1998 Lexus LS400 Technical Service Bulletins

29 technical service bulletins (TSBs) are on record for the 1998 Lexus LS400. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10214355Apr 13, 2022Equipment. Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
• 10207945Jan 12, 2022Wheels, Tires, Equipment. POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Lexus.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center in…
• 10176283May 1, 2020Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10174889Apr 6, 2020Equipment. TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates
• 10174888Apr 6, 2020Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, PG002-90, L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003 93, and PG002-90. The aforementioned bulletins are obsolete, and any printed versions should be discarded.
• 10131653Dec 5, 2017Equipment. TSB: Replacement Certification Labels. OBSOLETE NOTICE November 28, 2017: This bulletin is now obsolete. Please see L-SB-0179-17.
• 10132726Jul 7, 2015Equipment. TSB: 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.
• 10111398Apr 10, 2015Equipment, Electrical system. LSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase…
• 10111205Apr 10, 2015Electrical system, Equipment. LSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase…
• 10109384Nov 14, 2014Equipment. TSB: 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.
• 10205346Oct 16, 2014Transmission and drivetrain. Auto matic Transmission Replacement kPrecautions
• 10109447Oct 16, 2014Transmission and drivetrain. TSB: OBSOLETE NOTICE-October 16, 2014: This bulletin is now obsolete. Please see L-SB-0082-14.
• 10109445Oct 16, 2014Transmission and drivetrain. TSB: The purpose of this service bulletin is to provide information regarding the installation of the correct torque converter bolts during automatic transmission/transaxle assembly replacement. Incorrect torque converter bolts or missing washers can cause damage to the torque converter assembly. Use the information in this bulletin when installing an automatic transmission/transaxle assembly.
• 10109444Oct 16, 2014Transmission and drivetrain. TSB: The purpose of this bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL "ON" shifting issues and/or transmission damage. Use the information in this bulletin when installing an automatic transmission/transaxle assembly.
• 10132734Jul 25, 2014Equipment. TSB: 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.
• 10205331Jul 7, 2014Electrical system. Immobilizer and Smart Key Reset
• 10205330Jul 7, 2014Electrical system, Equipment. Immobilizer and Smart Key Reset
• 10205329Jul 4, 2014Electrical system. Immobilizer and Smart Key Reset.
• 10131964Jan 16, 2014Air bags. Lexus vehicles are equipped with Supplemental Restraint Systems (SRS), including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pre-tensioner devices did not perform as expected (including an unintended deployment event), please follow the steps in the recommendations section below.
• 10205352Dec 19, 2013Visibility (wipers, defrost, mirrors). Windshield Wiper Blade Maintenance and cleaning
• 10132006Dec 19, 2013Visibility (wipers, defrost, mirrors). This bulletin is now obsolete. Please see L-SB-0092-13.
• 10132004Dec 19, 2013Visibility (wipers, defrost, mirrors). The following procedures are recommended during routine maintenance or in the event of a customer concern for wiper performance.
• 10132074Nov 10, 2013Seats, Air bags. 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…
• 10132083Nov 7, 2013Equipment. Adhesive & sealant cross reference Information
• 10132108Oct 1, 2013Transmission and drivetrain. This bulletin is now obsolete. Please see L-SB-0082-14.
• 10205319Feb 21, 2013Brakes. Brake Pedal Force Gauge SST for Parking Brake Inspection.
• 10133849Feb 21, 2013Brakes, Equipment. A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system. This bulletin references the correct method for installing the Brake Pedal Force Gauge. Refer to the appropriate Repair Manual for parking brake pedal travel inspection and adjustment specification.
• 10133923Jan 16, 2013Air bags. Lexus vehicles are equipped with SRS, including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pretensioner devices did not per
• 10054797Nov 10, 2011Seats, Equipment. Lexus: information regarding the seat cover replacement, equipped with side air bags, the modifications that might negatively affect side air bag performance can result in severe injuries.

← All problems reported for the 1998 Lexus LS400