Ram bulletin 0901723
What it saysDiesel Particulate Filter (DPF) - X97 Warranty Extension Installation of Particulate Matter (PM) sensor. NHTSA’s full summary ↓
Ram filed this with NHTSA as a service bulletin dated Aug 18, 2023, received Oct 2, 2023, about the engine. It names 8 model years (2021–2022). 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 communicationDiesel Particulate Filter (DPF) - X97 Warranty Extension Installation of Particulate Matter (PM) sensor.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 0901723 | Service bulletin | Aug 18, 2023 | 10243261 | not found |
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.
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Model years it names
Source: as the manufacturer filed themAlso filed against model years this site has no page for: 2021 Ram 4500; 2022 Ram 4500; 2021 Ram 5500; 2022 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 4 model years this bulletin names have filed 543 complaints with NHTSA since 2015. 138 of them name Engine, Fuel/Propulsion System — 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.
The contact owns a 2022 Ram 2500. The contact stated that while attempting to start the vehicle, there was a long crank time before the vehicle started. There were no warning lights illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the ambient temperature sensor needed to be replaced.
2022 Ram 2500 · Engine · filed with NHTSA Dec 19, 2022 · ODI 11498098
DEF sensor malfunctions, threatening to limit vehicle to 5 mph or stop completely. This is because DEF fluid freezes in cold weather. Sensor reads that DEF tank is empty, even when it is full. Contacted local dealer who confirmed the issue and noted that it is a prevalent problem and he has a backlog of trucks with the same issue.
2022 Ram 2500 · Fuel/Propulsion System · filed with NHTSA Mar 7, 2022 · ODI 11455502
I took the vehicle to the dealer for recall Manufacturer Recall Number13A NHTSA Recall Number23V-060 The dealer told me that they can only order one per week. I will have to wait over a year for the part to come in. This is a fire hazard and I have been advised to not park the vehicle in the garage or near other vehicles.
2021 Ram 3500 · Fuel/Propulsion System · filed with NHTSA Jul 18, 2023 · ODI 11533101
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 engine
Source: same model, same component group57 other manufacturer communications filed against these Ram models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Ram list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 09-025-26 | Service bulletin | Oct 13, 2026 | Starter Terminal Nut Under Torqued Customers may comment on one or more of the following: SYMPTOM: ● Starter clicking but not starting. ● No… |
| 07-006-26 | Service bulletin | Sep 1, 2026 | Engine Overheat Customers may comment on the following: SYMPTOM: ● Vehicle overheating. ● Temperature gauge is reading hot. ● Overheat symbo… |
| 114255 | Service bulletin | Aug 26, 2026 | RADIATOR - ENGINE COOLING |
| 114254 | Service bulletin | Aug 26, 2026 | RADIATOR - ENGINE COOLING |
| 9100882 | Service bulletin | Aug 17, 2026 | PULLEY Fan If replacing 68209745AA, also replace 68723388AA, 05086958AB, and 68000833AD. Retain bolts, mark each with its original location… |
| 18-038-26 REV. A | Service bulletin | Jul 29, 2026 | Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exh… |
| 113754 | Service bulletin | Jul 29, 2026 | SENSOR - EXHAUST TEMPERATURE |
| 113293 | Service bulletin | Jul 8, 2026 | INJECTOR - FUEL |
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 0901723 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 0901723 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 0901723 cover?
The manufacturer filed it against 8 model years: 2022 Ram 2500, 2021 Ram 2500, 2022 Ram 3500, 2021 Ram 3500, 2021 Ram 4500, 2022 Ram 4500 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.