2015 Lexus GS 350 Technical Service Bulletins

240 technical service bulletins (TSBs) are on record for the 2015 Lexus GS 350. 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.

• 10109374Nov 6, 2014Wheels. During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation. Please refer to the following procedure to ensure that the original tires stay in the same location…
• 10109373Nov 6, 2014Equipment. TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle's systems and components. Any problems that are found should be corrected immediately.
• 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
• 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.
• 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.
• 10109506Sep 25, 2014Tires. TSB: 2015 model year GS 350 and GS 450h vehicles are equipped with a direct-type Tire Pressure Warning System (TPWS). Each tire (except the spare tire) has a tire pressure warning valve/sensor that measures tire pressure. The data is transmitted to the Tire Pressure Warning System antenna/receiver and then to the Tire Pressure Warning System ECU.
• 10109505Sep 25, 2014Wheels, Brakes. TSB: The front wheel opening extension pad set (right and left front wheel opening extension pads, 8 self-tapping screws) is placed in the luggage compartment at the assembly plant to avoid damage in transit. Install the front wheel opening extension pads on the vehicle.
• 10061679Sep 25, 2014Tires. Summary to be provided on a future date.
• 10061677Sep 25, 2014Wheels, Equipment. Summary to be provided on a future date.
• 10109504Sep 24, 2014Body and structure, Equipment. TSB: The front license plate mounting bracket and 2 self-tapping screws for the 2015 model year GS 350 and GS 450h are stored in the glove compartment of the vehicle. Install the license plate and mounting bracket during Pre-Delivery Service (PDS).
• 10109502Sep 23, 2014Engine, Electrical system. TSB: To minimize battery discharge during transportation and storage, the DCC fuse (30A) has been removed at the assembly plant, and temporarily stored in the blank space of the fuse block in the engine compartment. During Pre-Delivery Service (PDS), reinstall the DCC fuse into its original location.
• 10109501Sep 23, 2014Electrical system, Steering. TSB: The DCC fuses are removed at the assembly plant to reduce parasitic current draw from the battery during transport and storage. As a result of the removal of the DCC fuses, the Variable Gear Ratio Steering (VGRS) system will be inoperative and the steering wheel may be off-center. After the DCC fuses are reinstalled, the VGRS system will be operative, but the steering wheel may become off-center by 5 - 10…
• 10061769Sep 23, 2014Electrical system. Summary to be provided on a future date.
• 10061671Sep 23, 2014Steering. Summary to be provided on a future date.
• 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.
• 10205384Jul 22, 2014Equipment. DCM Activation is not Applicable when Safety Connect/Lexus enform service has expired
• 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.
• 10205327Jun 12, 2014Electrical system, Equipment. Techstream ECU Flash Reprogramming Procedure.
• 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).
• 10132821May 29, 2014Transmission and drivetrain. Tech Tip: (A) Some Customers/Technicians may experience a condition where the mirrors adjust to an unexpected position when the transmission is shifted into reverse. (B) Some Customers/Technicians may experience a condition where the mirrors do not change to the exact position in which the customer had set the memory to when the transmission is shifted into reverse.
• 10132820May 23, 2014Equipment. Tech Tip: Greenhouse Gas Logic (GHG) has been implemented on Toyota A/C Systems to reduce tailpipe emissions. The Federal government issues CAFÉ (Corporate Average Fuel Economy) credits to vehicle manufacturers that implement new technologies that reduce the carbon footprint of the vehicles they produce.
• 10205321Feb 13, 2014Equipment. Floor Mat Installation During PDS.
• 10205316Feb 13, 2014Equipment, Tires. Tire Positioning Before New Vehicle Delivery
• 10205125Feb 13, 2014Tires. Tire Positioning Before New Vehicle Delivery.
• 10205124Feb 13, 2014Equipment. Long Term Vehicle Storage Guidelines.
• 10131924Feb 13, 2014Equipment. 2015 model year vehicles are equipped with driver?s side floor mat retaining clips to secure the floor mat in the correct position. In addition, some models may utilize retaining clips for passenger side and rear seat floor mats as well. Follow the appropriate installation procedure to attach the driver?s side, and if applicable, passenger?s side and rear seat floor mats to the vehicle carpet using the floor mat…
• 10131921Feb 13, 2014Tires, Equipment. During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation. Please refer to the following procedure to ensure that the original tires stay in the same location…
• 10131919Feb 13, 2014Equipment. Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.
• 10065925Feb 13, 2014Tires. Summary to be provided on a future date.
• 10205297Jan 6, 2011Transmission and drivetrain. World Standard Automatic Transmission Fluid

← All problems reported for the 2015 Lexus GS 350