# Service bulletin B340918

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: 10153698
- Published by NHTSA: 2019\-02\-25
- Manufacturer's number: B340918
- Manufacturer's date: 2018\-12\-01
- NHTSA component: ELECTRONIC STABILITY CONTROL \(ESC\)

## NHTSA's summary

SERVICE ACTION: PROGRAMMING OF THE DYNAMIC STABILITY CONTROL UNIT \(DSC\). The malfunction indicator light \(MIL\) in the instrument cluster

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153698-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153698-9999.pdf)

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

## Components

Driver assistance

## Vehicles listed

- 2019 BMW 330I
- 2019 BMW M850I
- 2019 BMW X5
- 2019 BMW Z4

## Recalls for the same vehicles and component

- [21V096000](/recalls/nhtsa/21V096000.md), 2021-02-19: BACK OVER PREVENTION:SOFTWARE; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [19V684000](/recalls/nhtsa/19V684000.md), 2019-09-27: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [B660523](/bulletins/10244242.md), 2023-11-01, Service bulletin: VEHICLE SPEED CONTROL; LANE DEPARTURE; FORWARD COLLISION AVOIDANCE. Various functions of the camera\-based driver assistance systems \(ADCAM system\) can lead to customer complaints.
- [B652023](/bulletins/10242531.md), 2023-09-18, Service bulletin: BACK OVER PREVENTION:SOFTWARE. ?During workshop repairs with software updates, certain customer vehicles may be changed to BMW Operating System 8.5 and returned to customers without making them aware of the change.
- [SIB660823](/bulletins/10236236.md), 2023-05-15, Service bulletin: ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. 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.
- [B841422](/bulletins/10235206.md), 2023-05-01, Service bulletin: LANE DEPARTURE:LANE KEEP:NAVIGATION SYSTEM/SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Customer is shown an incorrect GPS location in the vehicle \(i.e., Nav Map, coordinates\).
- [B652022](/bulletins/10227929.md), 2022-12-19, Service bulletin: LANE DEPARTURE; AIR BAGS; ELECTRICAL SYSTEM. A check control message for the restraint system appears. In the instrument cluster, the red air bag warning light lights up permanently. One of the following fault codes is stored in the ACSM \(air bag control unit\): 930949 \- Knee airbag, driver: short circuit to negative terminal 93094F \- Knee airbag, front passenger: short circuit to negative terminal 93094C \- Knee airbag driver's side: Resistance too great 930952 \- Knee airbag, front passenger: Resistance too great.
- [B650222](/bulletins/10227927.md), 2022-12-19, Service bulletin: ELECTRICAL SYSTEM; LANE DEPARTURE; AIR BAGS. A check control message for the restraint system appears. In the instrument cluster, the red air bag warning light lights up permanently. One of the following fault codes is stored in the ACSM \(air bag control unit\): 930949 \- Knee airbag, driver: short circuit to negative terminal 93094F \- Knee airbag, front passenger: short circuit to negative terminal 93094C \- Knee airbag driver's side: Resistance too great 930952 \- Knee airbag, front passenger: Resistance too great.
- [B650414](/bulletins/10227568.md), 2022-12-12, Service bulletin: LANE DEPARTURE; UNKNOWN OR OTHER; AIR BAGS; SEATS:BARRIERS; BACK OVER PREVENTION. According to the customer, the airbag warning light was on, but it may not be illuminated when the vehicle arrives in the workshop. 1. ACSM fault code "930A60 \- Seat occupancy detection, front passenger; malfunction" is stored. The fault may or may not currently be present. Or 2. ACSM fault code "930A1C \- Front passenger seat occupancy detection transmitting fault\(moisture\)" is stored. The fault may or may not currently be present.
- [B511722](/bulletins/10227551.md), 2022-12-12, Service bulletin: FORWARD COLLISION AVOIDANCE; VISIBILITY; LANE DEPARTURE; STEERING; ELECTRICAL SYSTEM. Due to the semiconductor supply, the Local Interconnect Network module in either of the exterior mirrors was switched to another controller. That one provides an imprecise voltage measurement, which the main controller interprets as a fault. For the driving cycle, the customer may lose the display in either mirror and the Lane Change Warning function and, if installed, other functions such as\- Side collision warning; Lane Change Assistant; Steering and Lane Control Assistant; Emergency Lane Assistant Hands Off 60 Assistant.
- [B662719](/bulletins/10225127.md), 2022-10-31, Service bulletin: LANE DEPARTURE. The Lane Change Warning \(LCW\) yellow triangle symbol on either one, or both the exterior side view mirrors does not illuminate to alert the driver when it should.
- [SIB660820](/bulletins/10214992.md), 2022-07-05, Service bulletin: ELECTRICAL SYSTEM:ADAS. The functionality of the right rear SRR sensor could be reduced which would display the "Driving Assistance" Check Control Message.

JSON: [/v1/bulletins/10153698](/v1/bulletins/10153698)

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