# Service bulletin B611924

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: 11006743
- Published by NHTSA: 2024\-09\-02
- Manufacturer's number: B611924
- Manufacturer's date: 2024\-08\-10
- Campaign id or software version: tsb does not contain info.
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Replace Cell Modules.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006743-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006743-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2024 BMW IX

## Recalls for the same vehicles and component

- [25V395000](/recalls/nhtsa/25V395000.md), 2025-07-23: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE
- [25V470000](/recalls/nhtsa/25V470000.md), 2025-07-16: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [23V295000](/recalls/nhtsa/23V295000.md), 2023-04-26: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [B630526](/bulletins/11037532.md), 2026-09-28, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B611626](/bulletins/11036456.md), 2026-08-28, Service campaign: ELECTRICAL SYSTEM. In vehicles equipped with the Roof Function Center “FZD‑21” variant, a quiescent‑current violation mayoccur if the system fails to enter sleep mode. When this sleep error is present, a remote software upgrade\(RSU\) may be aborted and the FZD can become degraded. The following Check Control Messages \(CCMs\) may be displayed: “Energy Management — Increased Energy Consumption While Parked.” “Software Upgrade Failed — Workshop Visit Required.”
- [B640825](/bulletins/11036382.md), 2026-08-27, Service campaign: ELECTRICAL SYSTEM. A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utlized for the vehicle interior.
- [B652026](/bulletins/11035404.md), 2026-07-31, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B610626](/bulletins/11031568.md), 2026-04-27, Service bulletin: ELECTRICAL SYSTEM. Charging sessions cannot be started or they are interrupted while using a Level 2 AC high\-power charging station, or with a Level 3 DC charging station. Charging may start normally but can interrupt after some time. Level 2 \(240 V\) Flex Charger and Wall box may also be affected. The red or white LED is displayed on the high\-voltage charging socket; however, no associated fault codes are stored.
- [B061526](/bulletins/11029015.md), 2026-02-25, Other: ELECTRICAL SYSTEM. High Voltage Connection Return
- [B840625](/bulletins/11024211.md), 2025-10-09, Service bulletin: ELECTRICAL SYSTEM. In some situations, an emergency call may be triggered in the vehicle without either the customer pressing the SOS Call button, or an airbag deployment event. In some cases, the customer may not even be inside the vehicle.
- [B640825](/bulletins/11022361.md), 2025-09-03, Service campaign: ELECTRICAL SYSTEM. A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in the failure of the electric auxiliary heater, utilized for the vehicle interior.
- [B840525](/bulletins/11022119.md), 2025-08-24, Service bulletin: ELECTRICAL SYSTEM. SITUATION After the telematics module \(TCB4\) has been replaced, the replacement part control unit is not accepted byISTA.
- [B660325](/bulletins/11020916.md), 2025-07-28, Service bulletin: ELECTRICAL SYSTEM. Check control message is displayed indicating the parking assistance systems have limited functionality dueto errors detected within PDC sensors. The warning indicates parking assistance features have limitedfunctionality while the errors continue to be detected. Following faults may be stored 8031BA Ultrasonic Sensor Rear Side Left Software Error 8031CO Ultrasonic Sensor Rear outer left Software error 8031AE Ultrasonic Sensor Rear Outer Right Software Error 8031A8 Ultrasonic Sensor Rear Side Right Software Error 8031B4 Ultrasonic Sensor Rear Middle Right Software Error 8031C6 Ultrasonic Sensor Rear Middle Left Software Error

JSON: [/v1/bulletins/11006743](/v1/bulletins/11006743)

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