Engine And Engine Cooling Problems of Toyota Tundra - part 1

I am the original owner of a 2024 Toyota Tundra limited nightshade equipped with the 3. 4l twin-turbo v6 engine, purchased brand-new from kerry Toyota in florence, kentucky, in July 2024. The vehicle is titled and registered in indiana. At approximately 33,000 miles, my truck experienced an unexpected engine shutdown while driving highway speeds. I brought it to an authorized Toyota dealership- kerry Toyota, florence kentucky for inspection, but was informed that no issues were found after they had the truck for weeks. Now, at approximately 41,000 miles, my truck has experienced another engine shutdown while traveling approximately 50 mph. After sitting for about 10 minutes, the engine restarted slowly and began making a knocking noise. The truck is currently at a Toyota dealership- kerry Toyota awaiting inspection. I am extremely concerned about the safety of this vehicle, particularly because I previously reported a similar shutdown and the underlying issue was not identified or resolved.

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My 2022 Toyota Tundra was part of an engine replacement recall. The original engine was replaced oct 3 2025 at around 38,200 miles. The replacement engine broke down while driving on the street (could have happened on the freeway) on October 10 2026 at around 50k miles. Im waiting on how Toyota will solve this problem.

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The contact owns a 2024 Toyota Tundra. The contact received notification of NHTSA campaign number: 25v767000 (engine and engine cooling); 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 reasonable amount of time for the recall repair. The manufacturer was contacted by phone and made aware of the failure.

While driving, engine seized. Truck only has 33,700 miles and has been maintained regularly.

While driving with out any warning engine started to shake really bad then shut down.

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The contact owns a 2022 Toyota Tundra. The contact stated that the vehicle was taken to a local dealer for maintenance, where it was discovered that the vehicle had an oil pressure failure. The local dealer associated the failure with NHTSA campaign number: 24v381000 (engine and engine cooling). The vehicle was previously repaired under the recall at another dealer. The local dealer advised the contact to contact the original servicing dealer about the failure. The original servicing dealer was contacted but stated that any additional repair would be out of pocket. The failure mileage was approximately 37,049.

The contact owns a 2024 Toyota Tundra. The contact received notification of NHTSA campaign numbers: 26v320000 (engine and engine cooling) and 25v322000 (exterior lighting); however, the part to do the recall repair was not yet available. The local dealer was contacted and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was approximately 14,900.

What component or system failed or malfunctioned, and is it available for inspection upon request? the electronic throttle control system (drive-by-wire) and transmission control module (tcm) calibration. When accelerating from rolling stops or yields (0–10 mph), the vehicle experiences a severe dead-pedal delay with zero engine or transmission response for 1. 5 to 2. 5 seconds before surging forward. The unmodified vehicle is fully available for inspection. How was your safety or the safety of others put at risk? the failure creates an immediate crash hazard during left turns across traffic, entering roundabouts, and yielding into highway merges. Pressing the accelerator to merge into traffic produces no acceleration, leaving the truck stranded across active travel lanes. Approaching cross-traffic must brake aggressively to prevent broadside/t-bone collisions. The unpredictable delay followed by an abrupt power surge severely impairs low-speed vehicle control. Has the problem been reproduced or confirmed by a dealer or independent service center? yes. An authorized Toyota dealership service department test-drove the vehicle and confirmed the low-speed hesitation/dead pedal. The dealer stated no fix or calibration exists for this model year because the vehicle has the latest factory tcm software (prior tsbs do not apply) and designated it an "inherent operational characteristic. " has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? yes, inspected and diagnostic-scanned by certified technicians at an authorized Toyota dealer. No dtc codes were stored; the failure is in the factory throttle logic and transmission management calibration. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? no warning lamps, dash alerts, or trouble codes appeared. The symptom presented immediately at initial delivery and recurs consistently in all modes.

When driving on the freeway at 70mph speeds during rush hour, I lost all power to the vehicle causing me to have to immediately pull to the side of the freeway with minimal control of the vehicle. I had to come to a complete stop on the freeway putting myself and others at high risk for a high speed crash. There were no warning lamps just a full system failure. There are recalls on certain VIN numbers for the denso low pressure fuel pump and a class action lawsuit settlement that resulted in customer support program 23te05 but when I called Toyota they said my VIN did not qualify.

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The vehicle is a 2018 Toyota Tundra and failed state inspection at an authorized dealership due to the power steering rack and pinion assemble leaking at both ends. This is the same failure described in Toyota recall 21v920000, but Toyota claims my VIN is not covered. This is a severe safety issue occuring preamturley at 54,000 miiles.

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On Saturday, xxx, while driving on [xxx] toward [xxx], our 2024 Toyota Tundra (VIN: [xxx]) lost power and stalled at highway speeds with the warning: "ignition on / engine off – stop in a safe place. " I made an emergency lane change with 6 vehicles trailing closely. After smoke expelled during restart attempts, Toyota roadside towed the truck to goldsboro Toyota at 5:15 pm. On Monday,xxx, goldsboro Toyota exhibited negligent, misleading treatment. A receptionist falsely claimed they "ordered a new engine" for the recall and refused to release the truck to midlands Toyota near our home in [xxx]. Despite written instructions on the intake form, we waited 7 hours with no update. On Friday, xxx, Toyota corporate contradicted the dealer, confirming no technical remedy or engine currently exists for active federal safety recall 25ta14 (NHTSA [xxx]). This catastrophic engine failure created an extreme safety hazard that severely triggered my wife’s diagnosed adhd and depression (eggshell plaintiff doctrine). The dealer’s refusal to release our truck also disrupted my work during a critical corporate shareholder transition. Under the federal magnuson-moss warranty act and state breach of warranty laws, we demand a full manufacturer repurchase (buyback): 1. Full payoff of our remaining loan balance to our lender. 2. Complete refund of all out-of-pocket payments: down payment, all $824 monthly payments, sales taxes, and county fees. 3. Full reimbursement for direct expenses and tax penalties. 4. Non-economic cash settlement for severe hardship, safety risks, and aggravated emotional distress. 5. 100% coverage of all statutory attorney’s fees as required by law. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

The contact owns a 2023 Toyota Tundra. The contact received notification of NHTSA campaign number: 25v767000 (engine and engine cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted by phone and was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experience a failure.

2023 Toyota Tundra. On July 20, 2026 and again on September 18, 2026, while driving, the truck suddenly lost power and went into limp mode. The dash showed 'check engine / reduced engine power / visit your dealer' at about 43,440 miles. The truck had to be towed to the dealer on a flatbed. Losing power without warning in traffic is a serious safety risk. Other ongoing problems: the brakes squeaked for over a year before they were fixed, the driver seat bolster plastic is broken (this would be the third repair), the radio volume knob has failed, and there is excessive wind noise. This VIN still shows open recall 25v767 (engine machining debris causing loss of motive power), which has not been performed despite two dealer visits for this exact failure.

The contact owns a 2023 Toyota Tundra. The contact stated that while driving 65 mph, the vehicle stalled with an audible beeping sound. The engine symbol with an exclamation mark was illuminated for approximately 2 seconds. The message "engine stopping - get to safe side of road" was immediately displayed on the instrument panel. The contact received notification of NHTSA campaign number: 25v767000 (engine and engine cooling) and associated the failure with the recall; however, the part to do the recall repair was not yet available. The vehicle was towed to the local dealer. The diagnostic result was inconclusive. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was contacted by phone and made aware of the failure. The failure mileage was approximately 45,000.

My 2026 Toyota Tundra trd pro developed a sudden, loud knocking noise from the engine at approximately 15,000 miles while I was driving. The engine began running very rough, the vehicle started shaking, and the engine was losing power as I pulled over. The knocking was most noticeable at low rpm and followed engine rpm. There were no warning lights or warning messages before the problem occurred. I was able to safely pull the vehicle off the road, but the sudden loss of engine power and severe shaking created a safety concern. If the failure had occurred in heavier traffic or at highway speed, the loss of propulsion could have created a significant risk to me, my passengers, and other motorists. I stopped driving the vehicle because I was concerned about a complete engine failure. The vehicle was taken to an authorized Toyota dealership and is currently available for inspection. The dealer has confirmed the abnormal engine noise, but as of the date of this complaint the engine has not yet been disassembled and the exact internal cause of the failure is unknown. The vehicle has approximately 15,000 miles and is covered by the manufacturer's warranty. I am filing this complaint because the engine problem occurred suddenly at very low mileage and resulted in severe shaking and loss of engine power while driving. I am concerned that this condition could result in a complete loss of propulsion. I will provide additional information when Toyota completes its diagnosis.

The contact owns a 2023 Toyota Tundra. The contact received notification of NHTSA campaign number: 25v767000 (engine and engine cooling); however, the part to do the recall repair was not yet available. The vehicle was taken to the local dealer for the recall repair and was diagnosed with engine failure. In addition, the contact stated that the local dealer had not released the vehicle and the vehicle remained at the local dealer. The manufacturer was made aware of the failure. The failure mileage was approximately 39,660.

When I was driving the engine failed . I have a 2024 hybrid, they are fixing the engine and parts but my frustration is 2024 gas Tundra had a recall on the engine and they got a whole new engine with extra warranty , and I'm the first hybrid to have engine fail and since they haven't put a recall out I only get 1 year warranty and they are just replacing the parts not the whole engine . I'm concerned it can happen again past the one year warranty . They need to put out a recall on the hybrids too.

This is a follow-up to my NHTSA complaint tracking #11742382, filed June 5, 2026, before my recall repair. I'm filing again because the repair is now complete and it has raised two new concerns: undocumented warranty coverage on the replacement engine, and an unresolved question about whether a second, broader recall applies to that replacement engine. 1. Recall repair completed. Under NHTSA campaign 24v381000 (Toyota internal 24ta07, filed 2024-05-30), my original engine was replaced with a new oem assembly (part 04004-23370, serial [xxx], 2026 manufacture date, incorporating the post-April-2024 revised bearing design) at teton Toyota, idaho falls, id, June 19 to 22, 2026 (repair order [xxx], mileage in/out 28,252/28,281). Toyota's own recall record states the replacement unit was inspected clean. I have no reason to doubt that specific finding; my concern is what happens after. 2. Replacement engine's warranty terms were left undocumented. The repair order lists the warranty "policy number" covering the new engine as tbd. As of this filing, Toyota national (1-800-331-4331) has not given me a written answer to a direct question: does the replacement engine carry a new 5-year/60,000-mile powertrain warranty starting from the June 22, 2026 install date, or only the remainder of my original factory warranty? a safety recall remedy that leaves the owner without documented knowledge of what protection they actually received is, in my view, an incomplete remedy under 49 cfr part 573's recordkeeping and notification requirements. Owners should not have to chase this down themselves months after the repair. 3. A second, broader recall may or may not apply to my replacement engine, and Toyota has not said which. Nhtsa campaign 25v767000 (Toyota internal 25ta14, filed 2025-11-06) expands the same underlying defect population to additional 2022-2024 Tundra, Lexus lx, and 2024 Lexus GX vehicles, with a remedy of inspecting the #1 main bearing via inspection software and information redacted pursuant to the freedom of I.

* 2024 Toyota Tundra limited non hybrid trd off road with 43k miles with catastrophic engine failure with no warning. Started as a very slight ticking sound while doing about 60 mph level to slightly downhill. * I could only hear it with very light throttle input (between 2 and 5%). Past 5% and at 0 pedal there was nothing. This went on for about 1 minute then it started to get significantly louder and more noticeable with throttle input and while starting to go uphill. * shortly after it started catastrophically knocking with dash saying loss of power and oil pressure. * I get it stopped and it immediately shut down on its own. Due to very little warning I was forced to pull over on a right curve of a highway potentially putting my family and as well as passing traffic in danger. * engine leaking oil. Couldn’t find anything obvious where the oil was coming from. After doing some research it seems like the front and main crank seals started leaking. More noticeable on the rear seal. This was a dangerous situation because oil was leaking on the hot exhaust and could have cased a fire on the side of a highway. * the Toyota dealer has possession of the vehicle for repairs. They have not stated if it is possible to be available for inspection. * the dealer has inspected the vehicle and is in the process of ordering a replacement engine.

Engine stalls or hesitates when taking off from a stop. When taking off from a stop the truck will hesitate after the accelerator is pushed and not move forward. This hesitation causes me to push the accelerator more trying to get the truck to move. When the truck does move it then lunges forward I assume because I continue to push the accelerator more trying to get the truck to move. The engine in this truck is also being recalled in non hybrid models because they are seizing up. This is the exact same engine in the hybrid and should be under the same recall for the engine seize defect.

Mutplie times am have a delay on the accrelations have taken it to the dealer to be told thats just how the hybirds are this can cause a crash there should not be a delay when trying to speed up.

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I am filing this complaint regarding my Toyota Tundra and Toyota safety recall 24ta07. My vehicle was previously affected by this engine recall, and Toyota replaced the engine as the recall remedy. The replacement engine has now failed with the same or substantially similar engine issue that resulted in the original recall and engine replacement. I am very concerned that a replacement engine installed as the remedy for a safety recall has experienced the same type of failure. This vehicle has now experienced engine failure involving two separate engines: the original recalled engine and the replacement engine installed by Toyota under recall 24ta07. The vehicle is at the Toyota dealer. I am requesting that NHTSA investigate whether replacement engines being installed under this recall may also be susceptible to the same or a similar defect. I would also like this complaint documented because I am concerned about the safety and reliability of the vehicle and whether Toyota's recall remedy adequately corrected the original safety issue. I am requesting that Toyota provide a permanent remedy for my vehicle at no cost to me. I would also like information regarding my rights and available remedies given that the engine replaced under the safety recall has now failed, including whether this repeat failure may qualify for additional manufacturer remedies or protections under applicable warranty or state lemon law.

"I am writing to report a latent safety concern regarding my 2022 Toyota Tundra hybrid equipped with the v35a-fts engine. Non-hybrid 2022–2024 Tundras sharing this exact v35a engine block architecture are subject to active safety recalls (NHTSA campaign ids: 24v381, 25v767, and 26v320) due to crankshaft main bearing failure caused by manufacturing debris and oil film disruption. My hybrid model utilizes the same v35a internal engine short-block assembly and suffers from the exact same potential for main bearing contamination and catastrophic internal engine lockup. Although the hybrid battery provides limited low-speed auxiliary power, a sudden internal combustion engine failure or lockup while operating at highway speeds or under heavy towing loads creates a severe safety hazard, including immediate loss of throttle response, power steering loss, and high risk of rear-end collisions. My engine has not failed yet, but the presence of known, unaddressed manufacturing debris within the v35a assembly presents an ongoing safety risk. I request that NHTSA expand its safety defect investigation into the v35a engine architecture to explicitly include the I-force max hybrid models. " Toyota has been lacking in taking responsibility that these exact same engines manufactured on the same assembly line are also subject to the same issues. I believe it is a significant safety issue especially since in the event of an engine failure the hybid system will not be strong enough to move the vehicle to the side of the road safely. In addition, when the powertrain warranty expires next year for the 2022 models, owners will be left holding the bag for a $30,000 dollar engine replacement when Toyota knows this could and has happened. Currently, Toyotas way of evaluating engines consist of hitting the engine with a hammer to check if its affected or not. What?? please investigate this and hold Toyota responsible, all engines manufactured on that assembly line in al should be replaced.

Engine knocks on start up or is very rough. The truck only has 8200 miles on it. I’m waiting for the recall to be processed but it’s been 2 years and I’m still waiting. I want to sell the truck because im afraid of it breaking down when I need it. But no one wants to buy the truck based on issues with the engines Toyota put in the trucks. How long do I have to wait for a new engine with the same design flaw? why is this issue taking so long to be rectified. How long do I have to wait for the back up light s issue to be resolved also? that’s also been 2 years! who’s sleeping at the wheel here to put pressure on Toyota?.

Total engine failure in v35a at 65- 70 mph which dealer has confirmed was due to main bearing failure. Inability to accelerate vehicle in heavy traffic lead to extreme unsafe situation. No warning lamps came on until after the vehicle completed stopped running. Both the manufacturer and the NHTSA are well aware of the continued problems with these engines and the unsafe failure. The only warning ‘hybrid system malfunction “( which has nothing to do with dealer performed diagnostic of metal in oil pan failed main bearing) came on after the truck was inoperable.

On August 21, 2026, I was driving south on us hwy 281 going approximately 70 miles per hour in the middle lane. Approximately near mile marker 540, the engine shut off and the truck rapidly decelerated. I luckily navigated the truck off the highway in heavy traffic. I attempted to restart the engine and it would not start. I had the truck towed to shottenkirk Toyota and they diagnosed it as failed main crank bearings.

The contact owns a 2024 Toyota Tundra. The contact stated that while driving approximately 40-45 mph, the radio started blinking, and the vehicle lost power and stopped in the middle of the road. The contact was able to restart the vehicle; however, there was a burning odor, and white smoke was coming from the hvac system and the engine compartment. The contact turned off and exited the vehicle and the smoking stopped. The contact called the local police to assist with directing traffic while waiting for towing assistance. The vehicle was towed to the dealer. The dealer attempted to return the vehicle to the contact after 3 weeks without confirmation of the diagnostic results or any repairs. The contact stated that the vehicle had been taken to the dealer before the failure had occurred to be repaired under NHTSA campaign numbers: 25v767000 (engine and engine cooling), 25v322000 (exterior lighting), 26v038000 (back over prevention); however, the dealer failed to complete the recall repair because there was not enough mechanics to perform the repairs. The manufacturer was informed of the issue. The failure mileage was approximately 26,000.

“before purchasing the vehicle new, I specifically asked the selling dealership about the known engine-related stop-sale concerns affecting Toyota Tundras. I was advised that the applicable issue involving this vehicle had been addressed and that the truck had been cleared for sale. The vehicle was subsequently sold to me as new. At approximately 5,141 miles, an independent repair facility documented gold-colored shavings/material in the engine oil filter. The filter has been preserved. My VIN currently shows no unrepaired recall. I have formally notified Toyota motor sales and requested that Toyota identify what stop-sale, recall, inspection, remedy, or other corrective procedure was performed on this specific VIN before it was released for sale. The composition and source of the material have not yet been determined. I am concerned that, if the material represents abnormal internal engine wear, the condition could potentially result in engine failure and loss of motive power while driving.

This is a repeat engine failure on a vehicle that already received the manufacturer's recall remedy. On xxx, at 69,420 miles, the original engine was replaced under Toyota's recall for the v35a 3. 4l twin-turbo v6 (manufacturing debris contaminating crankshaft bearings), at capital Toyota in [xxx]. On xxx, at 109,367 miles — approximately 39,947 miles after the recall replacement engine was installed — the replacement engine failed catastrophically. We first heard knocking in the engine while the truck was idling. The vehicle lost the ability to be driven and had to be towed to savannah Toyota in savannah, GA, where it currently remains. This failure raises serious safety concerns because the same recall-related symptoms (knocking progressing to failure) can occur while driving at highway speed, creating a risk of sudden loss of power, stalling in traffic, and a crash. This indicates that Toyota's recall remedy (engine replacement) did not correct the underlying manufacturing defect. We have opened a case with Toyota's brand engagement center (case/file number xxx) requesting a third engine replacement. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I was attempting to enter traffic from a steep driveway. I removed from foot from the brake and pressed on the accelerator, there was no power and the vehicle would not increase speed. This lasted about 2 seconds. It was a 50 mph roadway and the approaching vehicles had to slow quickly to avoid a collision.

Engine knocking at normal highway speeds when gas pedal not pressed. At idle very loud engine knock. While I was driving to the dealership engine shut off at highway speeds causing me to swerve in an out of traffic to pull over safely complete engine loss power. . . I took it to Toyota on 8/12/26 they confirmed main bearing in cylinder 1 failed. Toyota states new motor to be installed.

The contact owns a 2024 Toyota Tundra. The contact received notification of NHTSA campaign number: 25v767000 (engine and engine cooling). The contact stated that while driving 80 mph, several unknown warning lights illuminated, with the message " check power steering " displayed. The contact stated that the vehicle then stalled. The vehicle was pulled over to the side of the road through traffic and parked safely. The vehicle failed to restart. The contact exited the vehicle and inspected the vehicle but found no fault with the vehicle. The vehicle was towed to a dealer, where it was diagnosed with possible engine failure, which was associated with the open recall. The vehicle was not yet repaired. The manufacturer was notified of the failure. The failure mileage was 49,367.

Ive been waiting for years for the previous recalls I have been informed about to get fixed. Feul system,brake lights. Was told by Toyota that someone would call me to come to get them taken care of. In the meantime, constantly checking that my brake lights are working before departing on any excursions in truck & patiently waiting for Toyota to reach out when they were gonna fix the first 2 recalls that I was notified about. I can't recall the date exactly, but I was driving on the highway w/ my still backward carseat, facing 2y. O. Baby safely strapped in,thankgod. As accelerating into my lane, heard huge boom like an ied. Immediately, the check engine light among others came on. Truck immediately lost power & was violently shaking. Felt it in the steering wheel, but largely in engine compartment. @this time,I tried to get over to shoulder to a safe place. I turned the car off. Let it rest checked on my infant in back made sure he was ok. After letting car rest, turn back on to my surprise all lights were off. I was w/in few miles of home so went directly back, never getting to my intended destination. Shortly before driveway, all lights came back on & multiple service messages. Since then the truck has not been driveable,as we have specifically looked up recalls,thusly Nov. Recall matched lights on the dash for the specific make,year, model of truck. From my understanding, it says that there is no remedy for such recall. But that is untrue. The remedy is an entirely new engine. They just haven't rolled out the recall info to everyone applicable. I am unable to work. My home is without a vehicle and this is unacceptable. Along w/ safety risk to me and infant. I'm sure Toyota doesn't want to admit or remedy because that is very costly. But this was a mistake made by the company. And it should be remedied, because our family is suffering in various ways. Lost revenue. Inability to respond if emergency etc. I need a new engine. & in the interim,I need a car supplied while fixed.

July 31, 2026 driving on the garden state parkway in NJ in traffic at 65 mph in the far left lane, my engine seized without warning. The car started beeping and the dash lit up something like engine stopped low steering power. I had to maneuver across 2 lanes of high-speed traffic with no power, limited steering and brakes. Then coasted to a stop and tried to restart the engine. Only a click, nothing. After that I had to wait on the side of the highway for 20-30 minutes with cars speeding by only inches away so fast it shook the truck. One miscalculation by a driver could have resulted in a crash I was towed to my house, then towed to Toyota dealer. They confirmed my engined seized due to recall 25tb14 safety recall - 25ta14 (interim notice 25tb14) and replaced the engine. Vehicle had 22,3xx miles when it failed and was less than 2 years old.

My 2024 Tundra with 55000 miles suddenly lost all power going down a major highway. The engine failed suddenly. Luckily I didn’t wreck. I paid out of pocket to have it towed to dealership where it has sat untouched for 9 days. The engine is included in the recall that they have.