2012 Lexus RX350 Technical Service Bulletins

221 technical service bulletins (TSBs) are on record for the 2012 Lexus RX350. 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.

• 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…
• 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.
• 10133959Dec 20, 2012Transmission and drivetrain. Some 2012 model year RX 350 vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P219A or P219B present. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Please follow the repair procedure below to address this condition.
• 10061615Dec 20, 2012Engine. Summary to be provided on a future date.
• 10053733Dec 20, 2012Engine, Transmission and drivetrain. Lexus: on some vehicles, the repair procedure addresses the condition of mil on with diagnostic trouble code (dtc) p219a or p219b and to reduce the occurring condition, the ecm (pcm) logic was modified. Module 2012-2013 es350, rx350.
• 10205354Sep 25, 2012Equipment. HDD Navigation Kprogrlam Setup
• 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.
• 10043658Feb 24, 2012Other or unknown. Lexus: smart key inoperative on ct200h, gx460, hs250h, ls460, ls600h, rx350, and rx450h models.
• 10205356Dec 14, 2011Equipment. HOD Navigation Map Update Process
• 10132076Dec 14, 2011Equipment. This bulletin is now obsolete. Please see L-SB-0083-13.
• 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.
• 10205297Jan 6, 2011Transmission and drivetrain. World Standard Automatic Transmission Fluid

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