Alfa Romeo bulletin 08-343-26
What it saysFlash: Body Control Module (BCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. NHTSA’s full summary ↓
Alfa Romeo filed this with NHTSA as a service bulletin dated Sep 25, 2026, received Sep 30, 2026, about the electrical system. It names 1 model year (2024). 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 communicationFlash: Body Control Module (BCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● B25C9 - Driver Door Ajar Switch 2 Stuck Closed. ● U1412-09 - ASU (Alarm Siren Unit) - Component Failures. ● U1413-09 - UAM (Ultrasonic And Antitilt Module) - Component Failures. Customers may comment on **one or more of** the following: ● The battery is depleted, vehicle will not start. NOTE: The depleted battery is due to a high Ignition Off Draw (IOD) current. ● When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened (engine off), the Headlamps On alert chime activates until the headlamps turn themselves off (no chime should be heard while in this mode). This bulletin involves reprogramming the BCM with the latest available software.
Trouble codes it names: B25C9
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 08-343-26 | Service bulletin | Sep 25, 2026 | 11037588 |
What the document itself lists
Labour operation and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 18-19-02-JZ | Module, Body Control (BCM) - Reprogram | 0.3 hrs |
Read by machine from the document NHTSA serves (3 pages), read Oct 1, 2026. A part number is shown only where it matches Alfa Romeo’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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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 themA 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 1 model year this bulletin names have filed 10 complaints with NHTSA since 2015. 3 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.
Leased a brand new 2024 Alfa Romeo Tonale (first year new model production) on 12-23-23. This is a hybrid. On at 1347 miles the car would not start. Entire electrical system shut down. Towed to dealership were purchased - Stateline Alfa Romeo in Fort Mill SC.
2024 Alfa Romeo Tonale · Electrical System · filed with NHTSA Feb 18, 2024
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 group47 other manufacturer communications filed against the Alfa Romeo Tonale under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Alfa Romeo list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 08-251-26 | Service bulletin | Sep 25, 2026 | Flash: Body Control Module (BCM) Updates Customers may experience the following: SYMPTOM: ● The battery is depleted, vehicle will not start.… |
| 08-345-26 | Service bulletin | Sep 25, 2026 | Flash: Body Control Module (BCM) Updates Customers may experience the following: SYMPTOM: ● The battery is depleted, vehicle will not start.… |
| 08-252-26 | Service bulletin | Jun 27, 2026 | Heated Seats and Heated Wheel Turn Off Or Become Disabled Customers may comment on the following: ● Customer may comment that their Heated S… |
| 08-242-26 | Service bulletin | Jun 16, 2026 | Flash: Auxiliary Hybrid Control Processor Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYM… |
| 08-200-26 | Service bulletin | May 5, 2026 | Instrument Panel Cluster (IPC) Content Missing Or Screen Blank Customers may experience the following: ● IPC content missing, display abnorm… |
| 08-148-26 | Service bulletin | Apr 14, 2026 | The following software enhancement is available: ● This software update enables the feature Active Cabin Ventilation (ACV). This bulletin pr… |
| S1408000384 | Service bulletin | Mar 4, 2026 | "Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Messa… |
| S228A000025 REV. A | Service bulletin | Feb 21, 2026 | Harman R1H Uconnect 5 Radio Software Flash Error Codes |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Alfa Romeo, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Alfa Romeo 08-343-26 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 08-343-26 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 08-343-26 cover?
The manufacturer filed it against 1 model year: 2024 Alfa Romeo Tonale. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.