Loss of sound in COMAND system and/or telephone not functioning - AF82.70-P-1090A

MODEL 163, 203, 208, 209, 210, 215, 220, 230, 463 with CODE (853) MB standard cellular telephone 

Nokia 6091 

Damage code	Cause	Remedy
	Fixed installation telephone control unit.	1 Read out series number.
	Cyclical loss of sound in COMAND system for 2 - 3 seconds (Nokia 6091). Telephone temporarily not functioning.	via the receiver using the key combination: *#06# The series number can also be found on the sticker on the control unit.
	Concerns fixed installation control unit part no. A 203 820 70 26. When reading out with STAR DIAGNOSIS (quick test) part no. 000 000 00 00 appears with these control units.	If the affected series number is installed: ↓
	Affected Nokia series numbers: from 350109/20/038841/6 up to 350109/20/047721/9	2 Remove/install/replace fixed installation telephone control unit.