2023 Lexus NX450H+

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10238125TT: When setting up the Lexus Interface (21MM) user profile, if the QR code is not working please use the following recommendations
• 10235246Left-hand Side Outer Rear-view Mirror Vibration While driving
• 10235245TSB: Some 2022 ? 2023 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles may exhibit a condition in which the left-hand side outer rear-view mirror vibrates during vehicle operation. The mirror vibration can be observed while driving at speeds of 35 mph (56 km/h) or above. Follow the Repair Procedure in this bulletin to address this condition.
• 10235223TSB: A head unit software update is now available for 2023 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1040 or earlier). This update provides improved performance and capability for the following: ?User profile. ?Over-the-air (OTA) notifications. ?Ability to search during a call. ?Bug fixes settings/configuration. ?Security enhancements.
• 10235221TSB: 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.
• 10235214TSB: 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.
• 10235213TSB: This bulletin provides general high-voltage safety precautions for the HV/EV system. These high voltages are dangerous and can cause personal injury, severe burns, electric shock, and death if proper safety precautions are NOT followed. Be sure to carefully review ALL applicable Repair Manual procedures BEFORE performing service. Lexus strongly recommends that Service Technicians complete Master Certification status before performing any service repair work on high-voltage systems.
• 10235208TSB: This bulletin contains the vehicle specific pre-delivery services for 2023 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles. Additionally, refer to the applicable Pre-Delivery Service (PDS) Check Sheet for services to be performed.
• 10234326TSB: Some 2022 ? 2023 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) is replaced. Techstream software has been modified to indicate when configuration software is required. A new Configure column has been added to the Techstream Health Check Results screen to show when configuration software is available for a specific ECU. Follow the Operation Procedure in this bulletin to complete the ECU Software Configure Process.
• 10234313TSB: Hybrid and battery electric vehicles are equipped with two types of batteries: ?Hybrid Vehicle (HV) battery ?Auxiliary (12V) battery If the hybrid vehicle or battery electric vehicle is placed into storage, the State-Of-Charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary.
• 10230380TSB: Some 2022 ? 2023 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles may exhibit a condition in which the left-hand side outer rear-view mirror vibrates during vehicle operation. The mirror vibration can be observed while driving at speeds of 35 mph (56 km/h) or above. Follow the Repair Procedure in this bulletin to address this condition.
• 10230372TT: Select 2022-2023MY Lexus vehicles are equipped with Advanced Park. The Advanced Park system assists in safely and smoothly parking in a target parking space by displaying the blind spots around the vehicle and the parking spot through a bird?s eye view, delivering operation guidance through displays and buzzer operation, and changing the shift position, operating the steering wheel, accelerator pedal, and brake pedal. The Lexus smartphone app Remote Park feature will not be available for 2022-2023 NX, 2023 RX, & 2023 RZ vehicles equipped with Advanced Park. To minimize guest dissatisfaction, Lexus will ask dealers to disable the Remote Park feature during the PDS process on 2022-2023 NX, 2023 RX, & 2023 RZ vehicles equipped with Advanced Park. The Advanced Park feature will still operate.
• 10224591TSB: This bulletin contains the vehicle specific pre-delivery services for 2023 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles. Additionally, refer to the applicable Pre-Delivery Service (PDS) Check Sheet for services to be performed
• 10224179TT: Some 2022-2023MY Lexus vehicles with the ?21MM (Multimedia) system may experience an error with the User Profile not loading when starting the vehicle and the vehicle reverting to the Guest Profile mode.
• 10224153TSB: 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.
• 10224152TSB: 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. Follow the Tire Positioning Procedure in this bulletin to ensure that the original tires stay in the same location on the vehicle
• 10224151TSB: 2023 model year Lexus vehicles are equipped with driver side floor mat retaining hooks (clips) to secure the floor mat in the correct position. In addition, some models may also utilize retaining hooks (clips) for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the Installation Procedure in this bulletin to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retaining hooks (clips).
• 10224143TSB: This bulletin provides general high-voltage safety precautions for the hybrid system. The hybrid system circuits operate with up to 650V. These high voltages are dangerous and can cause personal injury, severe burns, electric shock, and death if proper safety precautions are NOT followed. Be sure to carefully review ALL applicable Repair Manual procedures BEFORE performing service. As a policy, and to help ensure safety, no Lexus dealership technician is qualified to service or repair hybrid vehicles until Lexus course L071 is successfully completed.
• 10224139TSB: All 2023 model year Lexus vehicles are equipped with a factory-installed SiriusXM Satellite Radio, including a 90-day free customer trial. As part of the Pre-Delivery Service (PDS) process, ensure that the SiriusXM satellite radio is activated and ready for use.
• 10224138TSB: Hybrid vehicles are equipped with two types of batteries: ?Hybrid Vehicle (HV) battery ?Auxiliary (12V) battery If the hybrid vehicle is put into storage, the State-Of-Charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary. Perform the following maintenance service for the HV battery and auxiliary battery
• 10224131TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service 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. As a matter of policy, Lexus does not provide battery warranty coverage for discharged and/or failed batteries due to lack of maintenance. It is the dealer?s responsibility to maintain the specified State-Of-Charge (SOC) of the vehicle?s battery while in stock and ensure proper SOC at delivery. To eliminate customer service concerns due to an undercharged battery during the first few weeks of ownership, ALL dealers should test the auxiliary (12V) battery and recharge, if necessary, no more than 48 hours before delivery to the customer.
• 10220153TT: To improve guest support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center.

Every Lexus NX450H+ model year

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