2023 Lexus NX Technical Service Bulletins

124 technical service bulletins (TSBs) are on record for the 2023 Lexus NX. 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.

• 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.
• 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
• 11010098Sep 25, 2024Electrical system. Some 2022 – 2024 model year NX 250, NX 350, and NX 350h vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P162B87 (Lost Communication with Battery Monitor Module Missing Message). The battery state sensor assembly has been updated to prevent the condition from occurring.
• 11010097Sep 25, 2024Brakes. Some 2022 – 2024 model year NX 250 and NX 350 vehicles may exhibit a condition where the vehicle displays both a System Malfunction Visit Your Dealer warning message and a brake warning light without any associated Diagnostic Trouble Codes (DTCs).
• 11010085Sep 19, 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.
• 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, 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.
• 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…
• 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
• 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
• 11005042Jun 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.
• 11005037Jun 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.
• 11005178May 28, 2024Electrical system. A head unit software update is now available for 2022 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1020 or earlier). This update provides improved performance and capability for the following: •User Profile configuration and display. •Cloud Navigation and Intelligent Voice Assistant. •Mobile device connectivity. •On-screen display and system…
• 11005158May 24, 2024Engine, Electrical system. Some 2023 – 2024 model year NX 350 vehicles equipped with a T24A-FTS engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P05CE00 (Cold Start “B” Camshaft Position Timing Performance Bank 1) present. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition.
• 11005185May 13, 2024Other or unknown. Second Key Delivery Program Frequently Asked Questions
• 11005184May 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.
• 11003652Apr 24, 2024Electrical system. When setting up the Lexus Interface (21MM) user profile, if the QR code is not working please use the following recommendations. 1. Refer to the TAS 21MM Diagnostics Pre-Call Worksheet (PCW) on the TAS case creation page. The following steps will provide some answers for the PCW. 2. Start with the vehicle running outside for 5-10 minutes in an area with no overhead obstructions. a.
• 11003597Apr 24, 2024Electrical system. When setting up the Lexus Interface (21MM) user profile, if the QR code is not working please use the following recommendations. 1. Refer to the TAS 21MM Diagnostics Pre-Call Worksheet (PCW) on the TAS case creation page. The following steps will provide some answers for the PCW. 2. Start with the vehicle running outside for 5-10 minutes in an area with no overhead obstructions. a.
• 11003650Apr 19, 2024Body and structure. To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer. Consequently, the film should remain on the wheel for as long as possible.
• 11003648Apr 19, 2024Body and structure. The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as…
• 11003643Apr 19, 2024Body and structure. Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface…
• 11003642Apr 19, 2024Body and structure. Lexus vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure in this bulletin to remove the RapgardTM protective film within 90 days from initial application. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service…
• 11003641Apr 19, 2024Body and structure. Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the presence of small, red or brown particles on the paint surface. These particles are often difficult to see on dark color paints but can be easily felt when brushing a hand across…
• 11003595Apr 19, 2024Body and structure. To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer. Consequently, the film should remain on the wheel for as long as possible.
• 11003593Apr 19, 2024Body and structure. The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as…
• 11003588Apr 19, 2024Body and structure. Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface…
• 11003587Apr 19, 2024Body and structure. Lexus vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure in this bulletin to remove the RapgardTM protective film within 90 days from initial application. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service…
• 11003586Apr 19, 2024Body and structure. Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the presence of small, red or brown particles on the paint surface. These particles are often difficult to see on dark color paints but can be easily felt when brushing a hand across…
• 11003639Apr 18, 2024Electrical system, Engine. Some 2022 – 2024 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…
• 11003584Apr 18, 2024Engine, Electrical system. Some 2022 – 2024 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…
• 11003630Apr 12, 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.
• 11003575Apr 12, 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.
• 11003622Apr 11, 2024Electrical 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.
• 11003567Apr 11, 2024Electrical 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.
• 10253237Mar 12, 2024Electrical system. 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.
• 10253236Mar 12, 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.
• 10252264Feb 21, 2024Engine cooling. TSB: Some 2021 ? 2024 model year ES 250 and 2022 ? 2024 model year NX 250 vehicles with A25A-FKS engines may have a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) upon cold soak start up with engine coolant temperatures between 14°F ? 41°F: ?P030027 ? Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold ?P030000 ? Random/Multiple Cylinder…
• 10251083Jan 31, 2024Electrical system. The table describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated during each phase launch and as more details become available.
• 10251082Jan 31, 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.
• 10251079Jan 26, 2024Electrical system. TSB: A head unit software update is now available for 2022 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1020 or earlier). This update provides improved performance and capability for the following: ?User profile configuration and display. ?Cloud Navigation and Intelligent Voice Assistant. ?Mobile device connectivity. ?On-screen display and system…

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