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Manufacturer communication · Service bulletin

Ram bulletin S2523000091

What it saysAntilock Brake (ABS) Light On. NHTSA’s full summary ↓

Ram filed this with NHTSA as a service bulletin dated Dec 10, 2025, received Dec 17, 2025, about the service brakes. It names 8 model years (2019–2026). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

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What the bulletin says

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

Antilock Brake (ABS) Light On. Intermittent Or Implausible Wheel Speed Sensor Signal Diagnostic Trouble Codes (DTCs)

Kind Service bulletin Manufacturer date Dec 10, 2025 Received by NHTSA Dec 17, 2025 Components Service Brakes

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
S2523000091Service bulletinDec 10, 202511026632PDF

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

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.

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What owners reported

Source: NHTSA complaint database

Owners of the 8 model years this bulletin names have filed 4,134 complaints with NHTSA since 2015. 378 of them name Service Brakes — 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 53 owners who gave an odometer reading for Service Brakes reported it at a median of 13,900 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.

I was pulling out of a gas station onto the main road and the truck started shaking and died, parking brake came on and the battery right came on….1st incident Second incident I was baking out of a parking space and the same thing happened, truck started shaking and died, parking brake came on and the battery light lit up on the dash….

2024 Ram 1500 · Service Brakes · filed with NHTSA Jan 8, 2025

The contact owns a 2020 Ram 1500. The contact stated that on several occasions while the vehicle was in drive or in reverse, the brakes activated independently without warning. The manufacturer was notified of the failure however, provided no additional assistance. The vehicle was not repaired. The failure mileage was approximately 500

2020 Ram 1500 · Service Brakes · filed with NHTSA Jun 5, 2020

I purchased the truck on 10/4/2019. On 10/6/2019 was delivered to my house. After going over the features the sales representative left. I tried backing the truck out of the drive way the truck would not back up because of the brake sensor system. The buttons to control the functions on the steering wheel did not work as well.

2019 Ram 1500 · Service Brakes · filed with NHTSA Oct 18, 2018

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 service brakes

Source: same model, same component group

22 other manufacturer communications filed against the Ram 1500 under the same component group (service brakes), newest first. The eight newest are listed; the rest are on the Ram list.

NumberKindDatedNHTSA’s summary
05-003-26Service bulletinAug 14, 2026Brake Fluid Leak At The Brake System Control Module 2 (BSCM2) The customer may comment the following: SYMPTOM: ● Drops of brake fluid are on…
08-269-26Service bulletinJul 8, 2026R1L/R1H Trailer Brake Setting In Radio Cannot Be Changed Customers may experience the following: SYMPTOM: ● Trailer brake setting in radio c…
113123Service bulletinJun 29, 2026SPRING KIT - DISC BRAKE PAD
08-237-26Service bulletinJun 11, 2026Flash: Brake System Control Module (BSCM) Update Customers may comment on the following: ● Anti-Lock Brake System (ABS), Electronic Stabilit…
S2605000002Service bulletinMar 6, 2026Whoosh Or Click Noise Heard From Brake Assembly eBooster When Pressing Brake Pedal And After A Recent Repair.
03D CampaignOtherFeb 25, 2026Fleet Campaign Parts Ordering Process (03D)
110463Service bulletinFeb 23, 2026SWITCH - TRAILER BRAKE CONTROL MODULE , ADAPTER & WIRING KIT - TRAILER TOW.
S2505000003Service bulletinDec 10, 2025Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.

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 S2523000091 a recall?

No. A service bulletin 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 S2523000091 repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.

Which vehicles does S2523000091 cover?

The manufacturer filed it against 8 model years: 2026 Ram 1500, 2025 Ram 1500, 2024 Ram 1500, 2023 Ram 1500, 2022 Ram 1500, 2021 Ram 1500 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.