BMW fault code 003D
Tire pressure control
In the tire pressure control, code 003D 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.
RDC: Wheel electronics: no reception
Module versions: Tire pressure control (RDC_53), Tire pressure control (RDC_KBUS)
In: X3 (E83) 2003–2010, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008
Transmission channel defective, position unknown
Module version: Tire pressure control (RDC)
In: 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, 7 Series (E38) 1998–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
Reading and clearing it
Fault code 003D is a BMW code, stored in the car's tire pressure 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 tire pressure control is on: 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)
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