# Service bulletin SIB660823

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: 10236236
- Published by NHTSA: 2023\-05\-15
- Manufacturer's number: SIB660823
- Manufacturer's date: 2023\-04\-01
- NHTSA component: ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR

## NHTSA's summary

Issues with the various functions of the camera\-based driver assistance systems \(KAFAS system\) can possibly lead to following customer complaints: KAFAS camera system deactivates itself, due to system restrictions that are not clear to the customer KAFAS camera system cannot be activated due to system restrictions that are not clear to the customer Road signs are sporadically not detected.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236236-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236236-9999.pdf)

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

## Components

Driver assistance, Electrical system

## Vehicles listed

- 2020 to 2022 BMW 228I
- 2023 BMW 230I
- 2021 to 2023 BMW 330E
- 2019 to 2023 BMW 330I
- 2021 to 2023 BMW 430I
- 2018 to 2023 BMW 530E
- 2017 to 2023 BMW 530I
- 2018 to 2019 BMW 540D
- 2020 BMW 540D
- 2017 to 2023 BMW 540I
- 2018 to 2019 BMW 640I
- 2020 BMW 640I
- 2017 to 2019 BMW 740E
- 2017 to 2021 BMW 740I
- 2022 BMW 740I
- 2016 to 2017 BMW 740LI
- 2020 to 2021 BMW 745E
- 2022 BMW 745E
- 2018 to 2019 BMW 750I
- 2016 to 2021 BMW 750LI
- 2022 BMW 750LI
- 2020 to 2022 BMW 840I
- 2021 to 2023 BMW ALPINA XB7
- 2018 to 2021 BMW B7 ALPINA
- 2022 to 2023 BMW I4
- 2020 to 2022 BMW M235I
- 2020 to 2023 BMW M340I
- 2021 to 2022 BMW M440I
- 2017 BMW M550I
- 2018 to 2023 BMW M550I
- 2017 to 2021 BMW M760I
- 2022 BMW M760I
- 2021 BMW M760LI
- 2022 BMW M760LI
- 2020 to 2022 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2019 BMW M850I
- 2020 to 2022 BMW M850I
- 2019 BMW M850XI
- 2018 to 2023 BMW X3
- 2019 to 2022 BMW X4
- 2019 to 2023 BMW X5
- 2020 to 2022 BMW X6
- 2019 to 2023 BMW X7
- 2019 to 2023 BMW Z4

## Recalls for the same vehicles and component

- [26V441000](/recalls/nhtsa/26V441000.md), 2026-07-08: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
- [26V422000](/recalls/nhtsa/26V422000.md), 2026-07-01: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE; ELECTRONIC STABILITY CONTROL \(ESC\)
- [26V056000](/recalls/nhtsa/26V056000.md), 2026-01-30: ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [25V644000](/recalls/nhtsa/25V644000.md), 2025-09-25: ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [2025499](/recalls/tc/2025499.md), 2025-09-23: Electrical
- [25V636000](/recalls/nhtsa/25V636000.md), 2025-09-23: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
- [24V739000](/recalls/nhtsa/24V739000.md), 2024-10-02: ELECTRONIC STABILITY CONTROL \(ESC\); SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE
- [24V697000](/recalls/nhtsa/24V697000.md), 2024-09-18: ELECTRONIC STABILITY CONTROL \(ESC\):CONTROL MODULE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
- [2024444](/recalls/tc/2024444.md), 2024-08-01: Electrical
- [24V576000](/recalls/nhtsa/24V576000.md), 2024-08-01: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY

## Other bulletins for the same vehicles and component

- [B110426](/bulletins/11035500.md), 2026-08-03, Service bulletin: ENGINE; ELECTRICAL SYSTEM. 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](/bulletins/11035408.md), 2026-07-31, Service campaign: ELECTRICAL SYSTEM. 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.
- [B120626](/bulletins/11034450.md), 2026-07-03, Service campaign: ELECTRICAL SYSTEM. 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.
- [B652025](/bulletins/11032744.md), 2026-05-18, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B120326](/bulletins/11030061.md), 2026-03-13, Emissions: ELECTRICAL SYSTEM. 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.
- [B720125](/bulletins/11028928.md), 2026-02-23, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM; SEATS. 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 \(moisture\)
- [B661323](/bulletins/11026969.md), 2026-01-05, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. Various Check Control messages \(CCM\) can be displayed to the customer, which indicate a restrictedfunction or an unavailability of the driver assistance systems or driver assistance functions. During the diagnosis, the following fault memory entries are entered individually or in combination: 800AC4 \- Camera calibration failed 800AC8 \- Permanent calibration error 800A24 \- Temporary software fault 800ABE \- KAFAS camera: Field of view permanently faulty This only affects vehicles with the following optional equipment: 5AU Driving AssistantProfessional.
- [B720125](/bulletins/11024726.md), 2025-11-03, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM. 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 \(moisture\)
- [B661323](/bulletins/11024718.md), 2025-11-03, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS. Various Check Control messages \(CCM\) can be displayed to the customer, which indicate a restricted function or an unavailability of the driver assistance systems or driver assistance functions. During the diagnosis, the following fault memory entries are entered individually or in combination: 800AC4 \- Camera calibration failed 800AC8 \- Permanent calibration error 800A24 \- Temporary software fault 800ABE \- KAFAS camera: Field of view permanently faulty This only affects vehicles with the following optional equipment: 5AU Driving AssistantProfessional.
- [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.

JSON: [/v1/bulletins/10236236](/v1/bulletins/10236236)

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