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Service bulletins for the 2023 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.

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

By type

By component

By trouble code

Bulletins, newest first
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.
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.
23TJ01c2023-10-16. 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.
LSB0043232023-10-16. Service bulletin. UNKNOWN OR OTHER. TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Follow the procedures outlined in this service bulletin to aid in locating, inspecting, and repairing refrigerant leaks.
LTT0326232023-10-16. Service bulletin. UNKNOWN OR OTHER; COMMUNICATION:MANUFACTURER TELEMATICS. TT: A very small percentage of customers 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.
L-SB-0039-232023-08-28. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2022 ? 2023 model year NX 250, NX 350, NX 350h (with 9.8-inch touchscreen only) and 2023 model year ES 250, ES 300h, and ES 350 (with 8.0-inch touchscreen only) vehicles, equipped with a 10-speaker premium sound system, may exhibit an echo condition during a phone call via Bluetooth®, Apple CarPlay®, or Android Auto? (wireless or wired). The person in the car does not hear or experience any echo or other abnormalities. The condition can be resolved by replacing the amplifier assembly.
L-SB-0037-232023-08-28. Service bulletin. WHEELS. TSB: Some 2021 ? 2024 model year Lexus vehicles use hub bolts in place of studs/nuts to fasten the wheels to the vehicle. If non-compatible wheels or hub bolts/nuts are installed, there is increased risk that the wheel(s) could come off resulting in a crash. This service bulletin outlines the physical differences and precautions that should be taken when servicing different wheel and wheel fastener types.
LTT-0324-232023-07-31. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: Some customers and technicians have reported the presence of bubbling, scratching, peeling or imperfections on the navigation display screen
23LJ01-22023-07-31. 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
23LJ01-12023-07-31. 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 November 2022 due to global semiconductor shortages impacting certain microchips. Affected vehicles have been delivered with only one Smart Key and a second mechanical key.
23LJ012023-07-31. 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.

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