2012 Toyota Tundra engine problems

Related recalls

No recalls on file.

What owners say

1. Filed Aug 8, 2024NJEngineFuel, Hybrid & EV Propulsion

   Wife was driving truck and immediately went into limp mode on the highway. Check engine light came on, no accelerating then died. Had to get it towed. This is the 3rd incident with this issue.

   NHTSA complaint #11607293 · source
2. Filed May 18, 2023175,000 miVTTowedEngineTransmission & Drivetrain

   The contact owns a 2012 Toyota Tundra. The contact stated that while plowing his driveway, there was an abnormal burning odor detected. The vehicle suddenly lost power. There were no warning lights illuminated. The vehicle was towed to the local dealer where it was diagnosed and determined that oil was needed. The mechanic became aware that oil was dripping through a small crack on the cam shaft on the right cylinder bank onto the exhaust manifold. The contact was informed…

   NHTSA complaint #11522694 · source
3. Filed Jan 5, 202398,000 miCAEngine

   The contact owns a 2012 Toyota Tundra. The contact stated while starting the vehicle, the check engine warning light was illuminated. The contact stated that the light stayed illuminated while driving. The contact had taken the vehicle to an independent certified mechanic where it was diagnosed and determined that the secondary air injectors needed to be replaced. The mechanic informed the contact that the manufacturer had offered an Extended Warranty Program to cover the…

   NHTSA complaint #11500345 · source
4. Filed Oct 4, 2022OHFireEngineTransmission & Drivetrain

   The engine leaks oil in front of the faulty designed cam tower seal and leaks on the manifold. This caused smoke to come from the oil burning off.

   NHTSA complaint #11487908 · source
5. Filed Sep 29, 2022PAElectrical SystemEngineAcceleration & Cruise Control

   Secondary air injection pump has high rate of failure, recalls in older models. Has caused truck to go into limp mode. Could cause serious accident/fatality if vehicle suddenly goes into limp mode on highway. This has happened on multiple occasions in forums I’ve read. Known problem by Toyota that isn’t being addressed.

   NHTSA complaint #11487089 · source
6. Filed Mar 20, 2022ILEngine

   Secondary air injection system failed May 2019. ALL dash warning lights came on. Researched on-line and found truck would not have accelerated past “limp mode” (25-30 mph). Had to have vehicle towed to local Toyota dealer as I was over 40 miles from home (all highway). Toyota dealer diagnosed secondary air injection system failure. Cost to repair OVER $3000. Toyota has acknowledged this is a KNOWN design problem on the Tundra “big” V8s but refuses to recognize this is a…

   NHTSA complaint #11457478 · source
7. Filed Feb 21, 2022TXEngine

   Secondary air injection system failed June 2018. Vehicle went into limp mode on highway, a dangerous situation as you go from 70 to 30 MPH rather suddenly. Alamo Toyota dealership in San Antonio stated code PO418 and needs to have air pumps and valves replaced. Cost estimate of $3362.57. Toyota has acknowledged this is a design problem on certain Toyota Tundras but fails to recognize this is an issue on the 2012 4.6L V8 models. Toyota needs to take responsibility that this…

   NHTSA complaint #11453196 · source
8. Filed Sep 28, 2021GAEngine

   Check engine light which when checked revealed Air pump and air control valve failures. This is a known problem with 2006-2011 Tundras that Toyota issued an extended warranty for 10 years or 150,000 to replace these parts. There was additional extended warranty for 2012 with 5.7 Liter engine but not the 4.6 liter engine. Safety issue is when total failure occurs vehicle goes into limp mode with max speed of 25MPH which would be bad at highway speeds. Code was run by repair…

   NHTSA complaint #11434714 · source
9. Filed Jul 13, 2021NMEngine

   2012 toyota tundra cam carrier seal/cam tower leak on passenger side. The consumer stated once the oil pressure becomes higher than the bond holding the seal element, it begins to leak. The manufacturer was notified, but did not offer any assistance.

   NHTSA complaint #11424586 · source
10. Filed Jun 3, 202195,899 miILEngine

    The contact owns a 2012 Toyota Tundra. The contact stated while driving 25 mph, he heard an abnormal sound, and the check engine warning light illuminated. The contact drove to his residence. The contact took the vehicle to the local dealer, where it was diagnosed with needing the secondary air injection system to be replaced. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was 95,899.

    NHTSA complaint #11419465 · source
11. Filed Jan 4, 2021115,000 miLAEngineTransmission & Drivetrain

    Tl* the contact owns a 2012 toyota tundra. The contact stated that the vehicle was purchased with the check engine warning light illuminated. The vehicle was repaired at john harvey toyota (2901 benton rd, bossier city, la 71111, [phone removed]). The contact stated that after the vehicle repaired, the transmission failed and the contact returned the vehicle to the same dealer where the transmission was also repaired. The contact stated that the vehicle failed to accelerate…

    NHTSA complaint #11386483 · source
12. Filed Nov 4, 202075,000 miCAEngine

    My tundra with 75,000 miles has a camshaft tower leak and this oil is falling into the exhaust manifold without being noticed because it doesn't make it to the floor, but it gets to the sensors and starts ruining them. Toyota motor co knows about this issue in all their 5.7l engines and that its a factory robot error by not applying enough sealant in the gasket. And this is just being fixed if you are either under factory warranty or extended warranty. The vehicles loose…

    NHTSA complaint #11372939 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology