Service bulletin B840416
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10171504 |
| Published by NHTSA | 2020-02-18 |
| Manufacturer's number | B840416 |
| Manufacturer's date | 2020-01-01 |
| NHTSA component | ELECTRICAL SYSTEM; EQUIPMENT |
NHTSA's summary
SOS MALFUNCTION DISPLAYED This Service Information Bulletin (Revision 1) replaces SI B84 04 16 dated September 2016. One or all the following may be experienced in the vehicle: An SOS malfunction is seen in the Kombi (aka instrument cluster) When pressing the E-Call/SOS button in the overhead console nothing happens Fault code B7F33C (internal ECU error) is stored in the Telematics control unit (ATM/TCB2) There are 2 known causes for this failure. They are as follows: Software file missing from the ATM/TCB2 control module Water leak at the "shark fin" roof antenna (aka roof aerial) leading to corrosion in the ATM/TCB2 control module.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Equipment and accessories
| BMW 228I | 2014, 2015, 2016 |
|---|---|
| BMW 230I | 2017, 2018, 2019, 2020 |
| BMW 320I | 2013, 2014, 2015, 2016, 2017, 2018 |
| BMW 328D | 2014, 2015, 2016, 2017, 2018 |
| BMW 328I | 2012, 2013, 2014, 2015, 2016 |
| BMW 330E | 2016, 2017, 2018 |
| BMW 330I | 2017, 2018, 2019, 2020 |
| BMW 335I | 2012, 2013, 2014, 2015, 2016, 2017 |
| BMW 340I | 2016, 2017, 2018 |
| BMW 340I | 2020 |
| BMW 428I | 2014, 2015, 2016 |
| BMW 430I | 2017, 2018, 2019, 2020 |
| BMW 435I | 2014, 2015, 2016 |
| BMW 440I | 2017, 2018, 2019, 2020 |
| BMW 5-SERIES GRAN TURISMO | 2017 |
| BMW 740E | 2017, 2018, 2019 |
| BMW 740I | 2017, 2018, 2019, 2020 |
| BMW 740LI | 2016 to 2017 |
| BMW 745E | 2020 |
| BMW 750I | 2018, 2019 |
| BMW 750LI | 2016 to 2019 |
| BMW ACTIVE HYBRID 3 | 2013 |
| BMW ACTIVE HYBRID 3 | 2014, 2015 |
| BMW B7 ALPINA | 2018 to 2020 |
| BMW C 400 X | 2018 |
| BMW M235I | 2014, 2015, 2016 |
| BMW M240I | 2017, 2018, 2019, 2020 |
| BMW M3 | 2015, 2016, 2017, 2018 |
| BMW M4 | 2015, 2016, 2017, 2018, 2019, 2020 |
| BMW M760I | 2017, 2018, 2019, 2020 |
| BMW R 1200 GS ADVENTURE | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| BMW R 1250 GS ADVENTURE | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| BMW R1200 S ADVENTURE | 2018 |
| BMW S1000 R | 2018 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2026332 | 2026-07-08. Electrical |
|---|---|
| 26V441000 | 2026-07-08. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY |
| 2025499 | 2025-09-23. Electrical |
| 25V636000 | 2025-09-23. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY |
| 24V608000 | 2024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP |
| 2024444 | 2024-08-01. Electrical |
| 24V576000 | 2024-08-01. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY |
| 23V584000 | 2023-08-16. ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS |
| 19V589000 | 2019-08-12. ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS |
| 2019310 | 2019-06-20. Electrical |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| B110426 | 2026-08-03. Service bulletin. The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate. |
|---|---|
| B840226 | 2026-07-31. Service campaign. 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. |
| B720125 | 2026-02-23. Warranty extension. A situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the seat to a slightly different position. The POL (Passenger Occupancy Light) light should now function correctly. In some cases, the Air bag Warning Light was illuminated, and the following Advanced Crash Safety Module (ACSM) fault is stored: 930A1C - Front passenger seat occupancy detection transmitting fault (moisture) |
| B720125 | 2025-11-03. Warranty extension. A situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the seat to a slightly different position. The POL (Passenger Occupancy Light) light should now function correctly. In some cases, the Air bag Warning Light was illuminated, and the following Advanced Crash Safety Module (ACSM) fault is stored: 930A1C - Front passenger seat occupancy detection transmitting fault (moisture) |
| B720125 | 2025-04-18. Warranty extension. The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date. |
| B720225 | 2025-04-18. Warranty extension. The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date. |
| B012016 | 2025-02-24. Warranty extension. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 240,000 miles as determined from the original first in-service / delivery date. |
| B011624 | 2025-01-23. Warranty extension. The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty. |
| B011824 | 2025-01-02. Warranty extension. The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date. |
| B011124 | 2024-12-31. Warranty extension. the High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service/first delivery date. |