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Service bulletins for the 2003 Lexus GX

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.

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

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Bulletins, newest first
ZLD-Lexus POL14-2018-11-05. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Warranty Policy Bulletin: Lexus has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity. NOTE: The same voluntary Warranty Enhancement Program coverage described herein is also applicable to certain 2006-2008 MY IS 250/350 and certain 2007 MY LS 460 vehicles for cracked and/or sticky/melting front and rear interior door panels as a result of heat or humidity.
ZLD_Warranty Pol2018-04-23. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. WPB: Background: Lexus has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity. In Mid-December, 2014 Lexus announced the reimbursement phase of this warranty enhancement program. Since this announcement, Lexus has been diligently making parts preparations for the parts replacement phase of this program. Due to the age, volume, and breadth of the covered vehicles involved in the Program, and the size and complexity of dashboard manufacturing, Lexus will be launching the part replacement portion of this Program in several phases; please refer to the table below for part replacement model phasing.
L-SB-0179-172018-04-23. Service bulletin. EQUIPMENT:OTHER:LABELS. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, and PG002-90. Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, and PG002-90 are obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Vehicle replacement certification labels (vinyl label installed on driver door or door post) and VIN lates (metal plate riveted to dashboard) may be available from Lexus, provided the request meets one of the criteria listed in this Service Bulletin.
L-SB-0113-12_Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM. TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. In the event that a Lexus vehicle becomes submerged in water, many components may be physically damaged. Electrical and electronic components, including wiring harnesses, are particularly susceptible to corrosion and subsequent malfunction. Although any flooding can be damaging, salt water flooding elevates the potential for abnormal conditions and may increase risks due to its highly corrosive and conductive nature. Salt residue also continues to corrode and remain conductive even after a vehicle dries. This bulletin is intended to assist with safe handling and inspection of flood damaged vehicles and to provide basic guidance on likely needed repairs.
L-SB-0021-14 Rev2018-04-02. Service bulletin. EQUIPMENT. TSB: Revision Notice: Applicability section has been updated to include 2016-2017 applicable model year Lexus vehicles. The Repair Procedure section, Required Tools & Equipment section, and the Repair Procedure section has been updated. Flash reprogramming allows the 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 Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information.
L-SB-0143-11 Rev2018-04-02. Service bulletin. SEATS; AIR BAGS:SIDE/WINDOW. Beginning in 1998, Lexus introduced side airbags as optional equipment. Lexus does NOT recommend replacement of original seat covers with non-Lexus leather or other seat cover materials on vehicles due to the following: Seat covers NOT recommended by Lexus may affect side airbag performance, in general or in part, during an accident. Modifications that negatively affect side airbag performance can result in severe occupant injuries. Seat covers are an integral part of this safety system. Replacing fabric seat covers with non-Lexus leather or other seat cover materials may compromise the effectiveness of this safety system. The design of the seat is complex, integrating safety and strength with comfort and luxury. Lexus strongly discourages modifying original equipment seats that have optional side airbags. Additionally, Lexus strongly advises against the installation or use of aftermarket seat covers, which could impair the performance of the side airbags in the event of an accident.
ZLD Dealer Daily2018-04-02. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Dealer Daily: Rev March 23, 2017 Voluntary Extension of Warranty Coverage for Cracked and/or Sticky/Melting Dashboards (Instrument Panels) as a Result of Heat or Humidity.
ZLD_POL14-03_War2018-04-02. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Warranty Policy Bulletin POL14-11: REVISED December 10, 2014: Toyota has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity. NOTE: The same voluntary Warranty Enhancement Program coverage described herein is also applicable to certain 2006-2008 MY IS 250/350 and certain 2007 MY LS 460 vehicles for cracked and/or sticky/melting front and rear interior door panels as a result of heat or humidity.
ZLD Dealer Daily2018-04-02. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Dealer Daily: Voluntary Extension of Warranty Coverage for Cracked and/or Sticky/Melting Dashboards (Instrument Panels) as a Result of Heat or Humidity.
L-SB-0021-14_Obs2018-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: OBSOLETE NOTICE January 22, 2018: This bulletin is now obsolete. Please see L-SB-0001-18.
LSB-0059-122012-09-12. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. LEXUS: PRECAUTION INFORMATION ON REMOVAL, INSPECTION, INSTALLATION OF ACCELERATOR PEDAL SENSOR ASSEMBLY, WHICH REQUIRES NO LUBRICATION. MODELS 2001-13 CT200H, ES300, 300H, 330, 350, GS300, 350, 450, 450H, 460, GX460, 470, HS250H, IS F, IS250, 250C, 350, 350C, LFA, LS430, 460, 600H, LX470, 570, RX330, 350, 400H, 450H, SC430. *PE
LSB-0030-112011-07-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. TOYOTA: TRANSMISSION OR PARK/NEUTRAL SWITCH INSTALLATION INFORMATION. *RM

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