BMW fault code 007D
Lights Module
In the lights module, code 007D 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.
Turn signal front right defective
Module version: Light/Check Module III (LCM_III)
In: 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1995–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
LCM: Turn indicator, front right, faulty
Module version: Light/Check Module IV (LCM_IV)
In: 3 Series (E46) 1998–2006, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
Reading and clearing it
Fault code 007D is a BMW code, stored in the car's lights module, 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 lights module 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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