Service bulletin LSB004523

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10249322
Published by NHTSA	2024-01-29
Manufacturer's number	LSB004523
Manufacturer's date	2024-12-14
NHTSA component	EQUIPMENT; ELECTRICAL SYSTEM; STRUCTURE

NHTSA's summary

TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ?Careful inspection for paint chips/scratches and body dents/dings. ?Proper operation of electrical accessories (including interior light, clock, and radio reset). ?Interior cleanliness. ?Proper function of mechanical systems. Customer retention and proper maintenance of vehicles are, and have always been, a major focus for Lexus. To help remind customers that regular service is essential to the proper maintenance of the vehicle, dealers are required to input their dealer information and set the service reminder on the Navigation Screen before delivery. By doing this, customers will be reminded to return to your dealership for service. (See Page 2 of the TX 350/TX 500h/TX 550h+ PDS Check Sheet ?Set Dealer and Service Reminder.?) This bulletin contains the PDS procedures that apply specifically to the 2024 model year TX 350, TX 500h, and TX 550h+ vehicles. To properly perform a complete PDS, you must complete all procedures contained in this TSB as well as the TX350/500h/550h+ PDS Check Sheet. In addition, if the vehicle is stored for over 30 days, be sure to follow Long-Term Vehicle Storage Guidelines.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame, Electrical system, Equipment and accessories

Vehicles listed
LEXUS TX	2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V595000	2025-09-11. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
L-SB-0049-25 Rev1	2026-10-08. Service bulletin. 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-0030-24 Rev2	2026-01-09. Service bulletin. 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	2025-12-05. Service bulletin. 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	2025-09-09. Service bulletin. 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	2025-07-10. Service bulletin. 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-0029-25	2025-07-10. Service bulletin. 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	2025-06-06. Service bulletin. 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	2025-06-06. Service bulletin. 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	2025-05-15. Service bulletin. 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	2025-05-15. Service bulletin. 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.