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Service bulletins for the 2022 Lexus NX

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

109 on file from NHTSA, as of 2026-10-19.

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By trouble code

Bulletins, newest first
L-SB-0021-23 Rev12024-07-06. Service bulletin. ENGINE; 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 ECU. REVISION NOTICE April 18, 2024 Rev1: •Applicability has been updated to include 2024 model year GX 550, LX 600, NX 250, NX 350, NX 350h, NX 450h+, RX 350, RX 350h, RX 450h+, RX 500h, RZ 300e, RZ 450e, TX 350, TX 500h, and TX 550h+ vehicles. •The Introduction section has been updated. •The Operation Procedure section has been removed. •The Standard ECU Configuration Procedure and ECU Configuration Value Writing Procedure sections have been added.
23LJ01 Eligibility2024-07-06. Service campaign. UNKNOWN OR OTHER. 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.
Lexus Second Key2024-04-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
23LJ01_P5_Dealer2024-04-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
LSB0009242024-04-01. Service bulletin. ENGINE AND ENGINE 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 Misfire Detected ?P030100 ? Cylinder 1 Misfire Detected ?P030200 ? Cylinder 2 Misfire Detected ?P030300 ? Cylinder 3 Misfire Detected ?P030400 ? Cylinder 4 Misfire Detected Follow the Repair Procedure in this bulletin to address these conditions.
LSB0007222024-04-01. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER. OBSOLETE NOTICE February 13, 2024: This bulletin is now obsolete. Please see L-SB-0006-23.
Vehicle Eligibil2024-03-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
Dealer Packet pu2024-03-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
L-SB-0006-232024-03-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 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 settings/configuration. ?Security enhancements. A head unit software update is now available for 2022 LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles; and 2023 ES 250, ES 300h, ES 350, and UX 250h vehicles equipped with Lexus Multimedia (earlier than version 1040). This software update includes the following improvements: ?Cloud navigation. ?Intelligent assistant voice recognition. ?Showing and controlling explicit audio content. ?User interface. ?Bluetooth®. ?Bug fixes. This software update removes the following feature: ?Hybrid radio. 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 software 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. A head unit software update is now available for 2022 ? 2023 model year LX 600 vehicles; 2023 ? 2024 model year ES 250, ES 300h, ES 350, RX 350, RX 350h, RX 450h+, RX 500h, and UX 250h vehicles; 2022 ? 2024 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles; 2023 model year LS 500 and LS 500h vehicles; 2024 model year LC 500, LC 500C, and LC 500h vehicles equipped with Lexus Multimedia (earlier than version 2050). This software update includes the following improvements: ?User interface design. ?Intelligent assistant. ?Navigation lane guidance. ?Phone book se
23LJ01P4A2023-12-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. TI: TECHNICAL INSTRUCTIONS FOR 23LJ01 Second Key Delivery Program Multiple Models and Model Years
23LJ012023-12-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
23LJ01P42023-12-26. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
LSB0055232023-12-26. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2018 ? 2024 model year Lexus vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (DTCs) may be present: ?P1C8449 ? (High Voltage Power Resource Circuit Short during Ready ON) ?P300449 ? (High Voltage Power Resource Circuit Short during Pre-Charge) Follow the Repair Procedure in this bulletin to address this condition.
23LC01 NX LSS+ D2023-11-27. Service bulletin. AIR BAGS; LANE DEPARTURE. DP:The subject vehicles are equipped with Lexus Safety Sense + (LSS+) which consists of several driving assist features, including pre-collision braking, lane departure warning, and more. Due to inappropriate programming of the software within the forward recognition camera, there is a possibility that under certain conditions, LSS+ functions could become inoperative for approximately 4 seconds before rebooting and becoming operational again.
22LC03_DealerPac2023-11-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. DP: In the involved vehicles, a gear shift control unit may output incorrect or missing identification codes which may result in failure at state emissions inspections (SMOG check). While these vehicles may not meet certain state emissions requirements, this issue does not have an effect on the vehicle?s performance, emissions, or fuel efficiency.
L-SB-0051-232023-11-27. Service bulletin. POWER TRAIN. TSB: Some 2022 ? 2024 model year NX 250 and NX 350 vehicles may exhibit a warning message on the Multi-information Display (MID) to apply the brakes when shifting out of Park into Drive or Reverse. The transmission floor shift assembly (SBW ECU) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to reprogram the transmission floor shift assembly.
23LJ01P3_TI_fina2023-11-27. Service bulletin. EQUIPMENT:ELECTRICAL. TI: TECHNICAL INSTRUCTIONS FOR 23LJ01 Second Key Delivery Program Multiple Models and Model Years
23LJ01_Dealer Pa2023-11-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
23LJ01P3_RL_fina2023-11-27. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
L-SB-0050-22 Rev2023-11-27. Service bulletin. POWER TRAIN. TSB: Some 2022 ? 2024 model year NX 250, 2022 ? 2023 model year NX 350, and 2022 model year NX 350h and NX 450h+ vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: ?P2E0464 (SAE code P2E05) ? Gear Lever Position Sensor ?B? Signal Plausibility Failure. ?P2E0064 (SAE code P2E01) ? Gear Lever Position Sensor ?A? Signal Plausibility Failure. The transmission floor shift assembly logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
23LC01b2023-10-16. Service bulletin. ELECTRICAL SYSTEM:ADAS. TI: TECHNICAL INSTRUCTIONS FOR 23LC01 LEXUS SAFETY SENSE+ INOPERATIVE INTERMITTENTLY
23LC01a2023-10-16. Service bulletin. ELECTRICAL SYSTEM:ADAS. RL: The subject vehicles are equipped with Lexus Safety Sense + (LSS+) which consists of several driving assist features, including pre-collision braking, lane departure warning, and more. Due to inappropriate programming of the software within the forward recognition camera, there is a possibility that under certain conditions, LSS+ functions could become inoperative for approximately 4 seconds before rebooting and becoming operational again.
23LC012023-10-16. Service bulletin. ELECTRICAL SYSTEM:ADAS. DP: The subject vehicles are equipped with Lexus Safety Sense + (LSS+) which consists of several driving assist features, including pre-collision braking, lane departure warning, and more. Due to inappropriate programming of the software within the forward recognition camera, there is a possibility that under certain conditions, LSS+ functions could become inoperative for approximately 4 seconds before rebooting and becoming operational again
23TJ01e2023-10-16. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. TI: TECHNICAL INSTRUCTIONS FOR 23LJ01 Second Key Delivery Program Multiple Models and Model Years
23TJ01d2023-10-16. Service bulletin. ELECTRICAL SYSTEM. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.