Ram bulletin S1203000003 REV. A
What it saysTrac-Rite Operation Diagnosis, Chatter, Shudder, Moving From A Stop And Turning NHTSA’s full summary ↓
Ram filed this with NHTSA as a service bulletin dated Jun 26, 2026, received Jul 2, 2026, about the service brakes. It names 12 model years (2016–2018). 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 communicationTrac-Rite Operation Diagnosis, Chatter, Shudder, Moving From A Stop And Turning
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| S1203000003 REV. A | Service bulletin | Jun 26, 2026 | 11034393 |
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 themAlso filed against model years this site has no page for: 2016 Ram 4500; 2017 Ram 4500; 2018 Ram 4500; 2016 Ram 5500; 2017 Ram 5500; 2018 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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What owners reported
Source: NHTSA complaint databaseOwners of the 6 model years this bulletin names have filed 4,826 complaints with NHTSA since 2015. 3,803 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 2018 Ram 2500, the 460 owners who gave an odometer reading for Service Brakes reported it at a median of 59,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
2018 Ram 2500 hd diesel 13000 miles, 3 separate occasions, under all driving conditions, brake pedal went to floor requiring pumping action to stop vehicle. Other occasions pedal feels spongy. No service available. One dealer was 4 weeks out scheduling two other are 1-2 weeks scheduling. Vehicle is scheduled for drop off october 4th 2018
2018 Ram 2500 · Service Brakes · filed with NHTSA Sep 27, 2018 · ODI 11131951
The recommended pressure for front axle tires is 60 PSI, with axle load rating of 5500 pounds. The recommended pressure for rear axle tires is 80 PSI with axle rating of 6500 pounds. According to firestone, the manufacturer of the factory installed tires, the pressure required for even rear axle max load weight rating is 70 PSI.
2016 Ram 2500 · Service Brakes · filed with NHTSA Aug 12, 2016 · ODI 10895256
The contact owns a 2017 Ram 3500. While driving with a trailer connected, the "trailer brake not connected" message illuminated. The vehicle was taken to pine belt chrysler jeep dodge Ram (1400 ocean ave, route-88, lakewood, nj 08701), but the failure could not be duplicated. The vehicle was repaired but repairs were unknown.
2017 Ram 3500 · Service Brakes · filed with NHTSA Mar 9, 2018 · ODI 11078315
In depth: 2018 Ram 2500 brake problems → · 2017 Ram 2500 brake problems → · 2018 Ram 3500 brake problems → · 2017 Ram 3500 brake 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 service brakes
Source: same model, same component group18 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.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| S2523000055 REV. C | Service bulletin | Jun 25, 2026 | "Mil-On/Check Engine Lamp (CEL), Antilock Brake System (ABS) Lamp, Diagnostic Trouble Code (DTCs)." |
| 03D Campaign | Other | Feb 25, 2026 | Fleet Campaign Parts Ordering Process (03D) |
| 110082 | Service bulletin | Feb 6, 2026 | MODULE - TRAILER BRAKE & TOWING CONTROL |
| S2505000003 | Service bulletin | Dec 10, 2025 | Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair. |
| S2508000098 | Service bulletin | Nov 1, 2025 | Auto Emergency Braking Unavailable/Service Required Message on Cluster |
| S2508000090 | Service bulletin | Oct 16, 2025 | Brakes Appear to Drag After Setting Trailer Brake Feature in the Radio Settings |
| S2508000075 | Service bulletin | Sep 25, 2025 | Integrated Trailer Brake (ITB) Switch Removal |
| S2523000060 | Service bulletin | Jun 20, 2025 | Antilock Brake System (ABS) Lamp on. Diagnostic Trouble Code(s) (DTC) C0037-2F, C003A-2F Left Or Right Rear Speed Sensor Signal Erratic Set. |
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.
Common questions
Source: NHTSA, 49 CFR 579.5Is Ram S1203000003 REV. A 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 S1203000003 REV. A 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. Every Stellantis warranty extension on file lists the ones Stellantis has filed.
Which vehicles does S1203000003 REV. A cover?
The manufacturer filed it against 12 model years: 2018 Ram 2500, 2017 Ram 2500, 2016 Ram 2500, 2018 Ram 3500, 2017 Ram 3500, 2016 Ram 3500 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.