NHTSA service bulletin

NHTSA Service Bulletin 10174896: 2016-2021 Toyota 4runner

Official manufacturer communication context for 2016-2021 Toyota 4runner, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10174896 summary graphic for 2016-2021 Toyota 4runner
10174896NHTSA document ID
Manufacturer communicationcommunication type
27affected product rows
27source 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

TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage SSTs and readily available tools to support sensor angle confirmation in varying shop environments.

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
Toyota4runner2021Ask for service records and run the exact VIN before purchase.
ToyotaAvalon2016-2021Ask for service records and run the exact VIN before purchase.
ToyotaAvalon Hybrid2021Ask for service records and run the exact VIN before purchase.
ToyotaC-hr2021Ask for service records and run the exact VIN before purchase.
ToyotaCamry2018-2021Ask for service records and run the exact VIN before purchase.
ToyotaCamry Hybrid2021Ask for service records and run the exact VIN before purchase.
ToyotaCorolla2017-2021Ask for service records and run the exact VIN before purchase.
ToyotaCorolla Hatchback2020, 2021Ask for service records and run the exact VIN before purchase.
ToyotaCorolla Hybrid2021Ask for service records and run the exact VIN before purchase.
ToyotaCorolla Im2017, 2018Ask for service records and run the exact VIN before purchase.
ToyotaHighlander2017-2021Ask for service records and run the exact VIN before purchase.
ToyotaHighlander Hybrid2021Ask for service records and run the exact VIN before purchase.
ToyotaLand Cruiser2016-2021Ask for service records and run the exact VIN before purchase.
ToyotaMirai2020, 2021Ask for service records and run the exact VIN before purchase.
ToyotaPrius2021Ask for service records and run the exact VIN before purchase.
ToyotaPrius C2016-2020Ask for service records and run the exact VIN before purchase.
ToyotaPrius Prime2017-2021Ask for service records and run the exact VIN before purchase.
ToyotaRav42016-2021Ask 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 10174896?

TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage SSTs and readily available tools to support sensor angle confirmation in varying shop environments.

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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