2023 Lexus RX Technical Service Bulletins

117 technical service bulletins (TSBs) are on record for the 2023 Lexus RX. 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.

• 11034816Jun 12, 2026Transmission and drivetrain. Some 2023 – 2024 model year RX 350, RX 350h, RX 500h, and 2024 model year TX 350 and TX 500h vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making turns. This condition may occur without a grease leak present on the front drive shaft assemblies. An updated front drive shaft assembly is available to resolve this condition. Follow the Repair…
• 11032485Apr 24, 2026Engine. Some customers of 2023 – 2025 model year RX 350h, RX 500h, and 2024 – 2025 model year TX 500h vehicles may experience one or more of the following complaints when the low fuel level warning light illuminates: • The total amount of fuel dispensed during refueling is less than the customer expects when the fuel nozzle automatically clicks off, preventing the customer from being able to put as much fuel into the tank…
• 11032483Apr 17, 2026Transmission and drivetrain. OBSOLETE NOTICE April 17, 2026: This bulletin is now obsolete. Please see L-SB-0009-26
• 11032479Apr 16, 2026Transmission and drivetrain. Some 2022 – 2024 model year NX 250 and NX 350, and 2023 – 2024 model year RX 350 vehiclesmay exhibit the following condition at vehicle startup when the vehicle is in Park: • A “Shift System Malfunction” message on the Multi-information Display (MID), as shown below. This condition is more likely to occur when the outside temperatures are near freezing. The Shift Actuator ECU logic has been modified to reduce the…
• 11031153Mar 10, 2026Transmission and drivetrain. Some 2022 – 2024 model year NX 250 and NX 350, and 2023 – 2024 model year RX 350 vehicles may exhibit both of the following conditions at vehicle startup when the vehicle is in Park: •A “Shift System Malfunction” message on the Multi-information Display (MID), as shown below. •Battery voltage drops below 10V. These conditions are more likely to occur when the outside temperatures are near freezing. The Shift…
• 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…
• 11026311Nov 13, 2025Electrical system. The subject vehicles are equipped with a rear motor unit and an HV Floor Under Wire that provide high voltage to operate the motor. Mud, water, or road salt could potentially enter the HV Floor Under Wire connector housing and could cause corrosion over time. Excessive corrosion could cause AM Radio Static during certain driving cycles, or the vehicle may not start.
• 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.
• 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.
• 11020653Jun 6, 2025Transmission and drivetrain. Some 2023 – 2024 model year RX 350, RX 350h, RX 500h, and 2024 model year TX 350 and TX 500h vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making turns. This condition may occur without a grease leak present on the front drive shaft assemblies. An updated front drive shaft assembly is available to resolve this condition.
• 11019358Apr 18, 2025Electrical system. Some 2023 – 2025 model year RX 350, RX 350h, RX 500h, and 2024 – 2025 model year TX 350, TX 500h, and TX 550h+ vehicles may exhibit a condition where the Blind Spot Monitor (BSM) system is inoperative, there is a BSM malfunction message on the multi-information display (MID), or the driving assist information indicator is illuminated, along with one or more of the following Diagnostic Trouble Codes (DTCs) present…
• 11018355Apr 18, 2025Electrical system. Some 2023 – 2025 model year RX 350, RX 350h, RX 500h, and 2024 – 2025 model year TX 350, TX 500h, and TX 550h+ vehicles may exhibit a condition where the Blind Spot Monitor (BSM) system is inoperative, there is a BSM malfunction message on the multi-information display (MID), or the driving assist information indicator is illuminated, along with one or more of the following Diagnostic Trouble Codes (DTCs) present…
• 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.
• 11016793Feb 20, 2025Transmission and drivetrain. Some 2022 – 2024 model year NX 250 and NX 350, and 2023 – 2024 model year RX 350 vehicles may exhibit both of the following conditions at vehicle startup: •A “Shift System Malfunction” message on the Multi-information Display (MID), as shown below. •Battery voltage drops below 10V. These conditions are more likely to occur when the outside temperatures are near freezing.
• 11015507Feb 20, 2025Transmission and drivetrain. Some 2022 – 2024 model year NX 250 and NX 350, and 2023 – 2024 model year RX 350 vehicles may exhibit both of the following conditions at vehicle startup: •A “Shift System Malfunction” message on the Multi-information Display (MID), as shown below. •Battery voltage drops below 10V. These conditions are more likely to occur when the outside temperatures are near freezing.
• 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, 2024Electrical system, Equipment. 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.
• 11011637Nov 6, 2024Engine. After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087 - Lost Communication with ECM/PCM "A" Missing Message. Upon investigation, it is found that the engine ECU has been damage and needs to be replaced. In several cases, the cause of the ECU damage was improper jump starting. Further investigation found that ECU damage may occur if the negative (ground) cable…
• 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.
• 11010352Oct 18, 2024Body and structure. Some 2021 – 2024 model year ES 250, ES 300h, ES 350, RX 350, RX 350h, RX 500h, UX 200, and UX 250h vehicles may exhibit a high-pitched noise coming from the front HVAC blower motor while operating the air conditioner or heater. This condition does not affect the operation of the vehicle, however, a heater cover has been developed to help reduce or potentially eliminate the noise.
• 11010337Oct 10, 2024Electrical system. Technical instructions for special service campaign 24lc03 malfunction indicator lamp (mil) is on with dtc p05ce00 software update certain 2023-2024 nx 350 vehicles certain 2023-2024 rx350 vehicles certain 2024 tx 350 vehicles
• 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.
• 11010099Sep 25, 2024Transmission and drivetrain. Some 2023 – 2024 RX 350, RX 350h, and 2024 TX 350 vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making turns. This condition may occur without a grease leak present on the front drive shaft assemblies. An updated front drive shaft assembly is available to resolve this condition.
• 11010085Sep 19, 2024Electrical system, Engine. The Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. When this happens, an engine malfunction indicator lamp (MIL) can appear on the dashboard as well as diagnostic trouble code (DTC), P05CE00 to be set.
• 11010084Sep 18, 2024Engine, Electrical system. SPECIAL SERVICE CAMPAIGN 24LC03 Frequently Asked Questions
• 11010079Sep 18, 2024Engine, Electrical system. Technical instructions for special service campaign 24lc03 malfunction indicator lamp (mil) is on with dtc p05ce00 software update certain 2023-2024 nx 350 vehicles certain 2023-2024 rx350 vehicles certain 2024 tx 350 vehicles
• 11010078Sep 18, 2024Engine, Electrical system. The Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. When this happens, an engine malfunction indicator lamp (MIL) can appear on the dashboard as well as diagnostic trouble code (DTC), P05CE00 to be set.
• 11010077Sep 18, 2024Electrical system, Engine. The Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. When this happens, an engine malfunction indicator lamp (MIL) can appear on the dashboard as well as diagnostic trouble code (DTC), P05CE00 to be set.
• 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…
• 11005101Jun 13, 2024Other or unknown. Second Key Delivery Program Frequently Asked Questions

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