NHTSA service bulletin

NHTSA Service Bulletin 615334: 1999 Ford Econoline

Official manufacturer communication context for 1999 Ford Econoline, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 615334 summary graphic for 1999 Ford Econoline
615334NHTSA document ID
Manufacturer communicationcommunication type
6affected 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

SOME VEHICLES WITH 4R100 TRANSMISSION MAY EXHIBIT A FLASHING TCIL WITH DIAGNOSTIC TROUBLE CODE (DTC) 1728 IN MEMORY.DTC 1728 IS DEFINED AS INTERNAL TRANSMISSION ELEMENT SLIPPAGE. THIS SPLIPPAGE CAN OCCUR ANYWHERE IN THE TRANSMISSION INCLUDING THE TORQUE CONVERTER.*TT

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
FordEconoline1999Ask for service records and run the exact VIN before purchase.
FordExpedition1999Ask for service records and run the exact VIN before purchase.
FordF Super Duty1999Ask for service records and run the exact VIN before purchase.
FordF-1501999Ask for service records and run the exact VIN before purchase.
FordF-2501999Ask for service records and run the exact VIN before purchase.
LincolnNavigator1999Ask 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 615334?

SOME VEHICLES WITH 4R100 TRANSMISSION MAY EXHIBIT A FLASHING TCIL WITH DIAGNOSTIC TROUBLE CODE (DTC) 1728 IN MEMORY.DTC 1728 IS DEFINED AS INTERNAL TRANSMISSION ELEMENT SLIPPAGE. THIS SPLIPPAGE CAN OCCUR ANYWHERE IN THE TRANSMISSION INCLUDING THE TORQUE CONVERTER.*TT

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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