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+--- Thread: Solved ✔ Audi 4f mmi problem (/showthread.php?tid=62689)
Audi 4f mmi problem - exnip - 31-03-2022
Hello friends, I have problem with audi 4f 2006y mmi 2 g... I dont have idea what to check next I need wiring diagram/pinout for control head 4e0035729. Mmi "restarting" on radio every second cut sound and play 2 secs. On cd cannot load nothing but if I change from 1. To 5. It goes back to 1. Track.
Tryed with optic bypass every module same thing always.
In gateway with vcds no dtcs but when i try to connect to 07 control head I sometimes can connect to module but cannot read faults, sometimes cannot connect to module. Tryed another control head module same thing... +12 v on two red wires and gnd power is ok I think its CAN fault...
Please if somene can give me wiring diagram to check can bus where is comming to 07 module i have 4 green wires on connector and where can goes from control head which pins on gateway. Thanks
RE: Audi 4f mmi problem - LarsLM - 31-03-2022
I think is Bluetooth software damage issue
RE: Audi 4f mmi problem - exnip - 31-03-2022
(31-03-2022, 19:13 PM)LarsLM Wrote: I think is Bluetooth software damage issue
Why then with another HU same issue.
RE: Audi 4f mmi problem - tomekpppp - 01-04-2022
Bluetooth is a separate unit located under the driver's seat. disconnect it use optic bypass.
RE: Audi 4f mmi problem - loki954 - 01-04-2022
bypass the tuner module(optic) left in the trunk
RE: Audi 4f mmi problem - exnip - 01-04-2022
It was problem with second HU today I changed again HU and removed CP now everything is ok. Thanks friends