# Service bulletin B650520

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: 10171496
- Published by NHTSA: 2020\-02\-18
- Manufacturer's number: B650520
- Manufacturer's date: 2020\-01\-01
- NHTSA component: AIR BAGS; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

FAULT 930C1E IS FOUND IN THE ACSM: Vehicle comes into the workshop with the following illuminated: Check Engine Light DSC warning lamp Air bag warning lamps During diagnosis the following fault code is found stored in the ASCM \(Advanced Crash Safety Module\): 930C1E internal ECU error If the fault is cleared it returns immediately. The root cause is under investigation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171496-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171496-9999.pdf)

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

## Components

Air bags, Electrical system, Software

## Vehicles listed

- 2018 to 2020 BMW 530E
- 2017 to 2020 BMW 530I
- 2018 to 2019 BMW 540D
- 2020 BMW 540D
- 2017 to 2020 BMW 540I
- 2017 to 2019 BMW 740E
- 2017 to 2020 BMW 740I
- 2016 to 2017 BMW 740LI
- 2020 BMW 745E
- 2018 to 2019 BMW 750I
- 2016 to 2019 BMW 750LI
- 2020 BMW 840I
- 2018 to 2020 BMW B7 ALPINA
- 2017 BMW M550I
- 2018 to 2020 BMW M550I
- 2017 to 2020 BMW M760I
- 2020 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2019 BMW M850I
- 2020 BMW M850I
- 2019 BMW M850XI

## Recalls for the same vehicles and component

- [19V589000](/recalls/nhtsa/19V589000.md), 2019-08-12: ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS

## Other bulletins for the same vehicles and component

- [B610321](/bulletins/10250893.md), 2024-03-02, Service bulletin: ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER; ELECTRICAL SYSTEM:SOFTWARE. SITUATION BMW AG is conducting a Voluntary Emissions Recall \(effective April 23, 2021\) on a certain Model Year 2020 \- 2021 BMW vehicles that were produced between August 13, 2019 and December 11, 2020. Do not deliver to a customer, a New, Certified Pre\-Owned or Used vehicle subject to an emissions recall, until the vehicle is repaired. Do not use or sell replacement equipment/parts subject to an emissions recall. The 12 V battery’s dual storage system \(DSS\) may contain a software error which intermittently causes a continuous resetting of the microcontroller and communication failure. The error is displayed by a red Check Control message.
- [B240223](/bulletins/10239603.md), 2023-07-24, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. BMW AG has issued an Emissions Recall \(effective March 17, 2023\) on a certain Model Year 2021 \- 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
- [B090221](/bulletins/10239599.md), 2023-07-24, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. With the introduction of the BMW Remote Software Upgrade, all Service Pack 18 vehicles and partial Service Pack 15 vehicles may receive new functionality or modifications in their features.
- [B620322](/bulletins/10227566.md), 2022-12-12, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE. After programming, the customer may complain that the Sport Mode display is not fully displayed in the instrument cluster. Instead of a red background in sport mode, the background is displayed in blue \(like ECO PRO mode\).
- [SIB090121](/bulletins/10215750.md), 2022-07-18, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians. The new ISTA Version is also able to be used in case of a Remote Software Upgrade \(RSU\) programming failure to get the customer car reprogrammed on site. In case of a Remote Software Upgrade failure, the engine start is prevented for safety reasons until the vehicle is programmed correctly. Most of the errors occur when only one control unit fails to program correctly.
- [B620222](/bulletins/10212797.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Sport mode is not displayed correctly in the instrument cluster. Instead of a red background in sport mode, the background is displayed in blue \(like in Eco Pro mode\). Software in the instrument cluster \(Kombi\).
- [B611621](/bulletins/10205095.md), 2021-12-20, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. The "energy management" Check control message \(ID code 415\) is falsely displayed when entering the vehicle.
- [SIB120421](/bulletins/10204620.md), 2021-12-13, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. A software optimization affecting vehicle performance has been made available.
- [SIB 62 03 21](/bulletins/10202474.md), 2021-10-25, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. When the vehicle is operated in Sport Mode, the engine speed is no longer displayed in the BMW Head\-Up Display \(HUD\).
- [B840221](/bulletins/10200249.md), 2021-08-09, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM:SOFTWARE. The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G \(Telematics ControlModule\) can no longer be supported by the cellular network provider starting February 2022. The decision to phase out 3G network technology was made at the discretion of the respective cellular carriers and lies beyond the control of BMW. Due to the phase\-out, BMW Assist and ConnectedDrive services will no longer be supported after this date.

JSON: [/v1/bulletins/10171496](/v1/bulletins/10171496)

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