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Service bulletin L-TT-0286-20

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 id10174907
Published by NHTSA2020-05-11
Manufacturer's numberL-TT-0286-20
Manufacturer's date2020-04-15
NHTSA componentEQUIPMENT

NHTSA's summary

TT: After performing a battery test using the DCA-8000 battery diagnostic charger and the battery health has been considered a ?Good? condition, the DCA will automatically enter a post-test charging mode. In the post-test charging mode, the DCA analyzes the current state of charge of the battery and automatically begins to charge the battery to a fully charged condition, 100% state of charge. The time required to charge the battery to full will vary. Once the DCA enters the post-test charging mode the battery test has been completed, and further charging can be conducted under the Technician?s discretion. Selecting ?Stop? will cancel the automatic charging of the battery and return the user to the DCA results screen. The test results and charge time can be printed or emailed from the results screen.

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

Equipment and accessories

Vehicles listed
LEXUS CT HYBRID2018
LEXUS ES HYBRID2018 to 2021
LEXUS ES3502018 to 2021
LEXUS GS 3502018 to 2020
LEXUS GS F2018 to 2020
LEXUS GS HYBRID2018
LEXUS GS3002018 to 2019
LEXUS GX4602018 to 2021
LEXUS IS 3002018 to 2021
LEXUS IS 3502018 to 2021
LEXUS LC HYBRID2018 to 2021
LEXUS LC5002018 to 2021
LEXUS LS HYBRID2018 to 2021
LEXUS LS5002018 to 2021
LEXUS LX5702018 to 2021
LEXUS NX HYBRID2018 to 2021
LEXUS NX3002021
LEXUS RC 3002018 to 2021
LEXUS RC 3502021
LEXUS RC F2018 to 2021
LEXUS RX HYBRID2018 to 2021
LEXUS RX3502018 to 2021
LEXUS UX HYBRID2019 to 2021
LEXUS UX2002019 to 2021
LEXUS UX200 HYBRID2021

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