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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > SOS Error After Aftermarket Deck Install



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      10-03-2012, 09:09 PM   #1
gunda
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SOS Error After Aftermarket Deck Install

Hey guys, I got a nice kenwood dnx9980 deck installed in place of the stock one and got the sos error. I know that the stock deck is required to be installed in order for the car to have a complete circuit, and also the DIY of installing the stock deck in your trunk in order to get rid of the SOS error. I've been searching around the forums for a possible coding approach that can remove the MOST part of the code I believe or w.e part of the code reads the stock deck as part of the circuit.
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      11-12-2012, 01:34 PM   #2
carlosalbertogui
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any help please
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      11-12-2012, 04:11 PM   #3
brad bedell
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There's an aftermarket module that will help bypass the most.

The Mini Cooper guys found it online. I forget where. Google will likely help. I'll try to look when I'm in front of a computer later.
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      11-12-2012, 11:45 PM   #4
brad bedell
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I couldn't find it. It's on north american motoring. But it's there in the audio section somewhere. I'm certain the guys on here have figured it also. I'm 99% sure crutchfield offers the part.

basically, you have 2 or 4 fiber optic cables in the back of that radio. You need to close that open circuit to complete the MOST ring. It's a token ring of sorts, it HAS to be closed.

You then can code your radio out.
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      11-13-2012, 03:35 AM   #5
carlosalbertogui
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my problems are easier i just want to get rid of SOS call system failure nothing else i didnt change anything in the car
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