2025 Toyota Tundra: sudden loss of power

Filed Oct 18, 2026 · Transmission · CA

Vehicle Information: 2025 Toyota Tundra CrewMax 1794 Edition 4x4 (i-FORCE MAX Hybrid) VIN: [XXX] Component: Power Train / Automatic Transmission / Hybrid Propulsion System Description of Defect: I have discovered an active fluid leak originating from the transmission/bell housing area on my vehicle. There are currently no dashboard warning lights illuminated, and the transmission is not yet slipping or shifting roughly. However, the vehicle is actively dripping fluid onto the ground and undercarriage components from the powertrain assembly. Safety Risk: A transmission fluid leak on a high-pressure 10-speed automatic transmission presents an immediate safety hazard. If the transmission fluid level drops too low while driving at highway speeds, it can cause sudden power loss, transmission lock-up, or catastrophic mechanical failure, increasing the risk of a crash. Furthermore, transmission fluid leaking onto hot exhaust or hybrid electrical components poses a severe vehicle fire risk. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jun 16, 2026 · Engine, Fuel system · ID

Have owned the 2025 Toyota Tundra for about 18 months. Multiple instances of delayed acceleration when stopped or almost stopped, sometimes as much as 3 or 4 seconds. Last time was in early June, 2026. This is very dangerous because when I pull out into an intersection it will start to go but then lose all power for a few seconds with traffic coming behind me. This is something Toyota needs to look into.

Filed Apr 12, 2026 · Engine, Seats · VA

I am reporting multiple safety-related defects on my 2025 Toyota Tundra (approx. 18.5k miles, purchased 07/25). Toyota has been made aware and has not resolved these issues. The most serious defect is deterioration of the driver-side air intake housing. While replacing the air filters, I observed the airbox shedding internal material directly onto the engine air filter. This is not external debris and there are no signs of rodent intrusion, indicating internal component breakdown. This vehicle shares the V35A engine platform, which is subject to recall for debris contamination leading to main bearing failure, engine stall, and loss of drive power. The presence of internally generated debris upstream of the engine creates a credible risk of engine damage or sudden failure while driving. Toyota’s recall documentation confirms debris contamination can cause engine stall and loss of drive power. The windshield cracked during extreme cold weather. The crack originated near the lower edge at the wiper/cowl interface and propagated upward in a pattern consistent with stress or thermal failure, not impact, affecting visibility and structural integrity. Additionally, the lower front bumper trim cracked without meaningful impact, and the rear bumper failed under minimal load in cold conditions. These failures indicate material brittleness and raise concern for reduced crash protection and increased risk of injury in a collision. Other issues include driver-side seat trim cracking and premature paint and trim degradation. Similar failures, including windshield cracking, trim failure, and cold-weather brittleness, are widely reported by other 2022+ Tundra owners, indicating a potential systemic defect. Given the known engine recall and active internal material degradation in the intake system, there is a credible safety risk of engine stall, sudden loss of power at speed, reduced visibility, and increased injury risk due to compromised bumper integrity.

Filed Mar 22, 2026 · Transmission · MO

The same thing that I reported in incident number XXX happened again recently. From a stop. I went to make a right turn on Red in a four way intersection. The oncoming traffic to my left was also stopped. When I started to proceed the truck felt like it was in like 5th gear, moving barely but no real power, then it dropped into what felt like 1st gear and lurched me forward. I almost hit a car to my right that was stopped and traveling West bound and the power loss also was concerning. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Mar 11, 2026 · Transmission · TX

I own a 2025 Toyota Tundra 1794 with the 3.4L twin-turbo engine. The engine failed at approximately 53,000 miles while I was driving on the freeway in Houston, Texas. I was traveling at highway speed when the engine suddenly lost power and the truck became unsafe to continue driving. I had to pull over to the shoulder of the freeway with traffic moving at high speed. My [XXX] daughter was in the vehicle with me at the time. The sudden loss of engine power at highway speed created a serious safety hazard because it left the vehicle disabled in active freeway traffic. The vehicle had been properly maintained with regular oil changes and normal driving conditions. After the failure the truck had to be towed to the Toyota dealership, which I had to pay for out of pocket. The dealership performed an engine teardown that took about one week. They informed me that the engine block and most internal components that come into contact with oil will need to be replaced. The dealership told me the failure is not currently related to the existing Toyota Tundra engine recall. The truck is currently at the dealership and they estimate approximately 30 days to complete the repair. The dealer also informed me they have multiple Toyota Tundra trucks waiting for engine repairs and that no truck loaner vehicles were available. My understanding is that a Toyota case number has been opened for this failure and that the diagnostic details are recorded in that report. I am concerned that sudden engine failures at highway speed represent a serious safety risk INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)