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Manufacturer communication · Warranty extension

Ram warranty extension 100599

What it saysFCA Caribbean Warranty Bulletin ID-24-16 Rev. NHTSA’s full summary ↓

Ram filed this with NHTSA as a warranty extension dated Sep 18, 2024, received Sep 24, 2024, about the power train. It names 30 model years (2019–2024). A warranty extension is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.

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What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

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) vehicles to the Powertrain Pre-Authorization program to ensure proper repair of Rear Axle Assembly failures and to assist in quality improvements. REV. A

One of the 432 warranty extensions and special-coverage programs on file — every make, with the term each runs to.

Kind Warranty extension Manufacturer date Sep 18, 2024 Received by NHTSA Sep 24, 2024 Components Power Train

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
100599Warranty extensionSep 18, 202411007994PDF, 474 KB

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them

Also filed against model years this site has no page for: 2019 Ram 4500; 2020 Ram 4500; 2021 Ram 4500; 2022 Ram 4500; 2023 Ram 4500; 2024 Ram 4500; 2019 Ram 5500; 2020 Ram 5500; 2021 Ram 5500; 2022 Ram 5500; 2023 Ram 5500; 2024 Ram 5500.

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

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A weekly email, sent only in a week when Ram files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.

What owners reported

Source: NHTSA complaint database

Owners of the 18 model years this bulletin names have filed 5,070 complaints with NHTSA since 2015. 772 of them name Power Train — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.

On the 2019 Ram 1500, the 75 owners who gave an odometer reading for Power Train reported it at a median of 15,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.

Was sitting at a light (auto engine shut-off was on). When the light turned green, lifted off the break to push the gas to go. Truck shut off, all lights on the dashboard lit up and truck was automatically shifted into park with emergency brake on. Attempted to restart the truck several times. Truck finally started after 8th attempt.

2022 Ram 1500 · Power Train · filed with NHTSA May 25, 2022 · ODI 11466039

The transmission lost gears 1 through 4 on the freeway in traffic. We were going approximately 25mph in the fast lane when it happened. We were lucky enough to have enough speed to make it to the shoulder, but were left stranded on the shoulder. Truck is at dealer needing a transmission replacement that can't be ordered at this time

2022 Ram 3500 · Power Train · filed with NHTSA Feb 18, 2023 · ODI 11507973

The contact owns a 2021 Ram 1500. The contact stated that while driving at an undisclosed speed, the vehicle stalled and shifted to park inadvertently. The contact restarted the vehicle however, the vehicle would not move because the automatic emergency braking had engaged inadvertently. The vehicle was not diagnosed nor repaired.

2021 Ram 1500 · Power Train · filed with NHTSA Apr 19, 2021 · ODI 11412814

In depth: 2022 Ram 1500 transmission and drivetrain problems → · 2021 Ram 1500 transmission and drivetrain problems → · 2020 Ram 1500 transmission and drivetrain problems → · 2019 Ram 1500 transmission and drivetrain problems →

A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.

More bulletins about the power train

Source: same model, same component group

135 other manufacturer communications filed against these Ram models under the same component group (power train), newest first. The eight newest are listed; the rest are on the Ram list.

NumberKindDatedNHTSA’s summary
18-071-26 REV. BService bulletinOct 6, 2026Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may…
18-075-26Service bulletinOct 3, 2026Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle mus…
115032Service campaignOct 3, 2026Customer Satisfaction Notification A0D – Electronic Shift Module - Dealer Notification The Electronic Shift Module (ESM) software on about 2…
S2621000004Service bulletinSep 30, 2026The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tec…
21-062-26Service bulletinSep 25, 2026Transmission Rattle Customers may comment on the following: SYMPTOM: ● Rattle noise coming from the transmission. This bulletin involves ins…
114739Service bulletinSep 24, 2026TRANSMISSION KIT - WITH TORQUE CONVERTER
08-308-26Service bulletinAug 6, 2026Flash: Electronic Shift Module (ESM) Updates Customers may comment on one or more of the following: SYMPTOM: ● Shifter is unresponsive. ● Un…
08-302-26Service bulletinAug 1, 2026Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must…

Quote the number at the service desk. It is what the dealer’s system is keyed on.

Every manufacturer communication NHTSA holds for Ram, by the number printed on the letter.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Ram 100599 a recall?

No. A warranty extension is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the 100599 repair free?

A warranty extension is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.

Which vehicles does 100599 cover?

The manufacturer filed it against 30 model years: 2024 Ram 1500, 2023 Ram 1500, 2022 Ram 1500, 2021 Ram 1500, 2020 Ram 1500, 2019 Ram 1500 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.