2019 Lexus RX350 Technical Service Bulletins

112 technical service bulletins (TSBs) are on record for the 2019 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.

• 10238138May 15, 2023Equipment. SPOC: Effective immediately, Lexus is issuing a stop sale on part numbers 85212-YZZ2L-LX & 85212-YZZ2M-LX, which may have a quality concern relating to a missing kit component (mispack). Lexus is requesting the return of ALL Dealer inventory of these parts to your facing PDC for credit and inspection.
• 10235224Feb 14, 2023Equipment. TSB: Some 2020 ? 2022 model year vehicles equipped with 17CY+ Panasonic Audio (versions less than 1226) and Navigation (versions less than 1225 or 1245 with 20 Teammate) may exhibit one or more of the following conditions: ?Navigation reset while entering a destination. ?Voice command does not recognize Starbucks. ??Unable to establish audio connection? message, and Alexa is unable to resume after Android AutoTM…
• 10235219Feb 9, 2023Fuel system. DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Lexus?s agreement to provide a Customer Support Program for certain 2013-2020 model year (MY) vehicles originally equipped with low pressure fuel pumps repaired under Safety Recall 20LA01 or Special Service Campaign 21LC01.
• 10235215Feb 9, 2023Electrical system, Fuel system. TSB: Some 2013 ? 2020 model year Lexus vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ?DTC P0087 Fuel Rail / System Pressure ? Too Low Techstream data list analysis may reveal positive fuel trims including a no pressure condition verified by a manual fuel pressure gauge. Follow the…
• 10235210Feb 2, 2023Back-over prevention (rear camera), Air bags. TSB: Some 2016 ? 2022 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 in this bulletin to address this condition.
• 10235209Feb 2, 2023Engine cooling. OBSOLETE NOTICE February 02, 2023: This bulletin is now obsolete. Please see L-SB-0003-23.
• 10224172Sep 15, 2022Exterior lighting, Body and structure. TSB: Some 2018 ? 2019 model year LS 500 and LS 500h and 2019 ? 2022 model year RX 350 and RX 450h vehicles may exhibit a condition where the rear combination lamp front corner on the right and/or left-hand side expands and contacts the body. This condition may occur in hot and/or sunny conditions and may result in paint chipping on the body panel. Follow the Repair Procedure in this bulletin to address this condition
• 10220211Aug 1, 2022Visibility (wipers, defrost, mirrors). TSB: Some 2017 ? 2022 model year RX 350 and RX 450h vehicles may exhibit water leaking from the moon roof when going through a high-pressure rinse cycle car wash. In most cases, a small amount of water is either missing or bouncing off the rain gutter and dripping into the interior (center console, seat, driver, etc.).
• 10217794Jul 15, 2022Transmission and drivetrain. TT: Some 2019-2022 model year RX350/L AWD equipped vehicles may have had the LX 75W-85 GL-5 gear oil used during assembly. ?The difference between the LT and LX type gear oil is only relevant to models equipped with Limited Slip type (Dynamic Torque Vectoring) AWD systems.
• 10224115Jun 24, 2022Body and structure. TSB: Some 2019 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 450h vehicles may exhibit a rattle noise from the sliding roof assembly when it is in the tilted open position while driving over a bumpy road. Follow the Repair Procedure in this bulletin to address this condition
• 10220190Jun 24, 2022Visibility (wipers, defrost, mirrors). TSB: Some 2019 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 450h vehicles may exhibit a rattle noise from the sliding roof assembly when it is in the tilted open position while driving over a bumpy road. Follow the Repair Procedure in this bulletin to address this condition
• 10224112Jun 20, 2022Engine cooling. TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine
• 10220187Jun 20, 2022Engine cooling. TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine
• 10214355Apr 13, 2022Equipment. Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
• 10214330Mar 21, 2022Engine cooling. TT: Some 17-22MY RX350 vehicles with engine serial numbers that start with F or G, may experience an engine oil leak condition from the No.2 Oil pan. This issue is currently under investigation. Please take detailed pictures of the location of the oil pan leak condition before repair. If the condition is on applicable vehicles with engine serial numbers that do not start with F or G, disregard and proceed with…
• 10210371Mar 8, 2022Engine. TT: Some 2017-2022 RX350 vehicles may experience an engine oil leak condition from the No.2 Oil pan. This issue is currently under investigation. Please take detailed pictures of the location of the oil pan leak condition before repair.
• 10209023Feb 24, 2022Air bags. TSB: Some 2005 ? 2022 model year Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this service bulletin is to provide general guidelines and procedures for odor remediation.
• 10207962Jan 28, 2022Electrical system. TSB: This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year Electronic Wiring Diagram (EWD) and/or Repair Manual.
• 10207945Jan 12, 2022Equipment, Tires, Wheels. POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Lexus.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center in…
• 10202486Sep 14, 2021Equipment, Fuel system. TSB: Some 2016 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Follow the Repair Procedure in this bulletin to address this condition.
• 10202453Sep 3, 2021Forward 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.
• 10201403Jul 26, 2021Equipment. OBSOLETE NOTICE July 26, 2021: This bulletin is now obsolete. Please see L-SB-0024-21.
• 10201401Jul 26, 2021Equipment. TSB: Some 2007 ? 2022 model year Lexus 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 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…
• 10201303Jul 26, 2021Transmission and drivetrain, Engine. TT: Some 2019-2022 model year RX350/L AWD equipped vehicles may have had the LX 75W-85 GL-5 gear oil used during assembly. ?The difference between the LT and LX type gear oil is only relevant to models equipped with Limited Slip type (Dynamic Torque Vectoring) AWD systems. ?For vehicles with standard Non-LSD AWD systems, the use of LX type gear oil proves no issue to substitute for the LT type gear oil typically…
• 10201394Jul 20, 2021Engine cooling. TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2021 model year Lexus vehicles equipped with an FKS engine.
• 10201338Jul 12, 2021Body and structure. TI: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 20LC02 FRONT INSIDE DOOR HANDLE MAY BECOME INOPERATIVE CERTAIN 2016-2019 MODEL YEAR RX350 and RX450h
• 10201355Jul 7, 2021Latches, locks and linkages. DP: There is a possibility that the front inside door handles may break where the latch release cable is attached if the handle is repeatedly used with high force. If this occurs, the inside door handle can become inoperative.
• 10201354Jul 7, 2021Latches, locks and linkages. TI: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 20LC02 FRONT INSIDE DOOR HANDLE MAY BECOME INOPERATIVE CERTAIN 2016-2019 MODEL YEAR RX350 and RX450h
• 10201353Jul 6, 2021Transmission and drivetrain. TT: Some 2015-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a ?Noise? or ?Abnormal Operation? condition from the rear differential front coupling. In some cases, even an ?AWD System Message? with or without a DTC may be present with or without other conditions present.
• 10198149May 24, 2021Equipment. Pol: updates to the 2014-2021 lexus universal flat rate manual
• 10198143May 20, 2021Engine cooling, Equipment. TSB: Some 2018 ? 2021 model year RX 350 vehicles may exhibit a MIL ON condition with one or more of the following companion cylinder misfire Diagnostic Trouble Code (DTC) combinations: ?P030100 and P030400 (Cylinders 1 and 4 Misfires Detected). ?P030200 and P030500 (Cylinders 2 and 5 Misfires Detected). ?P030300 and P030600 (Cylinders 3 and 6 Misfires Detected).
• 10190468Mar 31, 2021Air bags. Lexus Safety Recall and Service Campaign - Technician Certification Requirements
• 10190466Mar 29, 2021Seat belts, Vehicle speed control. TSB: Some 2016 ? 2021 model year North American Produced (NAP) TMMC-built RX 350 and RX 450h vehicles may exhibit a condition in which the hood release cable is binding, seizing, or sticking. The hood lock control cable assembly may be corroding and begin to seize, increasing the effort required to pull the release lever and release the hood latch. Follow the Repair Procedure in this bulletin to address this…
• 10190455Mar 16, 2021Wheels, Steering. 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 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…
• 10187462Dec 15, 2020Latches, locks and linkages, Body and structure. There is a possibility that the front inside door handles may break where the latch release cable is attached if the handle is repeatedly used with high force. If this occurs, the inside door handle can become inoperative.
• 10186198Dec 15, 2020Body and structure. DP: Lexus has received reports regarding rear inside door handles in certain 2016 ? 2019 model year RX 350 and RX 450h vehicles. These reports have indicated there is a possibility that the inside door handles can break where the latch release cable is attached if the handle is repeatedly used with high force. If this occurs, the inside door handle can become inoperative. Although the rear inside door handles are…
• 10186197Dec 15, 2020Body and structure. TI: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 20LC02 FRONT INSIDE DOOR HANDLE MAY BECOME INOPERATIVE CERTAIN 2016-2019 MODEL YEAR RX350 and RX450h
• 10186196Dec 15, 2020Body and structure. Faq: special service campaign 20lc02
• 10184547Nov 11, 2020Body and structure, Latches, locks and linkages. TSB: Some 2016 ? 2021 model year North American Produced (NAP) TMMC-built RX 350 and RX 450h vehicles may exhibit a condition where the hood release cable is binding, seizing, or sticking. The hood lock control cable assembly may be corroding and begin to seize, increasing the effort required to pull the release lever and release the hood latch. Follow the Repair Procedure in this bulletin to address this condition.
• 10182961Oct 30, 2020Visibility (wipers, defrost, mirrors), Equipment. TT: HVAC drain tube is found to blocked/clogged.
• 10183292Oct 27, 2020Back-over prevention (rear camera), Fuel system. TSB: Some 2016 ? 2021 model year RX 350 and 2018 ? 2021 model year RX 350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Follow the Repair Procedure in this bulletin to address this condition.
• 10183269Oct 16, 2020Fuel system. TSB: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Lexus vehicles.
• 10181777Sep 22, 2020Body and structure, Equipment. TSB: Some 2016 ? 2019 model year RX 350 and RX 450h vehicles may exhibit a condition in which the inside rear door handle does not open the door. This condition occurs when the rear door handle fatigues, allowing the inside door handle release cable to separate from the door handle body. Follow the Repair Procedure in this bulletin to address this condition.
• 10181738Sep 8, 2020Equipment, Electrical system. TSB: Some 2016 ? 2020 model year Lexus vehicles with navigation (version less than A1##8020) may exhibit one or more of the following conditions: ?Pink or purple flashing navigation screen. ?Black or blank navigation screen. ?Navigation reset or rebooted intermittently.
• 10179766Aug 12, 2020Equipment, Electrical system. TSB: Some 2018 ? 2020 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update; however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the head unit?s…
• 10179701Aug 7, 2020Engine. TT: The Lexus Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
• 10179605Aug 7, 2020Engine, Equipment. TT: The Lexus Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
• 10179697Aug 5, 2020Transmission and drivetrain. TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to be a ?leak? should be repaired accordingly and will be covered under warranty if applicable. Cases that are determined to be a ?seep? should be documented on the repair order and inspected at the…
• 10179694Aug 5, 2020Equipment. TT: HVAC drain tube is found to blocked/clogged.
• 10179601Aug 5, 2020Transmission and drivetrain, Engine. TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to be a ?leak? should be repaired accordingly and will be covered under warranty if applicable. Cases that are determined to be a ?seep? should be documented on the repair order and inspected at the…

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