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March 1, 2013 Service bulletin

TCB: Emergency Call Is Disabled

BMW technical service bulletin 840413 for 2012-2014 BMW 528I, 2012-2014 BMW 535I and 2012-2014 BMW 750LI and others.

Bulletin number
840413
Component
Equipment: electrical
Summary
"TCB: Emergency Call Is Disabled. A Check Control message shows ""Emergency call failure."" When the SOS button is pressed, the call is not made by the TCB (Telematics Communication Box). Fault code 0XB7F33F is stored in the TCB. CAUSE TCB application error"

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