2025 Toyota Tundra: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 48 owner complaints for the 2025 Toyota Tundra that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11772333 (filed 10/20/2026): “My truck showed “hybrid engine malfunction contact dealer” upon start up, then “reduced engine performance check engine” warnings. i was not warned that i should not drive at all so i took my son to school. as i was driving home up a hill around 35 mph the temperature gauge began to climb fast towar…”
- NHTSA complaint ODI #11769746 (filed 10/07/2026): “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…”
- NHTSA complaint ODI #11757741 (filed 08/18/2026): “On july 20, the vehicle experienced a catastrophic mechanical failure resulting in a total engine seizure while operating. the failure caused an immediate, sudden loss of motive power, forcing the vehicle to become completely immobilized on the interstate highway. this unexpected loss of propulsion …”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .