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Service bulletin B340818

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 id10153697
Published by NHTSA2019-02-25
Manufacturer's numberB340818
Manufacturer's date2018-12-01
NHTSA componentELECTRONIC STABILITY CONTROL (ESC)

NHTSA's summary

SERVICE ACTION: PROGRAM DYNAMIC STABILITY CONTROL SYSTEM (DSC). During certain faults in the Dynamic Stability System (DSC) a yellow warning light could be illuminated instead of a red warning light. Software error in the DSC

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

Driver assistance

Vehicles listed
BMW X52019

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

Recalls for the same vehicles and component
21V0960002021-02-19. BACK OVER PREVENTION:SOFTWARE; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
19V6840002019-09-27. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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
B6605232023-11-01. Service bulletin. Various functions of the camera-based driver assistance systems (ADCAM system) can lead to customer complaints.
B6520232023-09-18. Service bulletin. ?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.
SIB6608232023-05-15. Service bulletin. 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.
B8414222023-05-01. Service bulletin. Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).
B6502222022-12-19. Service bulletin. 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.
B5117222022-12-12. Service bulletin. 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.
B6627192022-10-31. Service bulletin. 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.
SIB6606202022-07-05. Service bulletin. The functionality of the right front SRR sensor could be reduced which would display the "Driving Assistance" Check Control Message.
SIB6501222022-06-21. Service bulletin. A check control message for the restraint system appears. In the instrument cluster, the red air bag warning light lights up permanently.
B0903212022-06-21. Service bulletin. In some rare cases a customer vehicle might be excluded from one or more Remote Software Upgrade(RSU) campaigns. This SIB gives an overview how to identify these vehicles and how to proceed in case of a customer complaint.