# Service bulletin L\-TT\-250\-18

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: 10145761
- Published by NHTSA: 2018\-10\-15
- Manufacturer's number: L\-TT\-250\-18
- Manufacturer's date: 2018\-09\-27
- NHTSA component: ELECTRICAL SYSTEM

## 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/2018/MC-10145761-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10145761-0001.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2015 to 2019 LEXUS ES350
- 2016 to 2017 LEXUS GS 200T
- 2015 to 2019 LEXUS GS 350
- 2016 to 2019 LEXUS GS F
- 2015 to 2018 LEXUS GS HYBRID
- 2018 to 2019 LEXUS GS300
- 2015 LEXUS GS450H
- 2015 to 2017 LEXUS IS 250
- 2015 LEXUS IS 250C
- 2015 to 2019 LEXUS IS 300
- 2015 to 2019 LEXUS IS 350
- 2015 LEXUS IS 350C
- 2016 to 2017 LEXUS IS200T
- 2016 LEXUS LS
- 2018 to 2019 LEXUS LS HYBRID
- 2015 to 2017 LEXUS LS460
- 2015 to 2016 LEXUS LS600H
- 2016 to 2019 LEXUS LX570
- 2015 to 2019 LEXUS NX HYBRID
- 2015 to 2017 LEXUS NX200T
- 2018 to 2019 LEXUS NX300
- 2015 to 2017 LEXUS RC 200T
- 2016 to 2019 LEXUS RC 300
- 2016 to 2019 LEXUS RC 350
- 2015 to 2019 LEXUS RC F
- 2016 to 2019 LEXUS RX HYBRID
- 2017 to 2019 LEXUS RX350

## Other bulletins for the same vehicles and component

- [KLG\_19LE05\-TI\-Up](/bulletins/10179782.md), 2020-09-14, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. TI: TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN KLG CUSTOMER SUPPORT PROGRAM 19LE05 SAFETY CONNECT SYSTEM ? VEHICLE LOCATION INACCURATE
- [KLG\_19LE05\-TI\-Up](/bulletins/10179738.md), 2020-09-14, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. TI: TECHNICAL INSTRUCTIONS FOR LIMITED SERVICE CAMPAIGN KLG CUSTOMER SUPPORT PROGRAM 19LE05 SAFETY CONNECT SYSTEM ? VEHICLE LOCATION INACCURATE
- [L\-SB\-0028\-20](/bulletins/10179691.md), 2020-09-14, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. TSB: Some 2006 ? 2020 model year Lexus hybrid vehicles may exhibit an excessive buildup of dust, lint, or debris in the HV battery cooling fan or intake filter. This condition could reduce the efficiency of the HV battery cooling system.
- [KLG \- Dealer Pac](/bulletins/10172824.md), 2020-03-30, Service bulletin: ELECTRICAL SYSTEM; AIR BAGS. The Data Communication Module \(DCM\) in the subject vehicles are equipped with software to identify the location of the vehicle using the Global Positioning System \(GPS\) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated
- [19LE05 \- Dealer](/bulletins/10172821.md), 2020-03-30, Service bulletin: AIR BAGS; ELECTRICAL SYSTEM. The Data Communication Module \(DCM\) in the subject vehicles is equipped with software to identify the location of the vehicle using the Global Positioning System \(GPS\) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated
- [KLG\_Dealer Packa](/bulletins/10170745.md), 2020-01-27, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Dealer Package: 12/10/2019 Vehicle total has increased by approximately 6,260 vehicles. Vehicles were moved from Customer Support Program 19LE05 and added to Limited Service Campaign KLG. The Data Communication Module \(DCM\) in the subject vehicles are equipped with software to identify the location of the vehicle using the Global Positioning System \(GPS\) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated.
- [19LE05\_Dealer Pa](/bulletins/10169323.md), 2019-12-16, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\); ELECTRICAL SYSTEM. Dealer Package: The Data Communication Module \(DCM\) in the subject vehicles is equipped with software to identify the location of the vehicle using the Global Positioning System \(GPS\) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated. Note: Lexus has initiated a Limited Service Campaign and a Customer Support Program to resolve this issue related to the Safety Connect system. Both of these programs provide the same free remedy to correct this issue with Safety Connect. Lexus recommends that customers have the free remedy performed before reactivating Safety Connect. Vehicles that had an active Safety Connect subscription on or after 10/1/2017 were included in Limited Service Campaign LSC KLG. Vehicles that did not have an active Safety Connect subscription on or after 10/1/2017 but are affected by this condition are included in this Customer Support Program \(19LE05\).
- [KLG\_Dealer Packa](/bulletins/10166021.md), 2019-10-15, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Dealer Package: The Data Communication Module \(DCM\) in the subject vehicles are equipped with software to identify the location of the vehicle using the Global Positioning System \(GPS\) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated.
- [KLG\_Dealer Packa](/bulletins/10166016.md), 2019-10-15, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Dealer Package: The Data Communication Module \(DCM\) in the subject vehicles are equipped with software to identify the location of the vehicle using the Global Positioning System \(GPS\) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated.
- [KLG\_Dealer Email](/bulletins/10166015.md), 2019-10-15, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Dealer Email: The Data Communication Module \(DCM\) in the subject vehicles are equipped with software to identify the location of the vehicle using the Global Positioning System \(GPS\) to support features of the Safety Connect system. Due to incorrect programming in the DCM software, after November 2nd, 2019, the GPS coordinates for this system will be calculated incorrectly. This will cause the system to use incorrect vehicle coordinates if one of the system?s features is activated.

JSON: [/v1/bulletins/10145761](/v1/bulletins/10145761)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20L-TT-250-18&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10145761&vehicle=Service%20bulletin%20L-TT-250-18)