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Service bulletin B641123

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10249031
Published by NHTSA2024-02-01
Manufacturer's numberB641123
Manufacturer's date2024-01-05
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Check Engine light is on IHKA has stored fault 80131C “IHKA: 12V voltage sensor plausibility”

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

Vehicles listed
BMW X52020, 2021, 2022, 2023, 2024
BMW X5 HYBRID2021 to 2022
BMW X62020, 2021, 2022, 2023, 2024
BMW X6 M2020
BMW X72019, 2020, 2021, 2022, 2023, 2024
BMW XM2023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V6440002025-09-25. ELECTRICAL SYSTEM:STARTER ASSEMBLY
20244442024-08-01. Electrical
24V5760002024-08-01. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY
20206052020-12-10. Electrical
20V7610002020-12-09. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
20V6010002020-09-30. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
20V4900002020-08-18. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY
20V4650002020-08-07. ELECTRICAL SYSTEM:STARTER ASSEMBLY; POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B6305262026-09-28. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, customer may reportsome of the interior ambient lighting strips(arrows) may begin to fail sporadically after adeep sleep cycle. This concern is temporary and the interiorambient lighting will be restored on its ownafter the vehicle is locked/unlocked or colorselection setting is changed.
B6305262026-08-27. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, some of the interiorambient lighting strips (arrows) may begin tofail sporadically after a deep sleep cycle.
B3401242026-08-27. Service campaign. After replacement of the Integrated Braking system (IB)/Power Brake the total distance covered might belower than when handed over to the workshop for the repair.
B1104262026-08-03. 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.
B8402262026-07-31. 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.
B6520262026-07-31. Service bulletin. The Central Information Display (CID) side of the Multifunction Display (MFD) may flicker intermittently. Theflickering manifests itself in three phases: The image is distorted The central information display turns black (black screen) The image is OK again The complete flickering episode with all the above-mentioned three phases only lasts about half a second intotal each time.
B1206262026-07-03. Service campaign. In these vehicles with an S68 engine, an incorrect diagnosis of the Valvetronic (VVT) may occur. Undercertain operating conditions, the software may detect a short-circuit in the valve control system even thoughthere is no fault. When the above-mentioned fault occurs, the red Check Control warning light ‘Drive system fault’ illuminates.This can result in the intake valves closing gradually, which may lead to misfires while the engine is running.
B6520252026-05-18. Service bulletin. After replacing the Multifunctional Display (MFD), the Central Information Display (CID) is black. The backlight of the CID is illuminated, and touch function does register an audible sound.
B1203262026-03-13. Emissions. BMW AG is conducting Voluntary Emissions Recall (effective March 11, 2026) on certain Model Year 2023 -2026 BMW vehicles that were produced between January 14, 2022, and September 16, 2025.
B0620262026-02-25. Other. KLE Control Unit Return