# Service bulletin L\-SB\-0013\-26 Rev1

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: 11037200
- Published by NHTSA: 2026\-09\-09
- Manufacturer's number: L\-SB\-0013\-26 Rev1
- Manufacturer's date: 2026\-08\-19
- Campaign id or software version: L\-SB\-0013\-26 Rev1
- NHTSA component: ENGINE

## NHTSA's summary

Some 2024 – 2026 model year GX 550 vehicles may exhibit a vibration at idle when in drive. The Engine Control Module \(ECM\) logic has been modified, in addition to improved exhaust hangers, to help improve this condition

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037200-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037200-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2024 to 2025 LEXUS GX
- 2026 LEXUS GX

## Recalls for the same vehicles and component

- [25V767000](/recalls/nhtsa/25V767000.md), 2025-11-06: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

## Other bulletins for the same vehicles and component

- [L\-SB\-0013\-26](/bulletins/11033419.md), 2026-06-04, Service bulletin: ENGINE. Some 2024 – 2026 model year GX 550 vehicles may exhibit a vibration at idle when in drive. The Engine Control Module \(ECM\) logic has been modified, in addition to improved exhaust hangers, to help improve this condition.
- [L\-SB\-0021\-23 Rev1](/bulletins/11003639.md), 2024-07-06, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Some 2022 – 2024 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit \(ECU\) is replaced. GTS\+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS\+ Health Check Results screen to show when configuration software is available for a specific ECU. REVISION NOTICE April 18, 2024 Rev1: •Applicability has been updated to include 2024 model year GX 550, LX 600, NX 250, NX 350, NX 350h, NX 450h\+, RX 350, RX 350h, RX 450h\+, RX 500h, RZ 300e, RZ 450e, TX 350, TX 500h, and TX 550h\+ vehicles. •The Introduction section has been updated. •The Operation Procedure section has been removed. •The Standard ECU Configuration Procedure and ECU Configuration Value Writing Procedure sections have been added.
- [L\-SB\-0021\-23 Rev1](/bulletins/11003584.md), 2024-07-06, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Some 2022 – 2024 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit \(ECU\) is replaced. GTS\+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS\+ Health Check Results screen to show when configuration software is available for a specific ECU. REVISION NOTICE April 18, 2024 Rev1: •Applicability has been updated to include 2024 model year GX 550, LX 600, NX 250, NX 350, NX 350h, NX 450h\+, RX 350, RX 350h, RX 450h\+, RX 500h, RZ 300e, RZ 450e, TX 350, TX 500h, and TX 550h\+ vehicles. •The Introduction section has been updated. •The Operation Procedure section has been removed. •The Standard ECU Configuration Procedure and ECU Configuration Value Writing Procedure sections have been added.

JSON: [/v1/bulletins/11037200](/v1/bulletins/11037200)

[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-SB-0013-26%20Rev1&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11037200&vehicle=Service%20bulletin%20L-SB-0013-26%20Rev1)