NHTSA service bulletin

NHTSA Service Bulletin 10173279: 2016-2018 Ram 2500

Official manufacturer communication context for 2016-2018 Ram 2500, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10173279 summary graphic for 2016-2018 Ram 2500
10173279NHTSA document ID
Manufacturer communicationcommunication type
2affected 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

CASE ASSEMBLY, Differential For concern of shudder/chatter/vibration from the rear axle that is more prominent during turns and customer has the following: 1) Limited Slip Differential 2) No record of rear axle oil being serviced in the last 20,000 miles 3) No apparent damage to the axle/differential case or differential case internal gears Service the rear axle oil with new and test drive to see if condition is still present. If still present follow standard diagnostic procedures and contact FCA Redacted Content for further assistance.

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
Ram25002016-2018Ask for service records and run the exact VIN before purchase.
Ram35002016-2018Ask 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 10173279?

CASE ASSEMBLY, Differential For concern of shudder/chatter/vibration from the rear axle that is more prominent during turns and customer has the following: 1) Limited Slip Differential 2) No record of rear axle oil being serviced in the last 20,000 miles 3) No apparent damage to the axle/differential case or differential case internal gears Service the rear axle oil with new and test drive to see if condition is.

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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