BMW fault code 0028
Stability control
In the stability control, code 0028 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.
Throttle valve potentiometer (ADS part)
Module versions: Stability control ASC5 (ASC5), Stability control ASC5D (ASC5D)
In: 3 Series (E36) 1990–2000, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001
Throttle valve potentiometer ADS part
Module version: Stability control DSC3 (DSC3)
In: 7 Series (E38) 1994–1998
Reading and clearing it
Fault code 0028 is a BMW code, stored in the car's stability 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 stability 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)
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