BMW TSB #840513
2012 BMW 740
Affected Component: ELECTRICAL SYSTEM
- TSB Document
- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from BMW for this TSB. Call your local BMW dealer's service department & ask for a copy of TSB# 840513.
- TCB: Emergency Call Is Erroneously Triggered. An emergency call is erroneously made with no input from the driver. The following fault codes are stored in the TCB: * 0xB7F325 - Emergency call loud speaker: break in circuit * 0xB7F319 - Emergency call button: short circuit * 0xB7F326 - Emergency call loud speaker: short circuit to earth * 0xB7F33E - Automatic emergency call triggered frequently CAUSE TCB control unit error