Vehicle: All Technical Service Bulletins
Audio/Battery - Failures Caused By Aftermarket USB Cable
SI B65 06 12
Audio, Navigation, Monitors, Alarms, SRS
May 2012
Technical Service
SUBJECT
Audio and Battery Failures Caused by Aftermarket USB Adapter Cable
MODEL
All vehicles with USB port
SITUATION
Connecting an external device (e.g., MP3/MP4 player, Cell Phone) to the USB port in the vehicle (center console) with an aftermarket USB adapter
cable (supplied with the device or bought as accessory for the device) can cause the following issues:
1. MOST-bus is inoperative.
^ No audio sound at all, including Radio, CD/DVD, Phone, PDC, Warning Gong
^ The telephone/BMW Assist is inoperative.
2. The vehicle battery is discharged.
^ High current draw caused by the non-approved aftermarket USB cable
In addition, the following messages can be displayed in the Check Control system:
^ Vehicle battery. Increased battery discharge at standstill
^ PDC failed! No acoustic warning available for Park Distance Control PDC
Note:
Apple devices are not affected when using the correct and approved USB adapter cable (either the original white Apple USB adapter cable or the Y-cable available through BMW centers), depending on the model and production period of the BMW vehicle.
CAUSE
The Aftermarket USB adapter cable does not conform to the requirements of BMW specifications.
INFORMATION
Do not replace parts and do not perform a repair attempt.
Verify the complaint with the customer-owned USB device and the USB adapter cable.
Explain to the customer that the Aftermarket USB adapter cable is causing this behavior.
Note:
USB hard disc drives, USB hubs and/or card readers with several inputs cannot be connected to the USB port in the vehicle.
For more information on the USB audio interface and BMW approved USB devices, please refer to Service Information B65 08 07.
WARRANTY INFORMATION
Not applicable
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