# Service bulletin B630221

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: 10190861
- Published by NHTSA: 2021\-04\-26
- Manufacturer's number: B630221
- Manufacturer's date: 2021\-03\-01
- NHTSA component: EXTERIOR LIGHTING; AIR BAGS

## NHTSA's summary

REAR LIGHT FAULTY CHECK CONTROL MESSAGE: The CID displays "Left brake light faulty.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190861-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190861-9999.pdf)

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

## Components

Air bags, Lighting

## Vehicles listed

- 2018 to 2021 BMW 530E
- 2017 to 2021 BMW 530I
- 2018 to 2019 BMW 540D
- 2020 BMW 540D
- 2017 to 2021 BMW 540I
- 2018 BMW C 400 X
- 2017 BMW F800 R
- 2017 BMW M550I
- 2018 to 2021 BMW M550I

## Recalls for the same vehicles and component

- [20V243000](/recalls/nhtsa/20V243000.md), 2020-04-29: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE; AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE; AIR BAGS:FRONTAL; AIR BAGS
- [2017462](/recalls/tc/2017462.md), 2017-09-25: Lights And Instruments

## Other bulletins for the same vehicles and component

- [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 \(moisture\)
- [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 \(moisture\)
- [B720125](/bulletins/11019575.md), 2025-06-17, Warranty extension: AIR BAGS. The Supplemental Restraint Systems \(SRS\) Front Passenger’s Seat Occupancy Capacitive Interior Sensor \(CIS\) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B720125](/bulletins/11018552.md), 2025-05-26, Warranty extension: AIR BAGS. 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 \(moisture\)
- [B720125](/bulletins/11017101.md), 2025-04-18, Warranty extension: ELECTRICAL SYSTEM; AIR BAGS. The Supplemental Restraint Systems \(SRS\) Front Passenger’s Seat Occupancy Capacitive Interior Sensor \(CIS\) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B630418](/bulletins/10252031.md), 2024-04-01, Service bulletin: EXTERIOR LIGHTING. One or more of the LED daytime running lights are dim or discolored.
- [B630821](/bulletins/10239611.md), 2023-07-24, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlight check control \(CC\) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A \- Left high\-beam headlight: Short circuit and/or 8041A5 \- light outputs: Number of permitted short circuit cycles exceeded
- [B630418](/bulletins/10235200.md), 2023-05-01, Service bulletin: EXTERIOR LIGHTING. One or more of the LED daytime running lights are dim or discolored.
- [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.
- [B121021](/bulletins/10212786.md), 2022-05-31, Service bulletin: EXTERIOR LIGHTING. The customer complains that under moderate throttle application or on deceleration after throttle application, a Malfunction Indicator Lamp \(MIL\) is displayed in the instrument cluster.

JSON: [/v1/bulletins/10190861](/v1/bulletins/10190861)

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