2012 Lexus ES350 Technical Service Bulletins

208 technical service bulletins (TSBs) are on record for the 2012 Lexus ES350. 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.

• 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.
• 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).
• 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.
• 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.
• 10109443Oct 15, 2014Transmission and drivetrain. TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 - 2014 model year remanufactured automatic transmissions.
• 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.
• 10109433Oct 3, 2014Equipment, Electrical system. TSB: 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 the direct shipment of two Map Data DVDs to each dealership service manager. The…
• 10109468Oct 2, 2014Electrical system, Equipment. Tech Tip: 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.
• 10109432Oct 2, 2014Equipment, Electrical system. TSB: Certain 2010 ? 2013 model year Lexus models may exhibit one or more of the following conditions: ? Steering wheel volume controls are intermittently inoperative. ? Navigation system region code intermittently will reset to region US9. ? XM NavTraffic® will not function properly after renewing XM traffic subscription. ? Slow response from Bluetooth® address book voice commands. ? Black screen condition after…
• 10205341Oct 1, 2014Equipment. HDD Navigation Program Setup
• 10109427Oct 1, 2014Electrical system, Equipment. TSB: OBSOLETE NOTICE-October 1, 2014: This bulletin is now obsolete. Please see L-SB-0072-14.
• 10109426Oct 1, 2014Transmission and drivetrain. TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 - 2014 model year automatic transmissions.
• 10109422Oct 1, 2014Electrical system, Equipment. TSB: Lexus models equipped with Hard Disk Drive (HDD) Navigation may have their map data, Compact Disc Database (CDDB), and navigation head unit software updated using the Navigation Update Tool and the HDD Navigation Programs Installer. The Navigation Programs Installer is a PC application available on the Technical Information System (TIS) and must be installed on Techstream or an equivalent PC.
• 10109592Aug 11, 2014Engine cooling. Tech Tip: Starting with the 2010 Model Year, Lexus began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil, including: Reduced friction and wear on engine surfaces, improved fuel economy, Reduction in waste oil stream (in vehicles approved for 10,000 mile oil change intervals), Reduced maintenance cost (in vehicles approved for 10,000 mile oil change…
• 10205375Jul 28, 2014Visibility (wipers, defrost, mirrors). Window and Windshield kProduct Report Tips - Multiple Vehicles
• 10132745Jul 28, 2014Electrical system, Visibility (wipers, defrost, mirrors). Tech Tip: Tips for writing a DPR (Dealer Product Report) on manufacturing issues for windows and windshields.
• 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.
• 10132744Jul 22, 2014Equipment. Tech Tip: Safety Connect/Lexus Enform is a vehicle feature which requires a subscription fee for the system to be active. The first year of service is provided in a the vehicle purchase price. Once the subscription has lapsed the DCM will be an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service.
• 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.
• 10132780Jun 16, 2014Equipment. TSB: Some 2010 ? 2013 model year vehicles equipped with Generation 6 navigation that have been updated using the 13.1 map data may exhibit a missing character data (street/city names, freeway shields, and landmark icons) condition. A new master DVD set is now available to update the Navigation Update Tool. Customers using 13.1 version 13.09.10 map data may notice missing character data in certain geographical areas.
• 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).
• 10132808May 12, 2014Fuel system, Engine cooling. TSB: 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, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in this bulletin for proper…
• 10133763Apr 23, 2014Transmission and drivetrain. This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature.
• 10133706Apr 23, 2014Transmission and drivetrain. This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature.
• 10133770Apr 21, 2014Equipment. Some technicians are unaware of current 12V battery warranty policies affecting batteries, some of which have been updated on Warranty Policy 4.10.
• 10133713Apr 21, 2014Electrical system. Some technicians are unaware of current 12V battery warranty policies affecting batteries, some of which have been updated on Warranty Policy 4.10.
• 10133748Mar 26, 2014Engine. Prior to installing remanufactured U660 and U760 transaxles, it is necessary to remove the lower oil cooler tube union from the original transaxle case and install it into the reman unit. A NEW O-ring and printed installation instructions are supplied in separate bag with the reman unit. An instruction tag is also affixed to the unit.
• 10133747Mar 19, 2014Electrical system, Equipment. A new 13.1 Generation 6 Navigation Update Tool Master DVD has been released. The version number has changed to 13.09.11. The original 13.1 Generation 6 Navigation Update Tool Master DVD, version 13.09.10 is now obsolete.
• 10133744Mar 6, 2014Electrical system. Customers complain of Bluetooth connectivity concerns such as: difficulty to pair the phone. Intermittent Bluetooth failure to connect to the vehicle when first turning on the vehicle. These concerns can be caused by changes made on the customer's phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or they have restore their…
• 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, 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
• 10205129Oct 25, 2013Equipment. HDD Navigation Map Update Process - Lexus models equipped with Hard Disk Drive (HOD) 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 HOD system.
• 10132127Oct 25, 2013Equipment. This bulletin is now obsolete. Please see L-SB-0082-13.

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