Lexus GX Service Bulletins (2024)
50 manufacturer communications on file.
- August 19, 2026•Document ID: 11037200Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- L-SB-0013-26 Rev1
- Date Added:
- September 9, 2026
- Manufacturer:
- LEXUS
SummarySome 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
Associated Products (3)Associated Documents - July 1, 2026•Document ID: 11036117Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- L-SB-0053-25 Rev2
- Date Added:
- August 12, 2026
- Manufacturer:
- LEXUS
SummarySome 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse
Associated Products (7)Associated Documents - May 29, 2026•Document ID: 11033419Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- L-SB-0013-26
- Date Added:
- June 4, 2026
- Manufacturer:
- LEXUS
SummarySome 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.
Associated Products (3)Associated Documents - May 5, 2026•Document ID: 11033399Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- L-SB-0042-25 Rev2
- Date Added:
- June 4, 2026
- Manufacturer:
- LEXUS
SummarySome 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop. The Electronic Controlled Transmission (ECT) ECU logic has been modified to address this condition.
Associated Products (2)Associated Documents - February 21, 2026•Document ID: 11029894Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- L-SB-0053-25
- Date Added:
- March 7, 2026
- Manufacturer:
- LEXUS
SummarySome 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
Associated Products (8)Associated Documents - February 7, 2026•Document ID: 11029881Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- L-SB-0013-25 Rev1
- Date Added:
- March 7, 2026
- Manufacturer:
- LEXUS
SummarySome 2024 model year GX 550 vehicles may exhibit an abnormal hood fluttering and/or vibration while driving 25 mph or higher. The mastic between the outer panel and the hood brace may have separated.
Associated Products (1)Associated Documents - February 5, 2026•Document ID: 11029875Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- L-SB-0042-25 Rev1
- Date Added:
- March 7, 2026
- Manufacturer:
- LEXUS
SummarySome 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop. The Electronic Controlled Transmission (ECT) ECU logic has been modified to address this condition.
Associated Products (2)Associated Documents - December 15, 2025•Document ID: 11027560Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- L-SB-0030-24 Rev2
- Date Added:
- January 9, 2026
- Manufacturer:
- LEXUS
SummarySome 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle for odor remediation. Refer to the applicable model and model year Repair Manuals and the EPA (Environmental Protection Agency) website for the most up-to-date safety and precautionary guidelines. This Service Bulletin is to provide a general overview and direction for the odor remediation process.
Associated Products (60)Associated Documents - November 21, 2025•Document ID: 11026323Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- L-SB-0053-25
- Date Added:
- December 5, 2025
- Manufacturer:
- LEXUS
SummarySome 2024 – 2026 model year GX 550, 2022 – 2026 model year LX 600, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
Associated Products (8)Associated Documents - November 21, 2025•Document ID: 11026322Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- L-SB-0036-24 Rev2
- Date Added:
- December 5, 2025
- Manufacturer:
- LEXUS
SummaryOBSOLETE NOTICE November 21, 2025: This bulletin is now obsolete. Please see L-SB-0053-25
Associated Products (6)Associated Documents - September 17, 2025•Document ID: 11024079Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- L-SB-0042-25
- Date Added:
- October 8, 2025
- Manufacturer:
- LEXUS
SummarySome 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition
Associated Products (2)Associated Documents - September 9, 2025•Document ID: 11024076Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- L-SB-0039-25
- Date Added:
- October 8, 2025
- Manufacturer:
- LEXUS
SummaryA new head unit software update is available for 2023 – 2024 model year ES 250, ES 300h, ES 350, LS 500h, and UX 250h; 2023 model year LS 500; 2024 model year GX 550, LC 500, LC 500c, and LC 500h vehicles equipped with Lexus Multimedia earlier than version 2170 (earlier than 2172 for GX 550). This software update includes the following improvements: •User Profile. •User interface. •Cloud navigation. •Intelligent assistant voice recognition. •Bug fixes.
Associated Products (5)Associated Documents - August 19, 2025•Document ID: 11022963Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- L-TT-0326-23 Rev2
- Date Added:
- September 9, 2025
- Manufacturer:
- LEXUS
SummarySome customers may experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features.
Associated Products (58)Associated Documents - July 29, 2025•Document ID: 11021729Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- L-SB-0031-25
- Date Added:
- August 8, 2025
- Manufacturer:
- LEXUS
SummarySome 2024-2025 model year GX550 vehicles may exhibit a harsh downshift when slowing to a stop. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions.
Associated Products (2)Associated Documents - June 16, 2025•Document ID: 11020661Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- L-TT-0346-25
- Date Added:
- July 10, 2025
- Manufacturer:
- LEXUS
SummaryThe new TPMS sensors in 2024 and newer GX550 and 2025 UX300H vehicles are equipped with a noise reduction mode that reduces battery consumption when exposed to specific frequency radio waves.
Associated Products (2)Associated Documents - June 13, 2025•Document ID: 11020659Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- L-SB-0042-24 Rev1
- Date Added:
- July 10, 2025
- Manufacturer:
- LEXUS
SummarySome 2024 model year GX 550 vehicles equipped with the refresh seat function may exhibit a condition where the front passenger seat massager is inoperative. This condition is caused by the front passenger seat massager tube becoming detached during use.
Associated Products (1)Associated Documents - June 13, 2025•Document ID: 11020656Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- L-SB-0043-23 Rev1
- Date Added:
- July 10, 2025
- Manufacturer:
- LEXUS
SummaryThe air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
Associated Products (52)Associated Documents - April 2, 2025•Document ID: 11019328Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- L-TT-0340-25
- Date Added:
- June 6, 2025
- Manufacturer:
- LEXUS
SummaryTo assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
Associated Products (27)Associated Documents - April 2, 2025•Document ID: 11018325Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- L-TT-0340-25
- Date Added:
- May 15, 2025
- Manufacturer:
- LEXUS
SummaryTo assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
Associated Products (27)Associated Documents - February 25, 2025•Document ID: 11016799Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- L-TT-0335-24 Rev1
- Date Added:
- April 8, 2025
- Manufacturer:
- LEXUS
SummarySome customers of Lexus GX, TX, and UX have expressed concern that their vehicle’s multimedia screen will get stuck on either day or night mode, intermittently.
Associated Products (4)Associated Documents