BMW fault code 0002

Electronic battery isolator switch

External error: Terminal 15 short circuit

Module version: Electronic battery isolator switch (ETS)

In: 7 Series (E38) 1998–2001

Reading and clearing it

Fault code 0002 is a BMW code, stored in the car's electronic battery isolator switch, 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 electronic battery isolator switch is on: 8 Series (E31), 7 Series (E38)

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