BMW fault code 002B

Convertible-top module

In the convertible-top module, code 002B 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: Switch, conv. top locked, short to ground or open circuit

Module version: Convertible-top module (CVM_II)

In: 3 Series (E46) 1998–2006

CVM: Switch, convertible top locked, input to ground

Module version: Convertible-top module (CVM_III)

In: Z8 (E52) 2000–2003

Reading and clearing it

Fault code 002B 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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