2012 Lexus GX460 Technical Service Bulletins

209 technical service bulletins (TSBs) are on record for the 2012 Lexus GX460. 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.

• 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…
• 10131963Jan 2, 2013Equipment. MY 2013 Gen 7 navigation systems use a USB SST to update the firmware and map. MY 2014 IS and GX models incorporate a Gen 8 navigation system that uses a USB stick to update the firmware ONLY. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10205354Sep 25, 2012Equipment. HDD Navigation Kprogrlam Setup
• 10205356Dec 14, 2011Equipment. HOD Navigation Map Update Process
• 10132076Dec 14, 2011Equipment. This bulletin is now obsolete. Please see L-SB-0083-13.
• 10205297Jan 6, 2011Transmission and drivetrain. World Standard Automatic Transmission Fluid

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