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.

• 10131836Mar 22, 2017Body and structure. TSB: REVISION NOTICE March 22, 2017 Rev2: ? Applicability has been updated to include 2016-2017 model year Lexus vehicles. ? February 11, 2015 Rev1: Applicability has been updated to include 2006 ? 2015 model year Lexus vehicles. 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…
• 10131864Mar 13, 2017Equipment. TSB: REVISION NOTICE March 13, 2017 ? Applicability has been updated to include 2015-2017 model year Lexus vehicles. Some vehicles in particular geographic areas may exhibit a condition where the HVAC Evaporator Drain Hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is now available to help minimize future occurrences of this environmental condition. For some models…
• 10131787Feb 21, 2017Equipment. TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory.
• 10132902Nov 10, 2016Equipment. TSB: REVISION NOTICE November 10, 2016 Rev1: ? Applicability has been updated to include 2015 ? 2017 model year applicable Lexus vehicles. ? The Parts Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2006 ? 2017 model year Lexus vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors.
• 10132855Oct 11, 2016Back-over prevention (rear camera), Electrical system, Vehicle speed control. TSB: REVISION NOTICE October 11, 2016 Rev1: ? Applicability has been updated to include 2011 ? 2015 model year RX 330 and RX 350 vehicles. Any previous printed versions of this bulletin should be discarded. Some RX 330/350 vehicles may exhibit a rattle or buzz type noise coming from the driver?s side instrument panel area.
• 10132848Oct 5, 2016Equipment, Electrical system. TSB: OBSOLETE NOTICE October 5, 2016: This bulletin is now obsolete. Please see L-SB-0086-16.
• 10111274Sep 30, 2016Equipment, Electrical system. TSB: Lexus models equipped with Hard Disk Drive (HDD) Navigation require a Special Service Tool and follow a unique process for updating the map, points of interest, and system software. Instead of individual DVDs installed into the vehicle, ALL map data is uploaded directly to the HDD system.
• 10111272Sep 30, 2016Equipment. TSB: Some 2010 - 2015 model year Lexus vehicles with the RES+ accessory may exhibit a condition of not being able to remote start the vehicle through their smart phone application in some areas. The user will receive a mobile device message "Waiting the answer from VIN", indicating the network was unable to connect to their vehicle. The cause of this may be related to the provider's 3G and 4G wireless…
• 10132625Sep 19, 2016Equipment. TSB: Revision Notice: Applicability section has been updated to include 2016-2017 applicable model year Lexus vehicles. The Repair Procedure section, Required Tools & Equipment section, and the Repair Procedure section has been updated. 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…
• 10140576May 6, 2016Electrical system. TT: Some customers may experience difficulty programming HomeLink.
• 10093004May 6, 2016Electrical system, Equipment. Tt: some customers may experience difficulty programming homelink.
• 10134416Apr 26, 2016Equipment. TT: When replacing the Hard Disk Drive (HDD) follow the instructions below.
• 10134399Apr 13, 2016Transmission and drivetrain. TSB: This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature. Note: The following adjustment procedures are for U660E/F transmissions.
• 10205325Mar 17, 2016Equipment, Seats. Leather Care Best Practices.
• 10134319Mar 17, 2016Equipment. LSB: The purpose of this Technical Service Bulletin is to elevate awareness and provide best practices for leather care in Lexus vehicles. As an additional resource, if the vehicle is equipped with factory leather seats, the vehicle Owner's Manual will highlight the importance of proper maintenance and provide guidance for care.
• 10097044Mar 17, 2016Equipment. Lsb: the purpose of this technical service bulletin is to elevate awareness and provide best practices for leather care in lexus vehicles. As an additional resource, if the vehicle is equipped with factory leather seats, the vehicle owner's manual will highlight the importance of proper maintenance and provide guidance for care.
• 10134317Mar 4, 2016Electrical system, Equipment. LSB: While a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage period, temperature, paristic drain, or while demonstrating vehicle features and bnefits in the sales process. Battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 10097039Mar 4, 2016Electrical system. Lsb: while a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage period, temperature, paristic drain, or while demonstrating vehicle features and bnefits in the sales process. Battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 10111513Nov 12, 2015Equipment, Electrical system. TT: Some customers may encounter Bluetooth connectivity concerns such as: Difficulty to pair the phone. Intermittent Bluetooth failure to connect to the vehicle when first turning on the vehicle. Various Bluetooth Audio functions are no longer functioning with the customer's phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer's…
• 10094047Nov 12, 2015Equipment. Tt: some customers may encounter bluetooth connectivity concerns such as: difficulty to pair the phone. Intermittent bluetooth failure to connect to the vehicle when first turning on the vehicle. Various bluetooth audio functions are no longer functioning with the customer's phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer's…
• 10111502Nov 2, 2015Electrical system, Equipment. LSB: Lexus models equipped with Hard Disk Drive (HDD) Navigation require a Special Service Tool and follow a unique process for updating map, points of interest, and system software. Instead of individual DVDs installed into the vehicle, all Map Data is uploaded directly to the HDD system. Map Data will be released annually through direct shipment of tow Map Data DVDs to each dealership service manager. The annual…
• 10111501Nov 2, 2015Equipment, Electrical system. LSB: Certain 2010-2013 model year Lexus models may exhibit one or more of several conditions. Navigation firmware has been updated to allow updating map to version 10.1 or later. Updated navigation system software has also been developed to remedy these conditions. Use the following procedure to address these conditions.
• 10093968Nov 2, 2015Equipment. Lsb: lexus models equipped with hard disk drive (hdd) navigation require a special service tool and follow a unique process for updating map, points of interest, and system software. Instead of individual dvds installed into the vehicle, all map data is uploaded directly to the hdd system. Map data will be released annually through direct shipment of tow map data dvds to each dealership service manager. The annual…
• 10093963Nov 2, 2015Equipment. Lsb: certain 2010-2013 model year lexus models may exhibit one or more of several conditions. Navigation firmware has been updated to allow updating map to version 10.1 or later. Updated navigation system software has also been developed to remedy these conditions. Use the following procedure to address these conditions.
• 10134167Jul 14, 2015Electrical system. TT: Techstream Health Check Results screen shows "Yes" for a Telematics ECU (DCM) Calibration update regardless of whether a calibration update is available or not. The issue is related to the Techstream software and will be corrected in a future Techstream software release.
• 10132562Jul 14, 2015Electrical system. TT: Techstream Health Check Results screen shows "Yes" for a Telematics ECU (DCM) Calibration update regardless of whether a calibration update is available or not. The issue is related to the Techstream software and will be corrected in a future Techstream software release.
• 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.
• 10205326Jun 29, 2015Equipment, Electrical system. Battery Maintenance for In-Stock Vehicles.
• 10111303Jun 29, 2015Electrical system. LSB: While a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage period, temperature, parasitic drain, or while demonstrating vehicle features and benefits in the sales process. Battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 10111153Jun 29, 2015Electrical system. LSB: While a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage period, temperature, parasitic drain, or while demonstrating vehicle features and benefits in the sales process. Battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 10111298Jun 16, 2015Electrical system, Equipment. LSB: Some 2010 - 2015 applicable Lexus vehicles equipped with a Remote Engine Starter (RES+) includes CarFinder, a feature which utilizes GPS technology to help locate a customer's vehicle on a map. If a customer has a Carfinder that is inoperative, follow the procedure in this bulletin to address the condition.
• 10111148Jun 16, 2015Electrical system, Equipment. LSB: Some 2010 - 2015 applicable Lexus vehicles equipped with a Remote Engine Starter (RES+) includes CarFinder, a feature which utilizes GPS technology to help locate a customer's vehicle on a map. If a customer has a Carfinder that is inoperative, follow the procedure in this bulletin to address the condition.
• 10134473May 13, 2015Equipment. LSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10132575May 13, 2015Equipment. LSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10111378Apr 17, 2015Brakes. DL: Safety Recall completion is important not only in satisfying government requirements but also as an integral part of our commitment to meet customer expectations of Lexus products. Lexus will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had recall campaign repairs completed. We request your dealer's assistance in completing the applicable recall campaign repairs as…
• 10111374Apr 17, 2015Brakes. RL: Safety Recall completion is important not only in satisfying government requirements but also as an integral part of our commitment to meet customer expectations of Lexus products. Lexus will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had recall campaign repairs completed. We request your dealer's assistance in completing the applicable recall campaign repairs as…
• 10111112Apr 17, 2015Brakes. DL: Safety Recall completion is important not only in satisfying government requirements but also as an integral part of our commitment to meet customer expectations of Lexus products. Lexus will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had recall campaign repairs completed. We request your dealer's assistance in completing the applicable recall campaign repairs as…
• 10111108Apr 17, 2015Brakes. RL: Safety Recall completion is important not only in satisfying government requirements but also as an integral part of our commitment to meet customer expectations of Lexus products. Lexus will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had recall campaign repairs completed. We request your dealer's assistance in completing the applicable recall campaign repairs as…
• 10111398Apr 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…
• 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…
• 10111368Feb 27, 2015Equipment. TT: Some customers may encounter Bluetooth connectivity concerns such as: Difficulty to pair the phone, Intermittent Bluetooth failure to connect to the vehicle when first turning on the vehicle, Various Bluetooth Audio functions are no longer functioning with the customer's phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer's…
• 10111232Feb 27, 2015Equipment. TT: Some customers may encounter Bluetooth connectivity concerns such as: Difficulty to pair the phone, Intermittent Bluetooth failure to connect to the vehicle when first turning on the vehicle, Various Bluetooth Audio functions are no longer functioning with the customer's phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer's…
• 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.
• 10111341Jan 5, 2015Equipment, Electrical system. TT: Techstream Health Check Results screenshots "Yes" for a Telematics ECU (DCM) Calibration update regardless of whether a calibration update is available or not. The issue is related to the Techstream software and will be corrected in a future Techstream software release.
• 10111251Jan 5, 2015Equipment, Electrical system. TT: Techstream Health Check Results screenshots "Yes" for a Telematics ECU (DCM) Calibration update regardless of whether a calibration update is available or not. The issue is related to the Techstream software and will be corrected in a future Techstream software release.
• 10109385Nov 21, 2014Brakes. TSB: Some 2010 - 2015 model year RX 350 vehicles may exhibit an abnormal noise from the rear cabin area of the vehicle when moving forward and lightly braking. The noise is usually described as a thump noise at the end of a stop as the rear suspension returns to a rest position. A new Rear Disc Brake Anti-Squeal Shim Kit, Rear Disc Brake Pad Fitting Kit, and Rear Disc Brake Cylinder Mounting Brackets are available…
• 10061740Nov 21, 2014Suspension. Summary to be provided on a future date.

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