2018 Lexus RX350 Technical Service Bulletins

132 technical service bulletins (TSBs) are on record for the 2018 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.

• 10152553Nov 26, 2018Equipment. Dealer Daily Message: In our continuing effort to encourage increased customer participation in Special Service Campaigns, Lexus will be piloting a new method for contacting customers whose vehicles have compatible multimedia head units in Special Service Campaign JLH. This new method will leverage the Notification application in vehicles with these head units. See images below for examples of the messages that…
• 10152551Nov 26, 2018Electrical system. Dealer Packet: 11/26/2018 ? Owner notification section has been updated. ? CAL ID clarification has been provided in the Op Code section. The involved vehicles are equipped with Intelligent Clearance Sonar (ICS). Due to improper software programming in the ICS system, the ICS system may improperly activate when an involved vehicle enters certain types of carwash facilities and is placed into neutral.
• 10145761Sep 27, 2018Electrical system. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns.
• 10145743Aug 29, 2018Wheels, Transmission and drivetrain. TT: Some 2017-2018 model year RX vehicles may exhibit a click type noise that can be heard from the front wheel hub area when shifting gears from Drive to Reverse or Reverse to Drive, or when accelerating from a stop.
• 10149997Aug 17, 2018Lane departure. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.
• 10149198Aug 17, 2018Lane departure, Forward collision avoidance. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.
• 10142886Jun 20, 2018Equipment. TSB: Some 2016 ? 2018 model year RX 350 and RX 450h vehicles may exhibit decreased front windshield defroster performance at extremely low ambient temperatures. This condition may be the result of the fresh/recirculation servo actuator separating from the servo, causing the HVAC system to become stuck in recirculation. This condition does not affect the airflow of the defroster. Follow the Repair Procedure in this…
• 10142885Jun 20, 2018Equipment. TSB: REVISION NOTICE June 20, 2018 Rev1: ? Applicability has been updated to include 2019 model year Lexus vehicles. Any previous printed versions of this bulletin should be discarded. 2018 ? 2019 model year Lexus vehicles are equipped with factory installed XM Satellite Radio, including a 90-day free customer trial. As part of the Pre-Delivery Service (PDS) process, ensure that the XM Satellite Radio is activated…
• 10142884Jun 15, 2018Body and structure. TSB: Some 2016 ? 2018 model year RX 350 and RX 450h vehicles may exhibit a condition where water enters the door lock bezel. This condition may cause the door cable to become frozen and inoperable in freezing conditions. Follow the Repair Procedure in this bulletin to address this condition.
• 10141593May 18, 2018Engine cooling. TT: In some cases, customers may report the engine coolant temperature gauge on the combination meter intermittently reading max hot, or "in the red zone," (Fig.1) on a vehicle with no other symptoms of overheating.
• 10141592May 17, 2018Electrical system. TSB: REVISION NOTICE May 17, 2018 Rev1: * Applicability has been updated to include 2019 model year Lexus vehicles. Any previous printed versions of this bulletin should be discarded. A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and…
• 10141587May 16, 2018Wheels. TSB: REVISION NOTICE May 16, 2018 Rev1: * Applicability has been updated to include 2019 model year Lexus vehicles. Any previous printed versions of this bulletin should be discarded. 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…
• 10141586May 16, 2018Equipment. TSB: REVISION NOTICE May 16, 2018 Rev1: * Applicability has been updated to include 2019 model year Lexus vehicles. Any previous printed versions of this bulletin should be discarded. 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…
• 10141573May 8, 2018Electrical system. TSB: REVISION NOTICE May 08, 2018 Rev1: * Applicability has been updated to include 2017 - 2018 model year vehicles. * The Introduction and Download/Installation Procedure sections have been updated. Any previous printed versions of this bulletin should be discarded. A download and installation are required to activate the Enform suite of apps and data services before they are used for the first time on new vehicles.
• 10197471Mar 22, 2018Equipment. Diagnosis of bluetooth connectivity complaints.
• 10130010Feb 28, 2018Engine. TSB: Some 2016 - 2017 model year GS 350 and 2016 - 2018 model year RX 350 vehicles may exhibit a knocking noise from the vacuum pump. Follow the Repair Procedure in this bulletin to address this condition.
• 10131760Feb 12, 2018Equipment. TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory. 1. First type is generation 6 or 7 which utilizes HDD (Hard Disc Drive). Pioneer models that begin with NXH, have Map Data, Operating System and other Information in the Hard Disc Drive. With this system if a radio is being sent back for an exchange. The original Hard Disc Drive needs to…
• 10129218Jan 25, 2018Engine cooling. TSB: Some 2016 - 2018 model year RX 350 vehicles may exhibit a droning noise from the exhaust system at takeoff or under light acceleration. Countermeasure parts are available to reduce the droning noise. Follow the Repair Procedure below to address this condition.
• 10131726Jan 22, 2018Electrical system, Transmission and drivetrain. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. L-SB-0021-14. * Applicability has been updated to include applicable 2018 models and 2016 * 2018 model year RC 300 and 2015 * 2018 model year RC 350 vehicles. * Applicability has been updated to exclude 2001 - 2003 model year ES 300 vehicles. Service Bulletin No. L-SB-0021-14 is obsolete and any printed versions…
• 10131724Jan 19, 2018Equipment. TSB: REVISION NOTICE January 19, 2018 Rev1: ? Applicability has been updated to include 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. The purpose of this 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…
• 10131672Jan 9, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10131649Dec 1, 2017Equipment. TSB: The front license plate mounting bracket and two self-tapping screws for the 2018 model year RX 350 and RX 450h are stored in the glove compartment of the vehicle. Install the license plate and mounting bracket during Pre-Delivery Service (PDS).
• 10133652Nov 21, 2017Electrical system. TSB: To minimize battery discharge during transportation and storage, the D/C Cut Fuse (10A) has been removed at the assembly plant and temporarily stored in the engine compartment Relay Block. Reinstall the D/C Cut Fuse (10A) into its original location and clear all related Diagnostic Trouble Codes (DTCs) during Pre-Delivery Service (PDS).
• 10142501Apr 12, 2017Equipment. TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added to the A/C system. Adding stop leak products to the A/C system is not a recommended or approved Lexus repair process. During A/C service, moisture enters the A/C system, and can react with the previously added A/C stop leak, forming a gelatinous substance. The gel substance that forms can cause the A/C…
• 10142489Apr 4, 2017Equipment, Electrical system. TT: Rev1 iPhone text messages do not appear on multimedia display.
• 10131895Mar 30, 2017Electrical system. This bulletin is regarding the Diagnosis of Bluetooth Connectivity Complaints: 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 customer?s phone such as ability to change the track using the steering wheel…
• 10131789Feb 22, 2017Equipment. 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 vehicle systems and components. ANY problems that are found should be corrected immediately.
• 10131787Feb 21, 2017Equipment. TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory.
• 10152236Jan 31, 2017Electrical system. TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 10152225Jan 25, 2017Tires. TSB: 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. Refer to the following procedure to ensure
• 10152223Jan 24, 2017Equipment. TSB: 2018 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, the passenger?s side and rear seat floor mats to the vehicle carpet using the…
• 10152215Jan 19, 2017Equipment. TSB: 2018 model year Lexus vehicles are equipped with factory installed XM Satellite Radio, including a 90-day free customer trial. As part of the Pre-Delivery Service (PDS) process, ensure that the XM Satellite Radio is activated and ready for use.

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