2008 Lexus GS450H Technical Service Bulletins

103 technical service bulletins (TSBs) are on record for the 2008 Lexus GS450H. 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.

• 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…
• 10111362Feb 11, 2015Body and structure. LSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat. The stain patterns are usually under wrinkles in the Rapgard. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be removed by heating the stained surface to…
• 10111226Feb 11, 2015Body and structure. LSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat. The stain patterns are usually under wrinkles in the Rapgard. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be removed by heating the stained surface to…
• 10111342Jan 6, 2015Equipment. TT: Customer complains of various Bluetooth connectivity concerns after upgrading to iOS 8.0X. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10111252Jan 6, 2015Equipment, Electrical system. TT: Customer complains of various Bluetooth connectivity concerns after upgrading to iOS 8.0X. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 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.
• 10109449Oct 23, 2014Transmission and drivetrain, Electrical system, Equipment. TSB: 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).
• 10205385Oct 13, 2014Electrical system, Equipment. Bluetooth Connectivity for Apple Devices Upgraded to iOS 8.0.X
• 10109469Oct 13, 2014Equipment, Electrical system. Tech Tip: Customer complains of carious Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10109437Oct 7, 2014Equipment, Transmission and drivetrain. TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Here are some important tips when working with ATF-WS in Lexus vehicles requiring its use.
• 10109598Aug 5, 2014Equipment. Dealer Letter: As part of Lexus's on-going commitment to ensure high quality repairs and overall customer satisfaction, Lexus and <dealer name> are working together to conduct a random quality confirmation activity involving your <MY Model> <VIN> that previously had the ALE Valve Spring Replacement campaign performed.
• 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.
• 10205327Jun 12, 2014Electrical system, Equipment. Techstream ECU Flash Reprogramming Procedure.
• 10132778Jun 12, 2014Other or unknown. TSB: OBSOLETE NOTICE-June 12, 2014: This bulletin is now obsolete.
• 10132777Jun 12, 2014Electrical system. TSB: 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).
• 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.
• 10132005Dec 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
• 10205383Nov 2, 2013Visibility (wipers, defrost, mirrors). Spots in Window Glass - vehicle exterior
• 10132082Nov 2, 2013Visibility (wipers, defrost, mirrors). Spots in Window glass
• 10132146Oct 2, 2013Equipment, Engine cooling. If a customer states there is an unpleasant odor in the vehicle from the HVAC system, there are various factors that may be involved.
• 10205340Sep 12, 2013Equipment, Visibility (wipers, defrost, mirrors). HVAC Odor Maintenance
• 10132276Jul 25, 2013Equipment. Certain service publications, Technical Service Bulletins, Service Campaign Technical Instructions and Service & Parts Operation Communication Bulletins may reference specifically required adhesives and sealants
• 10132273Jul 2, 2013Tires, Equipment. Prior to tire rotation use the quick reference chart below to verify the size of the lug nut and the lug nut torque specifications. The quick reference chart is applicable to current generation vehicles only.
• 10132302Apr 2, 2013Visibility (wipers, defrost, mirrors), Back-over prevention (rear camera). If a creak, tick, or rattle noise is heard at the top or bottom of the windshield, the source of the noise may be the two windshield stoppers bonded to the top of the windshield or the windshield retainers bonded to the lower edge of the windshield. This bulletin provides the recommended repair procedure to eliminate these types of noises from the windshield area.
• 10133866Feb 27, 2013Electrical system. Navigation/ Multi Info Display Day Mode Operation
• 10205365Feb 25, 2013Electrical system. Vehicle no start, Start Stop Run Button LED - Lexus Models with Smart Key with LED
• 10133865Feb 25, 2013Steering. The vehicle will not start or ready-on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side.
• 10205319Feb 21, 2013Brakes. Brake Pedal Force Gauge SST for Parking Brake Inspection.
• 10133849Feb 21, 2013Equipment, Brakes. 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.
• 10205312Feb 19, 2013Electrical system. Theft Deterrent/Keyless Entry.
• 10133846Feb 19, 2013Equipment. Some customers may inquire about the frequency and power output of the Smart Key/Smart Entry systems used on various models. The Smart Key/Smart Entry systems conform to all applicable FCC rules. This bulletin details the applicable specifications for these systems.
• 10133926Jan 25, 2013Equipment. In the recent Bi-annual Floor Mat reminder letter distributed November, 2012, Lexus indicated that we were developing support materials that will help remind dealership customers and associates of the importance of proper floor mat usage.
• 10133914Jan 23, 2013Electrical system. 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 reprograming process and outlines use of the TIS and the CUW.
• 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
• 10133910Jan 16, 2013Electrical system. 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 the…
• 10133922Jan 10, 2013Equipment. technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV Battery Replacement.
• 10045639Jul 10, 2012Vehicle speed control. 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.
• 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.
• 10037563Mar 23, 2011Steering. Lexus: steering will be notchy or will not smoothly self-center when on the highway. There is a repair procedure.
• 10205297Jan 6, 2011Transmission and drivetrain. World Standard Automatic Transmission Fluid
• 10037625Jan 6, 2011Transmission and drivetrain. Lexus: information on an improved transmission fluid.
• 10037241Oct 25, 2010Electrical system, Engine cooling. Toyota: there is a malfunction light on with a battery pack deterioration code.

← All problems reported for the 2008 Lexus GS450H