2003 Lexus GX470 Technical Service Bulletins

105 technical service bulletins (TSBs) are on record for the 2003 Lexus GX470. 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.

• 10134207Dec 9, 2014Electrical system. Dealer Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program.
• 10134204Dec 9, 2014Electrical system. Region Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program.
• 10132635Dec 9, 2014Electrical system. Dealer Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program.
• 10132632Dec 9, 2014Electrical system. Region Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program.
• 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, 2014Electrical system, Equipment, Transmission and drivetrain. 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).
• 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.
• 10109446Oct 16, 2014Transmission and drivetrain. TSB: The purpose of this bulletin is to provide information regarding transmission and/or park neutral position switch installation. If the manual shift lever is rotated prior to installing the park neutral position switch, the detent spring may become detached from the manual shift lever. Use the information in this bulletin when installing an automatic transmission and/or park neutral position switch assembly.
• 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.
• 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.
• 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, 2013Air bags, Seats. 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
• 10132108Oct 1, 2013Transmission and drivetrain. This bulletin is now obsolete. Please see L-SB-0082-14.
• 10132302Apr 2, 2013Back-over prevention (rear camera), Visibility (wipers, defrost, mirrors). 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
• 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.
• 10205362Jan 28, 2013Equipment. Rear Seat Entertainment Parental Control Password Reset/Initialization
• 10133924Jan 28, 2013Equipment. Some customers may complain that the Rear Seat Entertainment system is inoperative if they have misplaced the parental passcode for the system.
• 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…
• 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, 2011Equipment, Seats. 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.
• 10039124May 31, 2011Transmission and drivetrain. Toyota: transmission or park/neutral switch installation information.
• 10034195Feb 12, 2010Engine cooling. Lexus: engine control. Some vehicles may exhibit a mil on condition with one or more of the following dtcs-p0442, p0455 or p0456.
• 10034245Feb 4, 2010Electrical system. Lexus: techstream ecu flash reprogramming procedure. 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.
• 10021759May 29, 2007Transmission and drivetrain. Rear driveshaft/propeller shaft clunk/thump noise.
• 10020146May 1, 2006Engine cooling. No start in sub-freezing ambient air temperatures.
• 10021707Apr 19, 2006Transmission and drivetrain. Rear driveshaft/propeller shaft clunk/thump noise.
• 10019646Mar 28, 2006Electrical system. M.I.l. On dtc b1153: seat position sensor.
• 10019657Mar 17, 2006Brakes. Inconsistent or unusual brake feeling.
• 10016988Sep 28, 2005Engine cooling. No start in sub-freezing ambient air temperatures.
• 10016599Aug 30, 2005Visibility (wipers, defrost, mirrors). Diagnostics - wiper and washer system. Repair manual correction. 00245-rm100-6u1 - '03 gx470. 00245-rm105-8u1 - '04 gx470. 00245-rm116-4u2 - '05 gx470.
• 10016596Aug 30, 2005Air bags. Supplemental restraint system. Repair manual correction. Lexus 2003 gx470 00245-rm100-6u1. Lexus 2004 gx470 00245-rm105-8u1.

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