A situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt”...
BMW technical service bulletin B720125 for 2017-2018 BMW 530I, 2017-2018 BMW 540I and 2016-2019 BMW 740I and others.
- Bulletin number
- B720125 (6577900600)
- Component
- Electrical system
- Summary
- 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)
Owners of these vehicles have filed 30 complaints in the electrical category.
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