# Service bulletin LTT029721

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.

- Type: Service bulletin
- NHTSA id: 10214348
- Published by NHTSA: 2022\-06\-21
- Manufacturer's number: LTT029721
- Manufacturer's date: 2022\-03\-24
- NHTSA component: EQUIPMENT

## NHTSA's summary

TT: Vehicle control apps might not operate as expected at times due to preconditions \(normal operating parameters\) not being established, vehicle settings and/or network/cellular coverage concerns.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214348-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214348-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories

## Vehicles listed

- 2020 to 2022 LEXUS ES HYBRID
- 2021 to 2022 LEXUS ES250
- 2020 to 2022 LEXUS ES350
- 2021 to 2022 LEXUS IS 300
- 2021 to 2022 LEXUS IS 350
- 2020 to 2022 LEXUS LC HYBRID
- 2020 to 2022 LEXUS LC500
- 2021 to 2022 LEXUS LS HYBRID
- 2021 to 2022 LEXUS LS500
- 2022 LEXUS LX600
- 2020 to 2022 LEXUS NX HYBRID
- 2022 LEXUS NX250
- 2020 to 2021 LEXUS NX300
- 2022 LEXUS NX350
- 2022 LEXUS NX350H
- 2022 LEXUS NX450H\+
- 2020 to 2022 LEXUS RC 300
- 2020 to 2022 LEXUS RC 350
- 2022 LEXUS RC F
- 2020 to 2022 LEXUS RX HYBRID
- 2020 to 2022 LEXUS RX350
- 2020 to 2022 LEXUS UX HYBRID
- 2020 to 2022 LEXUS UX200

JSON: [/v1/bulletins/10214348](/v1/bulletins/10214348)

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