NHTSA service bulletin

NHTSA Service Bulletin 10172858: 2020 Toyota 4runner

Official manufacturer communication context for 2020 Toyota 4runner, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10172858 summary graphic for 2020 Toyota 4runner
10172858NHTSA document ID
Manufacturer communicationcommunication 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

TT: Some 2020 model year vehicles may display abnormal Safety Connect operation during PDS or after replacement due to DCM activation issues. If there are no DTCs present and after the initial SOS light flashing sequence after ignition on, neither the red nor green light stays on in the overhead console determine if the vehicle is in shipping mode. To determine if a vehicle is experiencing this condition, connect a Techstream and navigate to: Telematics-Data List - ?Telematics Activation Status?. If this value is displayed as "Shipping", continue to the Shipping Mode recommendations below, and do not create a TAS case.

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
Toyota4runner2020Ask for service records and run the exact VIN before purchase.
ToyotaC-hr2020Ask for service records and run the exact VIN before purchase.
ToyotaCamry2020Ask for service records and run the exact VIN before purchase.
ToyotaCorolla2020Ask for service records and run the exact VIN before purchase.
ToyotaRav42020Ask for service records and run the exact VIN before purchase.
ToyotaSequoia2020Ask for service records and run the exact VIN before purchase.
ToyotaTacoma2020Ask for service records and run the exact VIN before purchase.
ToyotaTundra2020Ask 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 10172858?

TT: Some 2020 model year vehicles may display abnormal Safety Connect operation during PDS or after replacement due to DCM activation issues. If there are no DTCs present and after the initial SOS light flashing sequence after ignition on, neither the red nor green light stays on in the overhead console determine if the vehicle is in shipping mode. To determine if a vehicle is experiencing this condition, connect a.

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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