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March 5, 2026 Service bulletin

Several complaints are possible: Vehicle does not start Gear cannot be engaged Various Check Control...

BMW technical service bulletin B610326 for 2026 BMW M5, 2025 BMW XM and 2025 BMW 550e Xdrive and others.

Bulletin number
B610326
Component
Electrical system
Summary
Several complaints are possible: Vehicle does not start Gear cannot be engaged Various Check Control Messages Malfunction indicator lamp (MIL) on Several Check Control messages are possible: “It is possible to continue driving. High-voltage system.” “You can continue driving. Drivetrain.” “Restart not possible. Drivetrain fault.” “Call Roadside Assistance. Drivetrain failure.” “Information: Total error of vehicle.” The following fault memory entries are stored in the CCU: D796D9 - Message (- 0x91) not up-to-date, receiver CCU, transmitter EME D796DC - No message (- 0x91), receiver CCU, transmitter EME D796D8 - No message (- 0x91), receiver CCU, transmitter EME Other fault codes below may be stored in the EGS BA09B8 – Inverter, Voltage Sensor, 5V HV AUX: Out of range or open connection detected BA0A45 – ECU internal: Internal error of the synchronous serial data bus. Additional fault memory entries are possible. Similar fault memory entries indicating a missing EMEmessage (Traction E-Machine Electronic) can also be stored in other control units.

Owners of these vehicles have filed 1 complaints in the electrical category.

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