BMW fault code 0015

Lights Module

In the lights module, code 0015 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.

Brake light switch, short circuit to ground

Module versions: Light/Check Module (LCM), Light/Check Module A (LCM_A), Light/Check Module II (LCM_II), Light/Check Module III (LCM_III)

In: 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

LCM: Brake-light switch, short circ. to negative

Module version: Light/Check Module IV (LCM_IV)

In: 3 Series (E46) 1998–2006, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

LM: Wire, brake light switch, short circ. to ground

Module version: Lights Module (LM2_83)

In: X3 (E83) 2003–2010, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008

LSZ: Brake-light switch, short circ. to negative

Module version: Lights switching center (LSZ)

In: 3 Series (E46) 1998–2006, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

LSZ2: Wire, brake light switch, short circ. to ground

Module version: Light switching center 2 (LSZ_2)

In: 3 Series (E46) 1998–2006, X3 (E83) 2003–2010, X5 (E53) 1999–2006, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008, Z8 (E52) 2000–2003

Reading and clearing it

Fault code 0015 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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