Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Audio System - Noise Heard When Using Bluetooth(R)

Bulletin No:
09-013/12

Last Issued:
11/30/2012

Subject:
AUDIO NOISE WHEN USING BLUETOOTH SYSTEM

BULLETIN NOTE

*^ This bulletin supercedes the previous bulletin 09-013/12 issued on 03/16/12. The APPLICABLE MODEL(S)/VINS, and PART(S) INFORMATION has been revised.*

*^ Changes are noted by a black bar in the margin, or asterisks.*





APPLICABLE MODEL(S)/VINS

DESCRIPTION

Some Bose audio equipped vehicles may exhibit noise from the speakers when using a Bluetooth enabled device, regardless of sound level. However, the noise does not occur when using a portable audio device that is connected to the vehicle's audio system via the auxiliary (AUX) jack.

This concern may be caused by an incorrect Bluetooth unit music output level.

Customers having this concern should have their vehicle repaired using the following repair procedure.

REPAIR PROCEDURE

1. Verify customer concern.

2. If the customer has not already done so, contact the Bluetooth Hotline (refer to TSB 09-014/12 "HANDS-FREE BLUETOOTH MODULE TROUBLESHOOTING PROCEDURE")

3. Replace the Bluetooth unit (with an exchange unit available through Exchange Central on the MX Connect website) according to the M53 online instructions or the Workshop Manual.

^ CX-7: (section 09-20 Bluetooth UNIT REMOVAL/INSTALLATION).

^ CX-9: (section 09-20 Bluetooth UNIT REMOVAL/INSTALLATION).

4. Verify repair.





PART(S) INFORMATION





WARRANTY INFORMATION





Disclaimer