Stellantis bulletin ReferenceY40
What it saysCustomer Satisfaction Notification Y40 Control Module Software Updates NHTSA’s full summary ↓
Stellantis filed this with NHTSA as a service bulletin dated Jan 12, 2024, received Mar 18, 2024, about the electrical system. It names 13 model years across Jeep, Ram and Chrysler (2018–2022). 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.
One page for every brand it was filed under. Each brand’s bulletins: Jeep · Ram · Chrysler.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationCustomer Satisfaction Notification Y40 Control Module Software Updates
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| ReferenceY40 | Service bulletin | Jan 12, 2024 | 10251816 | 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 themJeep 5 model years
Ram 3 model years
Chrysler 5 model years
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 13 model years this bulletin names have filed 8,425 complaints with NHTSA since 2015. 2,230 of them name Electrical 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.
On the 2019 Ram 1500, the 99 owners who gave an odometer reading for Electrical System reported it at a median of 19,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
The contact owns a 2021 Jeep Wrangler 4XE. The contact stated that while driving at 75 MPH, the vehicle lost motive power rapidly and unexpectedly. The contact pulled over to the shoulder before the vehicle stalled. The contact returned to the contact's residence safely, and the vehicle was towed to the dealer the following day.
2021 Jeep Wrangler · Electrical System · filed with NHTSA Oct 19, 2026 · ODI 11772185
The contact owns a 2020 Chrysler Pacifica Hybrid. The contact received notification of NHTSA Campaign Number: 23V010000 (Electrical System, Hybrid Propulsion System) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.
2020 Chrysler Pacifica · Electrical System · filed with NHTSA Mar 8, 2023 · ODI 11510873
The contact owns a 2022 Jeep Wrangler. The contact stated that while operating the vehicle the check engine warning light had remained illuminated. The vehicle was taken to the local dealer who unable to determine the cause of the check engine light and the vehicle was not repaired. The manufacturer was not yet contacted.
2022 Jeep Wrangler · Electrical System · filed with NHTSA May 21, 2026 · ODI 11739277
In depth: 2021 Chrysler Pacifica electrical problems → · 2020 Chrysler Pacifica electrical problems → · 2019 Chrysler Pacifica electrical problems → · 2022 Jeep Wrangler electrical 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 electrical system
Source: same model, same component group571 other manufacturer communications filed against these Stellantis models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Jeep list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| S2608000041 | Service bulletin | Oct 22, 2026 | MIL-On After a Powertrain Control Module (PCM) Replacement |
| S2608000040 | Service bulletin | Oct 21, 2026 | The Customer States There Is a Blinking Odometer. Firmware Over-The-Air (FOTA) Fails With Message To Visit The Dealer. |
| 08-388-26 | Service bulletin | Oct 20, 2026 | R1H Radio U43.17 Software Update - Dealer Option Customers may experience one or more of the following: SYMPTOM: ● Screen freeze or radio re… |
| 08-386-26 | Service bulletin | Oct 20, 2026 | Flash: Trailer Tow Module (TTM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message is displayed in… |
| 08-298-26 | Service bulletin | Oct 17, 2026 | Instrument Panel Cluster (IPC) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● **A blank electronic vehicle… |
| S2608000039 | Service bulletin | Oct 16, 2026 | Trailer Reverse Steering Control Radio Soft Button Blinks Even Without a User-Initiated Calibration |
| 08-280-26 | Service bulletin | Oct 16, 2026 | Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● "Check Trailer Turn Lamp" message… |
| 08-376-26 | Service bulletin | Oct 15, 2026 | Blindspot Alert Unavailable Service Required Warning Message Customers must experience on one or more of the following: SYMPTOM: ● “Blindspo… |
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 and Chrysler, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Stellantis ReferenceY40 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 ReferenceY40 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 ReferenceY40 cover?
The manufacturer filed it against 13 model years across 3 brands (Jeep, Ram and Chrysler): 2021 Chrysler Pacifica, 2020 Chrysler Pacifica, 2019 Chrysler Pacifica, 2021 Chrysler Voyager, 2020 Chrysler Voyager, 2022 Jeep Wrangler and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.