It depends on what causes the squeak or rattle as to whether it's covered by the warranty. In this case it is caused be premature wear of the shock absorber bushes, and that's covered under warranty.

In production since 2021 for the 2022 model year, the third-generation Tundra still is hampered by a plethora of issues, both large and small. On the upside, Toyota continues to address these issues, ...