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08-01-2023, 12:59 PM | #1 |
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Turning signals, Ac and sound not working
I have had my 2004 z4 3.0i for about half year already and just got my first issues.
My turning signal on the outside work but dash doesn't show it. AC is working periodically. Sound does not work and so does the rest of the radio. I have looked at some forms they say it is the Airbag control module. Not sure if it is the same issue please give some help. |
08-02-2023, 06:27 PM | #2 |
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You need to download ISTAD and purchase a switchable cable to connect laptop Tovar… lots of posts on this. Just Google for it.
ISTAD has a built in TIS that will allow you to do diagnostics as well as read fault codes. You can go down the rabbit hole on a fault code or input/search for repair/diagnostic methods. Again… lots of guidance avail by googling the internet.. ie… Google ISTAD diagnostic procedure …. Or “how to use ISTAD”.. etc ISTAD is BMW technician software and beats hands down any scanner that claims to becc CD able to read BMW proprietary codes.
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