NHTSA service bulletin

NHTSA Service Bulletin 11005178: 2022-2024 Lexus Lx

Official manufacturer communication context for 2022-2024 Lexus Lx, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11005178 summary graphic for 2022-2024 Lexus Lx
11005178NHTSA document ID
Over-the-air software updatecommunication type
8affected product rows
8source rows grouped

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

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 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 RX 350, RX 350h, RX 450h+, and RX 500h vehicles; 2022 2024 model year NX 250, NX 350, NX 350h, and NX 450h+ vehicles; 2023 model RZ 450e 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 search. Bug fixes. A head unit software update is now available for 2022 2024 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles; 2023 2024 model year RX 350, RX 350h, RX 450h+, RX 500h, and RZ 450e vehicles; 2024 model year TX 350, TX 500h, and TX 550h+ vehicles equipped with Lexus Multimedia (earlier than version 2170). This software update includes the following improvements: User Profile. User interface. Cloud navigation. Intelligent assistant voice recognition. Bug fixes.

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
LexusLx2022-2024Ask for service records and run the exact VIN before purchase.
LexusNx2022-2024Ask for service records and run the exact VIN before purchase.
LexusNx Hybrid2022-2024Ask for service records and run the exact VIN before purchase.
LexusRx2023, 2024Ask for service records and run the exact VIN before purchase.
LexusRx Hybrid2023, 2024Ask for service records and run the exact VIN before purchase.
LexusRz2023, 2024Ask for service records and run the exact VIN before purchase.
LexusTx2024Ask for service records and run the exact VIN before purchase.
LexusTx Hybrid2024Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 11005178?

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.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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