TSB 100599 — Ram Warranty extension

100599 is a warranty extension on file with NHTSA for 3 Ram models, 2019–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. FCA Caribbean Warranty Bulletin ID-24-16 Rev. Announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT)…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
3Vehicles named
6Model years

Worth checking your VIN against. 100599 is filed as a warranty extension, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.

Vehicles and model years 100599 names

VehicleModel years
Ram 1500 2019, 2020, 2021, 2022, 2023, 2024
Ram 2500 2019, 2020, 2021, 2022, 2023, 2024
Ram 3500 2019, 2020, 2021, 2022, 2023, 2024

Every document filed under 100599

Document IDFiledType
100599 September 18, 2024 Warranty extension

What 100599 covers

Transmission & drivetrain — the component vocabulary NHTSA files this communication under.

← All Ram 1500 TSB years TSB lookup by model

Questions buyers ask

What is TSB 100599?

100599 is a warranty extension filed with NHTSA by Ram, covering 3 Ram models across the 2019–2024 model years. NHTSA's summary reads: FCA Caribbean Warranty Bulletin ID-24-16 Rev. Announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT)…

Which vehicles does 100599 cover?

NHTSA's file names Ram 1500 (2019–2024); Ram 2500 (2019–2024); Ram 3500 (2019–2024). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 100599 a recall, and is the repair free?

100599 is filed as a warranty extension, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.

How do I get the full text of 100599?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 100599, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 100599. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.