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Manufacturer communication · Service bulletin

Ram bulletin S2523000060

What it saysAntilock Brake System (ABS) Lamp on. NHTSA’s full summary ↓

Ram filed this with NHTSA as a service bulletin dated Jun 20, 2025, received Jun 26, 2025, about the service brakes. It names 2 model years (2025). 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 System (ABS) Lamp on. Diagnostic Trouble Code(s) (DTC) C0037-2F, C003A-2F Left Or Right Rear Speed Sensor Signal Erratic Set.

Kind Service bulletin Manufacturer date Jun 20, 2025 Received by NHTSA Jun 26, 2025 Components Service Brakes

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
S2523000060Service bulletinJun 20, 202511019759PDF

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 2 model years this bulletin names have filed 104 complaints with NHTSA since 2015. 24 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.

I purchased a new 2025 RAM 2500 on June 2, 2025. Within the first week, I began experiencing very soft brake response. Occasionally, I can press the brake pedal to the floor with modest effort, and most of the time, I need to double or triple tap the brakes to achieve a firm response.

2025 Ram 2500 · Service Brakes · filed with NHTSA Nov 14, 2025

I received notification of a safety recall on my 2025 Ram 3500 (NHTSA Recall Number26V-059) which affects the trailer lights and braking system. I contacted my dealership to schedule the repair and was told that it would be about 6+ months before they could get to me.

2025 Ram 3500 · Service Brakes · filed with NHTSA Apr 8, 2026

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

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

NumberKindDatedNHTSA’s summary
S1203000003 REV. AService bulletinJun 26, 2026Trac-Rite Operation Diagnosis, Chatter, Shudder, Moving From A Stop And Turning
S2523000055 REV. CService bulletinJun 25, 2026"Mil-On/Check Engine Lamp (CEL), Antilock Brake System (ABS) Lamp, Diagnostic Trouble Code (DTCs)."
03D CampaignOtherFeb 25, 2026Fleet Campaign Parts Ordering Process (03D)
08-021-26Service bulletinJan 28, 2026Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle…
S2505000003Service bulletinDec 10, 2025Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
S2508000098Service bulletinNov 1, 2025Auto Emergency Braking Unavailable/Service Required Message on Cluster
S2508000075Service bulletinSep 25, 2025Integrated Trailer Brake (ITB) Switch Removal
S2508000041Service bulletinMay 27, 2025Auxiliary Switch Bank Is Inoperative Discussion: Some customers may state that the lower switch bank is inop. This includes the Tow/Haul, E…

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 S2523000060 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 S2523000060 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 S2523000060 cover?

The manufacturer filed it against 2 model years: 2025 Ram 2500, 2025 Ram 3500. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.