please help can bus disconnect

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Milad Jarjees

Member
Sep 29, 2022
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please help I have problem with my head unit always shows canbus disconnet

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Milad Jarjees

Member
Sep 29, 2022
12
0
Thank you for your reply. so as in the picture can bus disconnet So i can't use car app to know how much diesel my car uses also no warning when door open and other thing.I tried all can bus
Options all for my WV but without successful
 
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rigattoni

Senior Member
Apr 27, 2010
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Thank you for your reply. so as in the picture can bus disconnet So i can't use car app to know how much diesel my car uses also no warning when door open and other thing.I tried all can bus
Options all for my WV but without successful
In this case get in contact with the seller, give him all information about your car, incl. model year and what is needed and ask for the correct Can adapter. Might be the wrong one for your car.
 

Milad Jarjees

Member
Sep 29, 2022
12
0
In this case get in contact with the seller, give him all information about your car, incl. model year and what is needed and ask for the correct Can adapter. Might be the wrong one for your car.
I ordered an extra head unit for Golf sportsvan 2014 he knows exactly my car . without can bus i have black screen i think it is right can bus maybe software problem that because i posted here
 

rigattoni

Senior Member
Apr 27, 2010
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I ordered an extra head unit for Golf sportsvan 2014 he knows exactly my car . without can bus i have black screen i think it is right can bus maybe software problem that because i posted here
You just get information from the CAN if the CANbox could interpret the messages. If not, nothing is shown.
I´m still pretty sure that the CANbox is the wrong one or the settings in the head unit are wrong.
 

rigattoni

Senior Member
Apr 27, 2010
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i mean on the black box steacker
...and I mean to read out any error message stored on the modules.
It always can be possible that any issue on the CAN sets an error code in the BCM (Body Control Modul).
BTW: If you just connect something to the CAN, you need to make sure that the CAN is terminated.
Needs to get read out with an OBD scanner.
 

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