BMW fault code 0068
Transmission control
In the transmission control, code 0068 means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.
Transmission relay (time monitoring)
Module versions: Transmission control (AGS732), Transmission control (AGS922), Transmission control (GS832), Transmission control (GS832_M), Transmission control (GS836)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
EGS: Control unit, internal fault 4 (FET) (OBDII: P1746; EUIII: P0700)
Module version: Transmission management (GS834)
In: 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003
Internal error 4 (FET)
Module version: Transmission management (GS870)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
Reading and clearing it
Fault code 0068 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: 8 Series (E31), 7 Series (E32), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)
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