BMW fault code 6791

Hybrid brake-actuation changeover

Shutoff valve, pressure sensor: Initialization faulty (OBDII C1050)

Module version: Hybrid brake-actuation changeover (SBA_72)

In: X6 (E72) 2009–2011

Reading and clearing it

Fault code 6791 is a BMW code, stored in the car's hybrid brake-actuation changeover, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.

The hybrid brake-actuation changeover is on: X6 (E72)

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