Stellantis bulletin 9100498
What it says3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. NHTSA’s full summary ↓
Stellantis filed this with NHTSA as a service bulletin dated May 12, 2025, received Feb 12, 2025, about the engine — 3 documents under this number: 9100498 Rev 3, 9100498 REV 1 and 1 more. It names 60 model years across Jeep, Ram, Dodge and Chrysler (2016–2025). 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.
One page for every brand it was filed under. Each brand’s bulletins: Jeep · Ram · Dodge · Chrysler.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communication3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. These conditions may be related to worn intake camshaft high lift lobe(s), and intake rocker arm(s) high lift slider. High mileage failure (10,000-60,000 miles). 1. Remove the valve cover(s) per the released service procedures. The use of a stethoscope or DTC specific cylinder misfire codes can help to locate the condition to the left or right bank. 2. Once it has been visually confirmed that there is wear on the high lift intake lobe(s) & rocker arm(s) slider, there is a special service kit for this type of repair which should be used, instead of replacing the complete engine/long block. This kit contains the parts required for the repair (intake cam, rocker arms, sealer and gaskets). Once it is confirmed that the repair will be done using the camshaft/Rocker arms kit, it is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine start up. RU, VF, WL & WD vehicles already include the latest oil pump mode in all 25MY and beyond. 24MY service releases are also available. JL & JT were updated as a running change in 24MY and beyond (08/15/24 & 08/19/24 respectively). 24MY service releases available. DT was updated starting 25MY and beyond. If the vehicle to be repaired is a 24MY vehicle with a service release available, please follow the released service procedures to update to the corresponding calibration/software update.
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 9100498 Rev 3 | Service bulletin | May 12, 2025 | 11018451 | PDF, 160 KB |
| 9100498 REV 1 | Service bulletin | Feb 25, 2025 | 11015065 | PDF, 56 KB |
| 9100498 | Service bulletin | Feb 10, 2025 | 11014231 | 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.
Model years it names
Source: as the manufacturer filed themJeep 23 model years
Ram 11 model years
Dodge 10 model years
and 2 more on this site: 2017 Dodge Durango, 2016 Dodge Durango.
Chrysler 16 model years
and 8 more on this site: 2017 Chrysler Pacifica, 2016 Chrysler Pacifica, 2025 Chrysler Voyager, 2024 Chrysler Voyager, 2023 Chrysler Voyager, 2022 Chrysler Voyager, 2021 Chrysler Voyager, 2020 Chrysler Voyager.
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 60 model years this bulletin names have filed 20,572 complaints with NHTSA since 2015. 4,992 of them name Engine — 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 2017 Chrysler Pacifica, the 267 owners who gave an odometer reading for Engine reported it at a median of 20,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
While driving at highway speed the vehicle flashed a vehicle and I’ll shut down sign. A red turtle flashed and the vehicle began to decelerate. Had to pull over to a less than safe sand shoulder. Had highway speed traffic directly behind me. Dealership pulled codes related to the transmission. No previous issues or sign thereof. 25k miles
2023 Chrysler Pacifica · Engine · filed with NHTSA Apr 3, 2025
While driving on the highway, the engine overheating light came on, the car seemed to be losing power, and I pulled over and was then towed to the dealership. My safety was put at risk as I could have been hit as the car was slowing down in fast traffic; it also was extremely cold (about 5 degrees F) while I waited for the tow truck.
2022 Dodge Durango · Engine · filed with NHTSA Mar 23, 2025
The contact owns a 2020 Chrysler Pacifica Hybrid. The contact stated while driving 75 MPH, the vehicle stalled. The check engine warning light illuminated intermittently. The vehicle was taken to an Auto Parts store for a diagnostic test. The employee retrieved DTC: P0A43-00 (Drive motor ‘A’ position sensor circuit intermittent).
2020 Chrysler Pacifica · Engine · filed with NHTSA Mar 7, 2023
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 group205 other manufacturer communications filed against these Stellantis models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Jeep list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 18-078-26 | Service bulletin | Sep 26, 2026 | Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle mus… |
| 09-023-26 | Service bulletin | Sep 25, 2026 | Umbrella Valve Seal Missing From Cylinder Head Cover Vehicle may exhibit a MIL-ON. SYMPTOM: Upon inspection the technician may find that one… |
| S2609000011 | Service bulletin | Sep 11, 2026 | MIL-On and/or Engine Oil Leak |
| 9100898 | Service bulletin | Sep 8, 2026 | Engine PNs: MY 24-26 WD/DT (5.7L) Code P00B is being misdiagnosed and incorrect parts are being installed causing over repair. Refer to SOL… |
| 9100363 Rev 3 | Service bulletin | Aug 26, 2026 | Turbocharger Kit Please note many parts of the Turbo Assembly can be serviced separately and complete turbo replacement may not be necessary… |
| ID-26-38 REV.A | Warranty extension | Aug 25, 2026 | ID-26-38 Rev. A Dealer Incentive for the Completion of Customer Satisfaction Notification 66D |
| D-26-18 REV.A | Warranty extension | Aug 25, 2026 | D-26-18 Rev. A Dealer Incentive for the Completion of Customer Satisfaction Notification 66D |
| 114238 | Warranty extension | Aug 24, 2026 | Dealer Incentive for the Completion of Customer Satisfaction Notice (CSN) 66D |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Jeep, Ram, Dodge and Chrysler, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Stellantis 9100498 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 9100498 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 9100498 cover?
The manufacturer filed it against 60 model years across 4 brands (Jeep, Ram, Dodge and Chrysler): 2025 Chrysler Pacifica, 2024 Chrysler Pacifica, 2023 Chrysler Pacifica, 2022 Chrysler Pacifica, 2021 Chrysler Pacifica, 2020 Chrysler Pacifica and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.