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.

• 10177790Jun 25, 2020Body and structure. DL: Lexus has received reports regarding rear inside door handles in certain 2016 ? 2018 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…
• 10177787Jun 25, 2020Electrical system. RL: The engine control module in the subject vehicles is equipped with software to manage the emissions systems. Due to improper programming in the software, the emissions monitoring system may clear the system test results which can result in a vehicle not being able to complete emission testing/smog checks.
• 10177786Jun 25, 2020Electrical system. DL: The engine control module in the subject vehicles is equipped with software to manage the emissions systems. Due to improper programming in the software, the emissions monitoring system may clear the system test results which can result in a vehicle not being able to complete emission testing/smog checks.
• 10177784Jun 25, 2020Body and structure. TSB: Some 2016 - 2019 model year RX 350 and RX 450h vehicles second row seat occupants may experience a condition where the inside rear door handle may not open the door. This condition is caused when the rear door handle fatigues, allowing the inside door handle release cable to separate from the door handle body
• 10177613Jun 25, 2020Engine cooling, Electrical system. RL: The engine control module in the subject vehicles is equipped with software to manage the emissions systems. Due to improper programming in the software, the emissions monitoring system may clear the system test results which can result in a vehicle not being able to complete emission testing/smog checks.
• 10177612Jun 25, 2020Electrical system, Engine cooling. Ti: technical instructions for special service campaign 20lc03 engine control computer reprogram certain 2018 - 2019 rx 350, rx 350l
• 10177611Jun 25, 2020Engine cooling, Electrical system. DL: The engine control module in the subject vehicles is equipped with software to manage the emissions systems. Due to improper programming in the software, the emissions monitoring system may clear the system test results which can result in a vehicle not being able to complete emission testing/smog checks.
• 10177597Jun 25, 2020Electronic stability control, Engine cooling. RL: The engine control module in the subject vehicles is equipped with software to manage the emissions systems. Due to improper programming in the software, the emissions monitoring system may clear the system test results which can result in a vehicle not being able to complete emission testing/smog checks.
• 10177596Jun 25, 2020Electronic stability control. Ti: technical instructions for special service campaign 20lc03 engine control computer reprogram certain 2018 - 2019 rx 350, rx 350l
• 10177595Jun 25, 2020Engine cooling, Electronic stability control. DL: The engine control module in the subject vehicles is equipped with software to manage the emissions systems. Due to improper programming in the software, the emissions monitoring system may clear the system test results which can result in a vehicle not being able to complete emission testing/smog checks.
• 10177780Jun 23, 2020Wheels. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. ST004-01, SU001-08, and L-SB-0174-08. The aforementioned bulletins are obsolete, and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding. This Service Bulletin provides best practice procedures for vehicle pulling complaint, diagnosis, and repair…
• 10177778Jun 22, 2020Latches, locks and linkages. DL: 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.
• 10177777Jun 22, 2020Latches, locks and linkages. DL: 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.
• 10177590Jun 10, 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.
• 10177574Jun 1, 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.
• 10176283May 1, 2020Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10174907Apr 15, 2020Equipment. TT: After performing a battery test using the DCA-8000 battery diagnostic charger and the battery health has been considered a ?Good? condition, the DCA will automatically enter a post-test charging mode. In the post-test charging mode, the DCA analyzes the current state of charge of the battery and automatically begins to charge the battery to a fully charged condition, 100% state of charge. The time required to…
• 10174889Apr 6, 2020Equipment. TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates
• 10174888Apr 6, 2020Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, PG002-90, L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003 93, and PG002-90. The aforementioned bulletins are obsolete, and any printed versions should be discarded.
• 10173986Mar 26, 2020Equipment. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.
• 10173793Mar 9, 2020Equipment, 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 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…
• 10172827Feb 6, 2020Equipment. TSB: February 06, 2020: This bulletin is now obsolete. Please see L-SB-0003-20.
• 10172825Feb 6, 2020Equipment. TSB: Some 2006 ? 2020 model year Lexus vehicles may exhibit odors that naturally occur from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.
• 10169437Nov 20, 2019Equipment, Engine 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.
• 10169332Nov 18, 2019Equipment. TT: HVAC drain tube is found to blocked/clogged.
• 10169420Nov 8, 2019Equipment. TT: Some vehicles with Pioneer 12.3? (or 10.3? IS) Navigation may encounter an intermittent Pink flash on the display followed by a system reset.
• 10167970Oct 28, 2019Electrical system. TSB: Some 2018 ? 2019 model year RX350 and RX350L vehicles may exhibit a MIL ON condition with DTC P01201C (Throttle / Pedal Position Sensor / Switch ?A? Circuit Voltage Out of Range) occurring within 5 seconds of engine start time. The Engine Control Module/ECM (SAE Term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of these conditions. Follow the Repair Procedure in this…
• 10168519Oct 11, 2019Steering. 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…
• 10166041Sep 26, 2019Transmission and drivetrain. TSB: REVISION NOTICE September 26, 2019 Rev1: ? The Warranty Information, Parts Information, and Calibration Information sections have been updated. Any previous printed versions of this bulletin should be discarded. Some 2016 ? 2019 model year RX350 and RX350L vehicles may exhibit one or both of the following conditions: ? A bucking feeling (back and forth jerking that comes right after a shift but then dissipates…
• 10166027Sep 19, 2019Lane departure. Technical Instructions: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN JLH INTELLIGENT CLEARANCE SONAR (ICS) SYSTEM REPROGRAM
• 10164911Aug 19, 2019Engine cooling. TSB: REVISION NOTICE August 19, 2019 Rev2: * Applicability has been updated to include 2019 model year RX350 vehicles. Any previous printed versions of this bulletin should be discarded. REVISION NOTICE March 12, 2018 Rev1: * The Parts Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2016 - 2019 model year RX 350 vehicles may exhibit a droning noise from…
• 10162746Jun 13, 2019Equipment. TSB: REVISION NOTICE June 13, 2019 Rev2: ? Applicability has been updated to include 2018 ? 2019 model year Lexus vehicles. March 13, 2017 Rev1: ? Applicability has been updated to include 2015 ? 2017 model year Lexus vehicles. ? The Parts Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2007 ?
• 10159718Apr 16, 2019Equipment, Electrical system. Dealer Packet: April 16, 2019 ? UIO quantities and production ranges have been updated to reflect added vehicles. 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. If the ICS system activates, the ICS…
• 10159717Apr 16, 2019Equipment, Electrical system. Region Email: 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. If the ICS system activates, the ICS system will exhibit warnings and the system may apply the brakes.
• 10155231Feb 15, 2019Electrical system. TSB: This bulletin details the supplemental procedure to confirm Telematics Data Communication Module (DCM) activation for applicable 2018 ? 2019 model year Lexus vehicles after the process is initiated by Techstream. The steps outlined in this bulletin include: ? Techstream Messages ? DCM Activation Confirmation ? Vehicle Confirmation
• 10153245Dec 21, 2018Equipment. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.
• 10153201Dec 5, 2018Electrical system. TSB: OBSOLETE NOTICE December 04, 2018: This bulletin is now obsolete. Please see L-SB-0045-18.
• 10153199Dec 5, 2018Fuel system. TSB: Some 2016 - 2019 model year RX350 and 2018 - 2019 model year RX350L 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.
• 10153197Dec 4, 2018Back-over prevention (rear camera). TT: When adjusting the Forward Recognition Camera on vehicles with Lexus Safety Sense, it can be difficult to print the repair manual target to the proper size.
• 10153196Dec 4, 2018Electrical system, Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. L-SB-0108-17. ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. Service Bulletin No. L-SB-0108-17 is obsolete and any printed versions should be discarded. A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include…
• 10153194Dec 3, 2018Equipment. TSB: OBSOLETE NOTICE December 03, 2018: This bulletin is now obsolete. Please see L-SB-0044-18.
• 10153193Dec 3, 2018Tires. TSB: OBSOLETE NOTICE December 03, 2018: This bulletin is now obsolete. Please see L-SB-0043-18.
• 10153192Dec 3, 2018Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. L-SB-0112-17. ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. Service Bulletin No. L-SB-0112-17 is obsolete and any printed versions should be discarded. Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery.
• 10153191Dec 3, 2018Tires, Wheels. 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 Tire Positioning Procedure in this bulletin to ensure that the original tires stay…
• 10152632Nov 30, 2018Equipment. TSB: OBSOLETE NOTICE November 30, 2018: This bulletin is no longer applicable and is now obsolete.
• 10152630Nov 30, 2018Equipment. TSB: REVISION NOTICE November 30, 2018 Rev2: ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. April 25, 2018 Rev1: ? Applicability has been updated to include 2019 model year vehicles. Any previous printed versions of this bulletin should be discarded. 2018 ? 2019 model year vehicles are equipped with driver side floor mat retaining clips to secure the floor mat in the correct…
• 10152629Nov 30, 2018Equipment. TSB: REVISION NOTICE November 30, 2018 Rev2: ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. 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…
• 10152565Nov 28, 2018Equipment. TT: HVAC drain tube is found to blocked/clogged.
• 10152564Nov 28, 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.
• 10152563Nov 28, 2018Seats. TSB: REVISION NOTICE November 28, 2018 Rev1: ? The Warranty Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2016 ? 2019 model year RX350 and RX450h vehicles may exhibit a condition where there is a noticeable seat heater temperature difference between the driver and/or passenger seats. Follow the Repair Procedure in this bulletin to address this…

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