goni
New Member
Posts: 45
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Post by goni on Apr 22, 2021 23:43:36 GMT
I have a GTD 2013 showing error in exhaust sound systrm " actuator 1 for engine sound generation" "open circuit" and I have no exhaust sound anymore . Can you please advice where should I start , I dont know wich fuse is for this system in GTD or control module. New part is 700$ and just hopefully there is smthg else wrong in the way and not the speaker itself. Thank you and Regards
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Post by dv52 (Australia) on Apr 23, 2021 2:40:17 GMT
The actuator (i.e. the speaker) is called "R257" and it is integrated into the exhaust system- see below. Electrically, it is connected directly to the engine sound generator control unit "J943".
R257 doesn't have a fuse, but J943 is fused. So, unless you have an error message from the CAN bus complaining that it can't communicate with J943, it's unlikely to be a fuse problem
My suggestion is to start by checking the speaker itself (test the coil resistance). If R257 is OK, test and trace the 2 x wires back to the connector on J943
Don
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goni
New Member
Posts: 45
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Post by goni on Apr 23, 2021 9:40:53 GMT
Do you know wich fuse is related to J943 module and where is the module itself located ?
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Post by dv52 (Australia) on Apr 23, 2021 10:29:18 GMT
hmmm........
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goni
New Member
Posts: 45
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Post by goni on Apr 23, 2021 18:39:21 GMT
I saw somewhere that its located in left side behind rear seats, but I cant find wich fuse is it
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Post by Carmaffia on Apr 23, 2021 19:45:32 GMT
Speaker is gone/defect. It's a known problem.
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Post by dv52 (Australia) on Apr 23, 2021 22:07:36 GMT
I agree with @carmaffia- as I said in my first response, it's unlikely to be either J943, or its fuse because your error report says that the fault is in the speaker The fuse for J943 is #48 on the C fuse holder if your car was built before November 2013, and it is fuse #52 if built after this date/
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goni
New Member
Posts: 45
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Post by goni on Apr 23, 2021 23:09:16 GMT
Thank you for your helpful answers . Regards
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