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Service bulletins for the 2022 Lexus LX

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.

54 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
L-TT-0326-23 Rev22025-09-09. Service bulletin. ELECTRICAL SYSTEM. Some 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.
24LC042025-08-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 24LC04 REPROGRAMMING FOR ENGINE ELECTRONIC CONTROL UNIT CERTAIN 2022, 2023 and 2024 LX600 VEHICLES
24LC042025-08-08. Service campaign. ELECTRICAL SYSTEM; ENGINE. Lexus provided certain specifications for horsepower when the LX600 was introduced into the market. It was recently discovered that these vehicles may have a horsepower rating lower than those specifications.
L-SB-0043-23 Rev12025-07-10. Service bulletin. ELECTRICAL SYSTEM. The 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.
L-TT-0340-252025-06-06. Service bulletin. ELECTRICAL SYSTEM. To 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.
L-TT-0340-252025-05-15. Service bulletin. ELECTRICAL SYSTEM. To 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.
L-SB-0036-22 Rev22025-04-08. Service bulletin. ELECTRICAL SYSTEM. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard+ (CUW+). To ensure the correct ECU software is installed, ECUs will require a Security Signature before the ECU will initialize the flash reprogramming sequence. This bulletin also details the process for acquiring a Security Signature from TIS during the GTS+ ECU flash reprogramming process.
L-SB-0013-24 Rev12025-04-08. Service bulletin. ELECTRICAL SYSTEM. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
L-SB-0036-22 Rev22025-03-11. Service bulletin. ELECTRICAL SYSTEM. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard+ (CUW+). To ensure the correct ECU software is installed, ECUs will require a Security Signature before the ECU will initialize the flash reprogramming sequence. This bulletin also details the process for acquiring a Security Signature from TIS during the GTS+ ECU flash reprogramming process.
L-SB-0013-24 Rev12025-03-11. Service bulletin. ELECTRICAL SYSTEM. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
L-SB-0021-23 Rev22025-02-12. Service bulletin. ELECTRICAL SYSTEM. Some 2022 – 2025 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.
L-SB-0027-242024-07-23. Service bulletin. ELECTRICAL SYSTEM. A head unit software update is now available for 2022 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1020 or earlier). This update provides improved performance and capability for the following: •User Profile configuration and display. •Cloud Navigation and Intelligent Voice Assistant. •Mobile device connectivity. •On-screen display and system settings/configuration. •Security enhancements. A head unit software update is now available for 2022 LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (earlier than version 1040). This software update includes the following improvements: •Cloud navigation. •Intelligent assistant voice recognition. •Showing and controlling explicit audio content. •User interface. •Bluetooth®. •Bug fixes. This software update removes the following feature: •Hybrid radio. A head unit software update is now available for 2023 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1040 or earlier). This software update provides improved performance and capability for the following: •User Profile. •Over-the-air (OTA) notifications. •Ability to search during a call. •Bug fixes settings/configuration. •Security enhancements. A head unit software update is now available for 2022 – 2023 model year LX 600 vehicles; 2023 – 2024 model year RX 350, RX 350h, RX 450h+, and RX 500h vehicles; 2022 – 2024 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles; 2023 model RZ 450e vehicles equipped with Lexus Multimedia (earlier than version 2050). This software update includes the following improvements: •User interface design. •Intelligent assistant. •Navigation lane guidance. •Phone book search. •Bug fixes. A head unit software update is now available for 2022 – 2024 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles; 2023 – 2024 model year RX 350, RX 350h, RX 450h+, RX 500h, and RZ 450e vehicles; 2024 model year TX 350, TX 500h, and TX 550h+ vehicles equipped with Lexus Multimedia (earlier than version 2170). This software update includes the following improvements: •User Profile. •User interface. •Cloud navigation. •Intelligent assistant voice recognition. •Bug fixes.
L-TT-0323-23 Rev12024-07-06. Service bulletin. ELECTRICAL SYSTEM. When setting up the Lexus Interface (21MM) user profile, if the QR code is not working please use the following recommendations. 1. Refer to the TAS 21MM Diagnostics Pre-Call Worksheet (PCW) on the TAS case creation page. The following steps will provide some answers for the PCW. 2. Start with the vehicle running outside for 5-10 minutes in an area with no overhead obstructions. a. Enter the radio Service Menu (diagnostic mode) using Techstream or GTS+, or the manual swiping method as outlined in the Repair Manual. b. Once the Service Menu is shown, the Function Check/Setting, and Product information buttons will be used. 3. Select the Product Information button to display radio and DCM registration details. 4. Accurate GNSS Date and Time is needed for the QR code to work. From the Service Menu select Function Check/Setting > System Sensors Check to display GNSS details.
L-SB-0021-23 Rev12024-07-06. 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-TT-0323-23 Rev12024-07-06. Service bulletin. ELECTRICAL SYSTEM. When setting up the Lexus Interface (21MM) user profile, if the QR code is not working please use the following recommendations. 1. Refer to the TAS 21MM Diagnostics Pre-Call Worksheet (PCW) on the TAS case creation page. The following steps will provide some answers for the PCW. 2. Start with the vehicle running outside for 5-10 minutes in an area with no overhead obstructions. a. Enter the radio Service Menu (diagnostic mode) using Techstream or GTS+, or the manual swiping method as outlined in the Repair Manual. b. Once the Service Menu is shown, the Function Check/Setting, and Product information buttons will be used. 3. Select the Product Information button to display radio and DCM registration details. 4. Accurate GNSS Date and Time is needed for the QR code to work. From the Service Menu select Function Check/Setting > System Sensors Check to display GNSS details.
L-SB-0021-23 Rev12024-07-06. 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.
LSB0007222024-04-01. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER. OBSOLETE NOTICE February 13, 2024: This bulletin is now obsolete. Please see L-SB-0006-23.
L-SB-0006-232024-03-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. TSB: A head unit software update is now available for 2022 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1020 or earlier). This update provides improved performance and capability for the following: ?User profile configuration and display. ?Cloud Navigation and Intelligent Voice Assistant. ?Mobile device connectivity. ?On-screen display and system settings/configuration. ?Security enhancements. A head unit software update is now available for 2022 LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles; and 2023 ES 250, ES 300h, ES 350, and UX 250h vehicles equipped with Lexus Multimedia (earlier than version 1040). This software update includes the following improvements: ?Cloud navigation. ?Intelligent assistant voice recognition. ?Showing and controlling explicit audio content. ?User interface. ?Bluetooth®. ?Bug fixes. This software update removes the following feature: ?Hybrid radio. A head unit software update is now available for 2023 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1040 or earlier). This software update provides improved performance and capability for the following: ?User profile. ?Over-the-air (OTA) notifications. ?Ability to search during a call. ?Bug fixes settings/configuration. ?Security enhancements. A head unit software update is now available for 2022 ? 2023 model year LX 600 vehicles; 2023 ? 2024 model year ES 250, ES 300h, ES 350, RX 350, RX 350h, RX 450h+, RX 500h, and UX 250h vehicles; 2022 ? 2024 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles; 2023 model year LS 500 and LS 500h vehicles; 2024 model year LC 500, LC 500C, and LC 500h vehicles equipped with Lexus Multimedia (earlier than version 2050). This software update includes the following improvements: ?User interface design. ?Intelligent assistant. ?Navigation lane guidance. ?Phone book se

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.