The customer sees various check control warnings of 'Drive Fault', along with windows, doors, and...
BMW technical service bulletin B520125 for 2023 BMW 740I.
- Bulletin number
- B520125
- Component
- Electrical system
- Summary
- The customer sees various check control warnings of 'Drive Fault', along with windows, doors, and seatsthat do not function. There may be restraint system check control warnings. The entire K-CAN9 / Body3 CAN bus may not communicate. Various fault memory entries for the above-mentioned components may be stored: 930D86 - Function restraint system driver restricted. 930D87 - Function front passenger restraint system restricted. C9544D, C9544F - Message Missing C95452, C95454 - Signal invalid 035BF4, 035BFB, 035BFC, 035BFD - Communication via Body3_CAN corrupt. CD052C, E3852C, E4852C, E3452C, E4452C, DF852C, DFC52C, DDC52C, DF452C, E6052C, E5852C- BODY3-CAN Control Module Bus OFF 802A00, 802E00, 802C00, 803000 - Functions seat heating not available 803003, 802C03, 802E03, 802A03 - Functions seat adjustment limited
Owners of these vehicles have filed 2 complaints in the electrical category.
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