Problem

• Bluetooth phone does not work.
• The customer phone cannot be connected via Bluetooth.
• Message "phone not available" on the MMI screen.
• MMI hesitation.
• Poor sound (hesitation, cracking noises) in different audio sources.

Note:

Only vehicles with Bluetooth phone (9ZW) up to and including software version SW960 in the phone control unit (diagnosis address 77) are affected. This TPI does not apply to control units with higher software versions.

See also TPI 2015417.

Resolution

Repair control unit

The phone preparation control unit can be repaired with the software on the Clean-up CD, which is included in the CD package, see Parts information.

The instructions for the Clean-up CD are now part of the MMI2G updating instructions. See MMI2G software update with CD package.

If the phone control unit cannot be repaired any more, replace the control unit as follows:

Replace the phone control unit.

Update the MMI2G software with the CD package. In this case, the repair with the Clean-up CD is not necessary.

MMI2G software update with CD package:

MMI software update:

Observe the updating instructions in TPI 2017455 ((MMI2G High) or TPI 2017456 (MMI2G Basic).

Adjustment values and settings and further information on the MMI software update:

See TPI 2017041.

Software version management (SVM):

Feedback as described in TPI 2017455 (MMI2G High) or TPI 2017456 (MMI2G Basic).

 

Parts information

CD package for MMI2G software updates

MMI2G High (A6, Q7, A8): 4L0 998 961 with SVM code: MMIEUK1006

MMI2G Basic (A6): 4F0 998 961 A with SVM code: MMIEUK328

MMI2G Basic (Q7): 4L0 998 961 A with SVM code: MMIEUK328