# Service bulletin L\-SB\-0032\-25

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: 11021730
- Published by NHTSA: 2025\-08\-08
- Manufacturer's number: L\-SB\-0032\-25
- Manufacturer's date: 2025\-07\-30
- Campaign id or software version: L\-SB\-0032\-25
- NHTSA component: ENGINE

## NHTSA's summary

Some 2016 – 2020 model year GS F, 2008 – 2014 model year IS F, 2022 – 2025 model year IS 500, 2018 – 2025 model year LC 500, 2021 – 2025 model year LC 500c, and 2015 – 2025 model year RC F vehicles with 2UR\-GSE engines may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes \(DTCs\): •P0505 – Idle Control System •P2111 – Throttle Actuator Control System – Stuck Open The throttle body assembly with motor and ventilation hoses no. 2 and no. 3 have been modified to address these conditions.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021730-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021730-9999.pdf)

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

## Components

Engine

## Trouble codes named

P0505, P2111

## Vehicles listed

- 2016 to 2020 LEXUS GS
- 2008 to 2014 LEXUS IS
- 2022 to 2025 LEXUS IS
- 2018 to 2025 LEXUS LC
- 2015 to 2025 LEXUS RC

## Recalls for the same vehicles and component

- [09V020000](/recalls/nhtsa/09V020000.md), 2009-01-16: ENGINE AND ENGINE COOLING

## Other bulletins for the same vehicles and component

- [L\-SB\-0007\-21 Rev2](/bulletins/11007436.md), 2024-09-07, Service bulletin: ENGINE. Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model year IS 300 and RC 300 vehicles equipped with an 8AR\-FTS engine may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes \(DTCs\): •Cylinder Misfire – P030000, P030027, P030085, P030100, P030200, P030300, P030400. •Air\-Fuel Ratio Imbalance – P11EA00, P11EC00, P11ED00, P11EE00, P11EF00, P219A00, P219C00, P219D00, P219E00, P219F00. Some vehicles may also enter limp mode, and the Multi\-Informational Display \(MID\) will display the following message: “reduced engine power – take vehicle to nearest dealer.” This may be caused by cylinder compression pressure drop due to improper exhaust valve sealing from worn valve guides.
- [L\-SB\-0007\-21 Rev2](/bulletins/11006142.md), 2024-08-08, Service bulletin: ENGINE. Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model year IS 300 and RC 300 vehicles equipped with an 8AR\-FTS engine may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes \(DTCs\): •Cylinder Misfire – P030000, P030027, P030085, P030100, P030200, P030300, P030400. •Air\-Fuel Ratio Imbalance – P11EA00, P11EC00, P11ED00, P11EE00, P11EF00, P219A00, P219C00, P219D00, P219E00, P219F00. Some vehicles may also enter limp mode, and the Multi\-Informational Display \(MID\) will display the following message: “reduced engine power – take vehicle to nearest dealer.” This may be caused by cylinder compression pressure drop due to improper exhaust valve sealing from worn valve guides.
- [L\-SB\-0007\-21 Rev1](/bulletins/11003637.md), 2024-07-06, Service bulletin: ENGINE. Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model year IS 300 and RC 300 vehicles equipped with an 8AR\-FTS engine may exhibit a MIL ON condition with one or more of the following Diagnotic Trouble Codes \(DTCs\): •Cylinder Misfire – P030000, P030027, P030085, P030100, P030200, P030300, P030400. •Air\-Fuel Ratio Imbalance – P11EA00, P11EC00, P11ED00, P11EE00, P11EF00, P219A00, P219C00, P219D00, P219E00, P219F00. Some vehicles may also enter limp mode, and the Multi\-Informational Display \(MID\) will display the following message: “reduced engine power – take vehicle to nearest dealer.” This may be caused by cylinder compression pressure drop due to improper exhaust valve sealing from worn valve guides. REVISION NOTICE April 17, 2024 Rev1: •Applicability has been updated to include 2021 – 2024 model year IS 300 and RC 300, and 2021 NX 300 vehicles. •The Introduction, Parts Information, and Repair Procedure sections have been updated.
- [L\-SB\-0007\-21 Rev1](/bulletins/11003582.md), 2024-07-06, Service bulletin: ENGINE. Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model year IS 300 and RC 300 vehicles equipped with an 8AR\-FTS engine may exhibit a MIL ON condition with one or more of the following Diagnotic Trouble Codes \(DTCs\): •Cylinder Misfire – P030000, P030027, P030085, P030100, P030200, P030300, P030400. •Air\-Fuel Ratio Imbalance – P11EA00, P11EC00, P11ED00, P11EE00, P11EF00, P219A00, P219C00, P219D00, P219E00, P219F00. Some vehicles may also enter limp mode, and the Multi\-Informational Display \(MID\) will display the following message: “reduced engine power – take vehicle to nearest dealer.” This may be caused by cylinder compression pressure drop due to improper exhaust valve sealing from worn valve guides. REVISION NOTICE April 17, 2024 Rev1: •Applicability has been updated to include 2021 – 2024 model year IS 300 and RC 300, and 2021 NX 300 vehicles. •The Introduction, Parts Information, and Repair Procedure sections have been updated.
- [LSB006023](/bulletins/10247804.md), 2023-12-26, Service bulletin: ENGINE AND ENGINE COOLING. TSB: Some 2019 ? 2023 model year ES 350, 2018 ? 2023 model year IS 350, IS 300, RC 350, RC 300, 2016 ? 2022 model year RX 350, and 2016 ? 2020 model year GS 350 vehicles equipped with a 2GR\-FKS engine may exhibit a knocking noise from the vacuum pump at idle. Follow the Repair Procedure in this bulletin to improve this condition.
- [LTT003110A](/bulletins/10205361.md), 2021-12-20, Service bulletin: ENGINE. Adhesive \& Sealant Cross Reference Information/ Engine Hybrid System
- [LTT003110](/bulletins/10205360.md), 2021-12-20, Service bulletin: ENGINE; HYBRID PROPULSION SYSTEM. Adhesive \& Sealant Cross Reference Information/ Engine Hybrid System
- [LTT000110A](/bulletins/10205359.md), 2021-12-20, Service bulletin: ENGINE. Oil Viscosity Applicability and Cfhange Interval Guide
- [LTT000110](/bulletins/10205358.md), 2021-12-20, Service bulletin: ENGINE. Oil Viscosity Applicability and Cfhange Interval Guide
- [LSB\-0156\-08](/bulletins/10042970.md), 2012-02-02, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. LEXUS: INFORMATION ON SOME VEHICLES THAT MAY EXPERIENCE A KNOCK OR RATTLE NOISE COMING FROM THE ENGINE UPON A COLD SOAK START UP FOR A BRIEF PERIOD OF TIME. \*PE

JSON: [/v1/bulletins/11021730](/v1/bulletins/11021730)

[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-0032-25&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11021730&vehicle=Service%20bulletin%20L-SB-0032-25)