BMW service campaign 0084380200
What it saysOnce the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote Services(remote engine start, lock/unlock/climate conditioning) will not be able to reactivate the TCB2. NHTSA’s full summary ↓
BMW filed this with NHTSA as a service campaign dated Jul 10, 2026, received Jul 31, 2026, about the electrical system — 1 document under this number: B840326. It names 2 model years (2020). A service campaign is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationWhat it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.
Once the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote Services(remote engine start, lock/unlock/climate conditioning) will not be able to reactivate the TCB2. Due to this issue, Remote Services will not function in the vehicle when parked and locked.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| B840326 | Service campaign | Jul 10, 2026 | 11035409 | PDF, 128 KB |
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 2 model years this bulletin names have filed 1 complaint with NHTSA since 2015. 1 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.
The contact owns a 2020 Bmw I8. The contact received notification of NHTSA campaign number: 20v601000 (electrical system). The contact stated that the vehicle was taken to the dealer for the recall repair. The mechanic stated that there were several high voltage battery cells that were faulty.
2020 BMW i8 · Electrical System · filed with NHTSA May 19, 2021 · ODI 11417740
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 group4 other manufacturer communications filed against these BMW models under the same component group (electrical system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 6127900700 | Warranty extension | Mar 13, 2025 | The High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in m… |
| B611305 | Service bulletin | Jan 11, 2024 | The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased… |
| SIB651312 | Service bulletin | May 1, 2022 | The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609… |
| B012021 | Service bulletin | Nov 1, 2021 | For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Fuel Injectors to: 15 year… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for BMW, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is BMW 0084380200 a recall?
No. A service campaign 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 0084380200 repair free?
A service campaign is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does 0084380200 cover?
The manufacturer filed it against 2 model years: 2020 BMW i3, 2020 BMW i8. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: built 28 Oct 2017 – 1 Sep 2021 — the build date is on the certification label in the driver’s door jamb.