NHTSA service bulletin

NHTSA Service Bulletin 10251065: 2022-2024 Toyota Bz4x

Official manufacturer communication context for 2022-2024 Toyota Bz4x, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10251065 summary graphic for 2022-2024 Toyota Bz4x
10251065NHTSA document ID
Manufacturer communicationcommunication type
13affected product rows
90/100quality score

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

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.

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
ToyotaBz4x2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaCrown2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaGrand Highlander2024Ask for service records and run the exact VIN before purchase.
ToyotaPrius Prime2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaRav4 Prime2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaRedundant Sequoia2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaRedundant Sienna2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaSienna Hybrid2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaTundra2022-2024Ask for service records and run the exact VIN before purchase.
ToyotaTundra Hybrid2022-2024Ask for service records and run the exact VIN before purchase.
ToyotaVenza2023, 2024Ask for service records and run the exact VIN before purchase.
ToyotaVenza Hybrid2023, 2024Ask 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 10251065?

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.

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.

Get Full Report