# Service bulletins for the 2024 Lexus TX

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.

61 bulletins from NHTSA, as of 2026-10-19.

- [L\-SB\-0049\-25 Rev1](/bulletins/11038375.md), 2026-10-08, Service bulletin: STRUCTURE:BODY. Some 2024 – 2026 model year TX 350, TX 500h, and TX 500h\+ vehicles may exhibit a condition where the fuel lid may not open when the release button is depressed.
- [L\-SB\-0033\-24 Rev2](/bulletins/11034816.md), 2026-07-08, Service bulletin: POWER TRAIN. Some 2023 – 2024 model year RX 350, RX 350h, RX 500h, and 2024 model year TX 350 and TX 500h vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making turns. This condition may occur without a grease leak present on the front drive shaft assemblies. An updated front drive shaft assembly is available to resolve this condition. Follow the Repair Procedure in this bulletin to address this condition.
- [L\-SB\-0030\-24 Rev2](/bulletins/11027560.md), 2026-01-09, Service bulletin: STRUCTURE:BODY. Some 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.
- [L\-SB\-0049\-25.pdf](/bulletins/11026307.md), 2025-12-05, Service bulletin: STRUCTURE:BODY. Some 2024 – 2026 model year TX 350, TX 500h, and TX 500h\+ vehicles may exhibit a condition where the fuel lid may not open when the release button is depressed.
- [L\-TT\-0326\-23 Rev2](/bulletins/11022963.md), 2025-09-09, 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.
- [L\-SB\-0043\-23 Rev1](/bulletins/11020656.md), 2025-07-10, 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\-SB\-0033\-24](/bulletins/11020653.md), 2025-07-10, Service bulletin: POWER TRAIN. Some 2023 – 2024 model year RX 350, RX 350h, RX 500h, and 2024 model year TX 350 and TX 500h vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making turns. This condition may occur without a grease leak present on the front drive shaft assemblies. An updated front drive shaft assembly is available to resolve this condition.
- [L\-SB\-0029\-25](/bulletins/11020651.md), 2025-07-10, Service bulletin: ELECTRICAL SYSTEM. Some 2024 – 2025 model year TX 350, TX 500h, and TX 500h\+ vehicles equipped with a Mark Levinson sound system, may exhibit one or both of the following conditions: •Audio cuts off at high or maximum volume in some high bass audio settings. •A lack of bass and sound depth from the sound system, especially from the rear speakers and subwoofer. The stereo component amplifier assembly has been modified to improve these conditions and enhance the sound system performance.
- [L\-SB\-0024\-25](/bulletins/11019358.md), 2025-06-06, Service bulletin: ELECTRICAL SYSTEM. Some 2023 – 2025 model year RX 350, RX 350h, RX 500h, and 2024 – 2025 model year TX 350, TX 500h, and TX 550h\+ vehicles may exhibit a condition where the Blind Spot Monitor \(BSM\) system is inoperative, there is a BSM malfunction message on the multi\-information display \(MID\), or the driving assist information indicator is illuminated, along with one or more of the following Diagnostic Trouble Codes \(DTCs\) present: •C1AB413 – Outer Mirror Indicator \(Module "B" Side\) Circuit Open •C1AB513 – Outer Mirror Indicator \(Module "A" Side\) Circuit Open The BSM sensor software has been updated to reduce the possibility of these conditions.
- [L\-TT\-0340\-25](/bulletins/11019328.md), 2025-06-06, 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\-SB\-0024\-25](/bulletins/11018355.md), 2025-05-15, Service bulletin: ELECTRICAL SYSTEM. Some 2023 – 2025 model year RX 350, RX 350h, RX 500h, and 2024 – 2025 model year TX 350, TX 500h, and TX 550h\+ vehicles may exhibit a condition where the Blind Spot Monitor \(BSM\) system is inoperative, there is a BSM malfunction message on the multi\-information display \(MID\), or the driving assist information indicator is illuminated, along with one or more of the following Diagnostic Trouble Codes \(DTCs\) present: •C1AB413 – Outer Mirror Indicator \(Module "B" Side\) Circuit Open •C1AB513 – Outer Mirror Indicator \(Module "A" Side\) Circuit Open The BSM sensor software has been updated to reduce the possibility of these conditions.
- [L\-TT\-0340\-25](/bulletins/11018325.md), 2025-05-15, 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\-TT\-0335\-24 Rev1](/bulletins/11016799.md), 2025-04-08, Service bulletin: ELECTRICAL SYSTEM. Some 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.
- [L\-SB\-0036\-22 Rev2](/bulletins/11016784.md), 2025-04-08, 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 Rev1](/bulletins/11016780.md), 2025-04-08, 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\-TT\-0335\-24 Rev1](/bulletins/11015513.md), 2025-03-11, Service bulletin: ELECTRICAL SYSTEM. Some 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.
- [L\-SB\-0036\-22 Rev2](/bulletins/11015498.md), 2025-03-11, 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 Rev1](/bulletins/11015494.md), 2025-03-11, 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 Rev2](/bulletins/11014220.md), 2025-02-12, 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\-0035\-22 Rev2](/bulletins/11014191.md), 2025-02-12, Service bulletin: ELECTRICAL SYSTEM. When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS\+ Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU Security Key.
- [L\-TT\-0336\-24 Rev1](/bulletins/11011637.md), 2024-12-07, Service bulletin: ENGINE. After jump\-starting, the vehicle may experience a no\-start condition and multiple DTCs including U010087 \- Lost Communication with ECM/PCM "A" Missing Message. Upon investigation, it is found that the engine ECU has been damage and needs to be replaced. In several cases, the cause of the ECU damage was improper jump starting. Further investigation found that ECU damage may occur if the negative \(ground\) cable clamps are attached on or around the engine ECU or mounting bracket. To prevent this condition from occurring, it is recommended that the jumper cables be attached as described in the owner’s manual.
- [L\-TT\-0336\-24](/bulletins/11010366.md), 2024-11-08, Service bulletin: ENGINE. After jump\-starting, the vehicle may experience a no\-start condition and multiple DTCs including U010087 \- Lost Communication with ECM/PCM "A" Missing Message. Upon investigation, it is found that the engine ECU has been damage and needs to be replaced. In several cases, the cause of the ECU damage was improper jump starting. Further investigation found that ECU damage may occur if the negative \(ground\) cable clamps are attached on or around the engine ECU or mounting bracket.
- [L\-TT\-0335\-24](/bulletins/11010355.md), 2024-11-08, Service bulletin: ELECTRICAL SYSTEM. Some customers of Lexus GX and TX have expressed concern that their vehicle’s multimedia screen will get stuck on either day or night mode, intermittently.
- [24LC03](/bulletins/11010337.md), 2024-11-08, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 24LC03 MALFUNCTION INDICATOR LAMP \(MIL\) IS ON WITH DTC P05CE00 SOFTWARE UPDATE CERTAIN 2023\-2024 NX 350 VEHICLES CERTAIN 2023\-2024 RX350 VEHICLES CERTAIN 2024 TX 350 VEHICLES
- [L\-SB\-0033\-24](/bulletins/11010099.md), 2024-11-06, Service bulletin: POWER TRAIN. Some 2023 – 2024 RX 350, RX 350h, and 2024 TX 350 vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making turns. This condition may occur without a grease leak present on the front drive shaft assemblies. An updated front drive shaft assembly is available to resolve this condition.

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