2018 Lexus NX300 Technical Service Bulletins

102 technical service bulletins (TSBs) are on record for the 2018 Lexus NX300. 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.

• 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.
• 10173983Mar 26, 2020Equipment. TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that their map update service will end soon. The date that is shown could be more than one year in the future. This does not indicate any issues with the vehicle, and is only informing the user of the expiration date.
• 10173967Mar 18, 2020Electrical system. TSB: Some 2018 model year NX 300, NX 300h, RC F, RC 300, and RC 350 vehicles equipped with Enform? Audio (version 1020) or earlier may exhibit one or more of the following conditions: ?Intermittent ?There Are No Applications Available?
• 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…
• 10170732Dec 6, 2019Equipment. TSB: REVISION NOTICE December 6, 2019 Rev1: ? Applicability has been updated to include 2018 ? 2020 model year Lexus vehicles. ? The Parts Information section has been updated. Any previous printed versions of this bulletin should be discarded. 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…
• 10168536Oct 21, 2019Equipment. TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by audio suppliers, FTS, and/or FPEs.
• 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…
• 10166027Sep 19, 2019Lane departure. Technical Instructions: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN JLH INTELLIGENT CLEARANCE SONAR (ICS) SYSTEM REPROGRAM
• 10164912Aug 19, 2019Equipment. TT: Panasonic exchange Multimedia Extension Unit (MEU) and Display Control Unit (DCU) parts are now being shipped with Apple CarPlay software already installed. If the updated MEU (Navigation) or DCU (Radio) exchange part is installed on a vehicle that has never been updated, a software mismatch can occur, and an error message may be displayed.
• 10162759Jun 25, 2019Electrical system. TT: The new 12V Battery Warranty Testers (DSS-5000 & DCA-8000) require certain information to generate a test result and warranty code. Below is an explanation of what information is required when testing a 12V battery on the new Warranty Battery Testers.
• 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 ?
• 10162745Jun 12, 2019Equipment. TSB: REVISION NOTICE June 12, 2019 Rev1: ? Applicability has been updated to include 2019 model year NX300, NX300h, and RC F vehicles. ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. The procedure in this Service Bulletin is a full reformat of the multimedia system. Failure to follow the procedure exactly as written may cause damage to the head unit.
• 10162744Jun 11, 2019Equipment. TT: For applicable 2018-2019 model year Lexus vehicles, after performing the Multimedia Enhancements Phase 3 TSIB with additional features such as Apple CarPlay® and Amazon Alexa?, the Enform? App Suite may not load properly. Follow the steps below to correct this condition.
• 10162736Jun 4, 2019Equipment. TSB: REVISION NOTICE June 04, 2019 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. The procedure in this Service Bulletin is a full reformat of the multimedia system. Failure to follow the procedure exactly as written may cause damage to the head unit. This reformatting changes the system from a Phase 2 to a Phase 3 system, which includes Apple…
• 10161514May 6, 2019Equipment, Electrical system. TSB: Lexus navigation is now available with additional features such as Apple CarPlay® and Amazon Alexa? for applicable 2018 ? 2019 model year Lexus vehicles. Follow the Software Update Procedure in this bulletin to install these new features. NOTE Performing this update may change certain head unit operation conditions. For a full list of changes, please see the System Limitations and FAQ.
• 10161513May 6, 2019Electrical system, Equipment. TSB: Lexus audio is now available with additional features such as Apple CarPlay® and Amazon Alexa? for applicable 2018 - 2019 model year Lexus vehicles. Follow the Software Update Procedure in this bulletin to install these new features. NOTE Performing this update may change certain head unit operation conditions. For a full list of changes, see System Limitations and FAQ.
• 10159726Apr 17, 2019Equipment. TSB: Some 2018 ? 2019 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…
• 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.
• 10159704Apr 8, 2019Equipment. Technical Instructions:
• 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
• 10154798Feb 6, 2019Equipment. TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement.
• 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.
• 10153238Dec 18, 2018Equipment. TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement.
• 10153201Dec 5, 2018Electrical system. TSB: OBSOLETE NOTICE December 04, 2018: This bulletin is now obsolete. Please see L-SB-0045-18.
• 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…
• 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.
• 10152555Nov 26, 2018Electrical system. TSB: REVISION NOTICE November 26, 2018 Rev2: ? Applicability has been updated to include 2019 model year UX250h vehicles. May 10, 2018 Rev1: Applicability has been updated to include 2019 model year vehicles. Any previous printed versions of this bulletin should be discarded.
• 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.
• 10152179Nov 12, 2018Engine cooling. TSB: REVISION NOTICE November 12, 2018 Rev1: ? Applicability has been updated to include 2018 ? 2019 model year GS300, IS300, NX300, and RC300 vehicles. ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. Some 2015 ?
• 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.
• 10150001Sep 5, 2018Equipment, Electrical system. TSB: Some 2018 ? 2019 model year Lexus vehicles equipped with Lexus Display Audio (non-embedded navigation system) have the capability of utilizing a smartphone data-driven navigation app, Scout GPS Link. Download and installation of Lexus Enform App Suite 2.0 is required to activate the Scout GPS Link app before it can be used for the first time on new vehicles.
• 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.
• 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…
• 10141589May 17, 2018Steering. TSB: Some 2015 - 2017 model year NX 200t, 2015 - 2018 model year NX 300h, and 2018 model year NX 300 vehicles may exhibit a slight pull/drift to the right. Some vehicles manufactured with excessive cross caster may cause this condition to occur. Follow the Repair Procedure in this bulletin to address this condition.
• 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…
• 10197471Mar 22, 2018Equipment. Diagnosis of bluetooth connectivity complaints.
• 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

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