2023 Lexus RZ Technical Service Bulletins

94 technical service bulletins (TSBs) are on record for the 2023 Lexus RZ. 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.

• 11038388Sep 22, 2026Suspension. Some 2023 – 2025 model year RZ 450e and 2024 – 2025 model year RZ 300e vehicles may exhibit a creaking noise coming from the strut mounting bearing in front suspension when turning. A new part has been developed to address this condition.
• 11027560Dec 15, 2025Body and structure. Some 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor 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. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11026301Nov 4, 2025Other or unknown. Model Year 2023-2025 model year RZ vehicles have charge ports that use the CCS standard. This program is for lessees and guests of these vehicles to receive 1 complimentary NACS Charging Adapter per vehicle to enable charging at stations using the NACS standard.
• 11022963Aug 19, 2025Electrical system. Some customers may experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features.
• 11022947Aug 5, 2025Electrical system. TECHNICAL INSTRUCTIONS FOR SOFTWARE UPDATE 25LC03 EV CHARGING PERFORMANCE + DISPLAY SOFTWARE UPDATE CERTAIN 2023 RZ450e
• 11020663Jun 17, 2025Engine. Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
• 11020656Jun 13, 2025Electrical system. The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
• 11019338Apr 10, 2025Electrical system. TECHNICAL INSTRUCTIONS FOR SOFTWARE UPDATE 25LC03 EV CHARGING PERFORMANCE + DISPLAY SOFTWARE UPDATE CERTAIN 2023 RZ450e
• 11019337Apr 10, 2025Electrical system. A software update has been developed for certain 2023 model year RZ450e vehicles. It is designed to improve DC-charging performance, and enhance visualization of the remaining range, current state of charge (SOC), and real-life energy consumption
• 11018335Apr 10, 2025Electrical system. TECHNICAL INSTRUCTIONS FOR SOFTWARE UPDATE 25LC03 EV CHARGING PERFORMANCE + DISPLAY SOFTWARE UPDATE CERTAIN 2023 RZ450e
• 11018334Apr 10, 2025Electrical system. A software update has been developed for certain 2023 model year RZ450e vehicles. It is designed to improve DC-charging performance, and enhance visualization of the remaining range, current state of charge (SOC), and real-life energy consumption
• 11019335Apr 3, 2025Electrical system. TECHNICAL INSTRUCTIONS FOR SOFTWARE UPDATE 25LC03 EV CHARGING PERFORMANCE + DISPLAY SOFTWARE UPDATE CERTAIN 2023 RZ450e
• 11019334Apr 3, 2025Electrical system. SOFTWARE UPDATE 25LC03 Certain 2023 Model Year RZ450e EV Charging Performance + Display Software Update Frequently Asked Questions
• 11019333Apr 3, 2025Electrical system. A software update has been developed for certain 2023 model year RZ450e vehicles. It is designed to improve DC-charging performance, and enhance visualization of the remaining range, current state of charge (SOC), and real-life energy consumption.
• 11018332Apr 3, 2025Electrical system. TECHNICAL INSTRUCTIONS FOR SOFTWARE UPDATE 25LC03 EV CHARGING PERFORMANCE + DISPLAY SOFTWARE UPDATE CERTAIN 2023 RZ450e
• 11018331Apr 3, 2025Electrical system. SOFTWARE UPDATE 25LC03 Certain 2023 Model Year RZ450e EV Charging Performance + Display Software Update Frequently Asked Questions
• 11018330Apr 3, 2025Electrical system. A software update has been developed for certain 2023 model year RZ450e vehicles. It is designed to improve DC-charging performance, and enhance visualization of the remaining range, current state of charge (SOC), and real-life energy consumption.
• 11019328Apr 2, 2025Electrical system. To assist with the early detection and early resolution of audio related concerns you may be asked 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 FTS and/or FPE.
• 11018325Apr 2, 2025Electrical system. To assist with the early detection and early resolution of audio related concerns you may be asked 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 FTS and/or FPE.
• 11016784Feb 10, 2025Electrical system. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines use of the Technical Information System (TIS) and the Calibration…
• 11016780Feb 10, 2025Electrical system. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 11015498Feb 10, 2025Electrical system. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines use of the Technical Information System (TIS) and the Calibration…
• 11015494Feb 10, 2025Electrical system. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 11016775Feb 7, 2025Body and structure. Some 2010 – 2026 model year Lexus vehicles may exhibit paint stains after the removal of Rapgard™. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard™. The wrinkles may trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces such as the hood, roof, and trunk.
• 11015489Feb 7, 2025Body and structure. Some 2010 – 2026 model year Lexus vehicles may exhibit paint stains after the removal of Rapgard™. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard™. The wrinkles may trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces such as the hood, roof, and trunk.
• 11014220Jan 30, 2025Electrical system. Some 2022 – 2025 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. GTS+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS+ Health Check Results screen to show when configuration software is available for a specific…
• 11014191Jan 23, 2025Electrical system. When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS+ Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU Security Key.
• 10248826Dec 21, 2024Equipment, Electrical system. TI: TECHNICAL INSTRUCTIONS FOR 23LJ01 Second Key Delivery Program Multiple Models and Model Years
• 10248825Dec 21, 2024Electrical system, Equipment. RL: The supply of Smart Keys available for Lexus vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting certain microchips. Affected vehicles have been delivered with only one Smart Key and a second mechanical key.
• 10248824Dec 21, 2024Electrical system. DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affected vehicles were delivered with one (1) Smart Key and a second mechanical key.
• 11010365Oct 24, 2024Other or unknown. The table below describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated over time as more details become available.
• 11010364Oct 24, 2024Other or unknown. SECOND KEY DELIVERY PROGRAM 23LJ01 Multiple Models and Model Years Second Key Delivery Program Frequently Asked Questions
• 11010363Oct 24, 2024Other or unknown. The supply of Smart Keys available for Lexus vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting certain microchips. Affected vehicles have been delivered with only one Smart Key and a second mechanical key.
• 11010362Oct 24, 2024Other or unknown. The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affected vehicles were delivered with one (1) Smart Key and a second mechanical key.
• 11010333Oct 3, 2024Engine. EV Battery ECU Shows Software Update Available "YES", After Health Check
• 11010325Oct 1, 2024Electrical system. Some 2023 model year ES 250, ES 300h, ES 350, and UX 250h vehicles with DCM firmware version earlier than LG-N210ee9999-09 may exhibit a condition in which the vehicle customize settings menu is unavailable in the head unit after connecting to Techstream.
• 11010070Sep 17, 2024Other or unknown. The table describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated over time as more details become available.
• 11010069Sep 17, 2024Other or unknown. The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affected vehicles were delivered with one (1) Smart Key and a second mechanical key.
• 11007456Jul 29, 2024Body and structure. Some 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor 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. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11006162Jul 29, 2024Body and structure. Some 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor 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. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11007439Jul 8, 2024Electrical system. Some 2023 model year ES 250, ES 300h, ES 350, and UX 250h vehicles with DCM firmware version earlier than LG-N210ee9999-09 may exhibit a condition in which the vehicle customize settings menu is unavailable in the head unit after connecting to Techstream.
• 11006145Jul 8, 2024Electrical system. Some 2023 model year ES 250, ES 300h, ES 350, and UX 250h vehicles with DCM firmware version earlier than LG-N210ee9999-09 may exhibit a condition in which the vehicle customize settings menu is unavailable in the head unit after connecting to Techstream.
• 11005121Jun 21, 2024Body and structure. Some 2005 – 2024 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. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11005063Jun 21, 2024Body and structure. Some 2005 – 2024 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. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11005118Jun 18, 2024Engine. Some customers may notice momentary power dips on graphs produced by the Charge Point Charger’s phone App during A/C charging.
• 11005060Jun 18, 2024Engine. Some customers may notice momentary power dips on graphs produced by the Charge Point Charger’s phone App during A/C charging.
• 11005101Jun 13, 2024Other or unknown. Second Key Delivery Program Frequently Asked Questions
• 11005100Jun 13, 2024Other or unknown. The supply of Smart Keys available for Lexus vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting certain microchips. Affected vehicles have been delivered with only one Smart Key and a second mechanical key.
• 11005095Jun 13, 2024Other or unknown. The table describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated over time as more details become available.
• 11005043Jun 13, 2024Other or unknown. Second Key Delivery Program Frequently Asked Questions

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