BMW fault code 000A
Convertible-top module
In the convertible-top module, code 000A 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.
CVM: K bus faulty
Module version: Convertible-top module (CVM_II)
In: 3 Series (E46) 1998–2006
Communication error K-Bus interface
Module version: Convertible-top module (CVM_III)
In: Z8 (E52) 2000–2003
Error in program flow
Module version: Convertible-top module (CVM_IV)
In: Z4 (E85) 2002–2008
Reading and clearing it
Fault code 000A is a BMW code, stored in the car's convertible-top 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 convertible-top module is on: 3 Series (E46), Z8 (E52), Z4 (E85), Z4 (E86)
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