BMW fault code 0013
Entrance aid, passenger
Control unit error, motor bridge defective
Module versions: Entrance aid, passenger (BSM46C_4), Entrance aid, passenger (BSM46C_5)
In: 3 Series (E46) 1998–2006
Reading and clearing it
Fault code 0013 is a BMW code, stored in the car's entrance aid, passenger, 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 entrance aid, passenger is on: 3 Series (E46)
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