BMW fault code 58AF
Transmission control
QMVH: Servomotor, torque adjusting unit, right, phase U, V, W, short circuit to positive
Module version: Transmission control (QSG_71)
In: X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011
Reading and clearing it
Fault code 58AF is a BMW code, stored in the car's transmission control, 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 transmission control is on: X5 (E70), X6 (E71), X6 (E72)
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