MMI starts and then turns off

[Gunnark100]

reading around someone mentioned under carpet

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Updated my previous post. How you tested bt,radio,amp,cd with loop?

[john81]

I removed the fiber connector from each unit one at a time and plugged the loop connector to the car loom

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[Gunnark100]

I removed the fiber connector from each unit one at a time and plugged the loop connector to the car loom

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did you restarted car also after each isolation? Headunit link i sent to your pm box!

[john81]

did you restarted car also after each isolation? Headunit link i sent to your pm box!

no

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[Gunnark100]

no

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Ok, busy evening for you. Keep us posted, test all modules again(bt,nav,radio,amp,cd) and after each isolation ignition off on, or so to say ignition "on" at least ones!

[Gunnark100]

Probled solved or....?

[john81]

Probled solved or....?

would like to thank you Gunnar for all the help in fixing this issue, it was the bt module fault as you suggested in your exhaustive diagnosis . thank you so much. i will get another module and replace. regards. john


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