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Service bulletin L-TT-0296-21

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10187272
Published by NHTSA2021-02-16
Manufacturer's numberL-TT-0296-21
Manufacturer's date2021-01-29
NHTSA componentBACK OVER PREVENTION

NHTSA's summary

TT: Customers may complain of a thump/clunk type noise when coming to a stop or accelerating from a stop. This usually happens when the vehicle is cold, first thing in the morning. This phenomenon occurs due to the propeller shaft?s slip yoke splines binding up.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Backup camera

Vehicles listed
LEXUS GX4602019 to 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.