BMW fault code CAA9
Allround-view camera
Message faulty (vehicle electrical system voltage value, 0x3B4), surround view camera receiver, DME DDE transmitter
Module version: Allround-view camera (TRSVC70)
In: X1 (E84) 2009–2015, X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011
Reading and clearing it
Fault code CAA9 is a BMW code, stored in the car's allround-view camera, 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 allround-view camera is on: X5 (E70), X6 (E71), X6 (E72), X1 (E84)
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