BMW fault code 003B
Stability control
In the stability control, code 003B 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.
CAN DMER1 message error
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
DMER1 message error
Module versions: Stability control DSC3 (DSC3), Stability control DSC5 (DSC5)
In: 5 Series (E39) 1995–1998, 7 Series (E38) 1994–1998
CAN message error DMER1
Module version: Stability control ASC57 (ASC57)
In: 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001
DSC: No message (DMER1) from DME/DDE control module
Module version: Stability control DSC57 (DSC57)
In: 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2004, Z8 (E52) 2000–2003
Reading and clearing it
Fault code 003B 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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