BMW fault code 001B
Multiple Restraint System
In the multiple restraint system, code 001B 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.
MRS: Crash telegram memory
Module version: Multiple Restraint System (MRS3)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, 7 Series (E38) 1998–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
Digital KSE
Module version: Airbag (ZAE2)
In: 3 Series (E36) 1990–2000, 5 Series (E39) 1995–1998, 7 Series (E38) 1994–1998
Reading and clearing it
Fault code 001B is a BMW code, stored in the car's multiple restraint 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 multiple restraint system is on: 3 Series (E30), Z1 (E30/Z1), 8 Series (E31), 7 Series (E32), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83)
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