 200T and RC350, 2017 RC 200T and RX 350. Toyota also removed the 2018-2019 Toyota 4Runner and Land Cruiser and 2018-2019 Lexus GX 460 and LX 570 and 2019 NX300 from inclusion in this recall. On March 19, 2020, Toyota expanded the recall to include 2015 Lexus GS350 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
ELECTRICAL SYSTEM:SOFTWARE
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 Toyota Tundra and Sequoia vehicles and 2019 Toyota Avalon and Avalon Hybrid vehicles. The air bag electronic control unit (ECU) may erroneously detect a fault during the vehicle start-up self check. If this occurs, the ECU may not deploy the airbags as intended, in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection," and 214, "Side Impact Protection."
EQUIPMENT:OTHER:LABELS
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 Toyota Tundra vehicles. The accessory all-weather floormats may have been counted twice when creating the load carrying capacity modification label, resulting in the capacity modification label incorrectly overstating the additional weight by 10 pounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 110, "Tire Selection and Rims."
EQUIPMENT:OTHER:LABELS
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2017-2018 Toyota 4Runner and Tundra, 2018 Toyota Highlander, RAV4 and Lexus GX460 and 2017 Toyota Sienna and Tacoma vehicles. These vehicles may have incorrect load carrying capacity modification labels. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 110, "Tire Selection and Rims."
ELECTRONIC STABILITY CONTROL (ESC)
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018 Toyota Tundra and Sequoia vehicles. Electrical interference within the power supply circuit may cause the vehicle's electronic stability control system to be deactivated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 126, "Electronic Stability Control Systems."
Pre-Purchase Inspection Checklist for 2018 Toyota Tundra
Before purchasing a used 2018 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 9 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: 2018 Toyota Tundra
Is the 2018 Toyota Tundra a reliable used car?
The 2018 Toyota Tundra earns a 5.5/10 MazicBay Reliability Index based on 99 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 2018 Toyota Tundra?
The leading complaint category is Service Brakes, ABS Actuator & Master Cylinder Reports, with a median failure point around 14,000 miles (IQR: 8,250 – 45,450 mi).
Are there free recall repairs available for the 2018 Toyota Tundra?
Yes, the NHTSA records 9 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.