Audio/Cell Phone - Delayed Functions On Start Up

SI M65 09 10
Audio, Navigation, Monitors, Alarms, SRS

October 2010
Technical Service

SUBJECT
Bluetooth, Hands-free and USB Audio Functions Are Delayed After Vehicle Start

MODEL
All models

Produced between 01/17/2010 and 03/14/2010 with either option 6FL (USB/audio interface) or option 6ND (Bluetooth hands-free kit with USB/audio interface) or option 6NE (Bluetooth mobile phone prep. with USB/audio interface)

SITUATION

Intermittently the USB audio (iPod/iPhone, MP3 player), telephone and hands-free functions are inoperative for the first 3 minutes after the vehicle is started. Fault codes DE4E and 9308 are stored in the ULF (hands-free charge module).

This behavior happens more often during higher ambient temperatures.

CAUSE

Hardware failure in the ULF (hands-free charge module)

CORRECTION

Perform diagnostics using the latest ISTA version and work through any related test module(s). Replace the ULF module and program the vehicle.

Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the latest software.

For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales Portal / Service / Workshop Technology / Vehicle Programming.





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