BMW fault code 0003
Radio/IR locking system
Signal ZS22
Module versions: Radio/IR locking system (FUNKKOMP), Infrared compact locking system (IRS_KOMP)
In: 3 Series (E36) 1990–2000, 7 Series (E38) 1994–1998
Reading and clearing it
Fault code 0003 is a BMW code, stored in the car's radio/ir locking system, 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 radio/ir locking system is on: 8 Series (E31), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38)
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