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  #21  
Old 03-30-2020, 12:23 AM
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I found this while going through the airbag equipment part of BMW Scanner. Why is it red?
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  #22  
Old 03-30-2020, 02:26 PM
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Quote:
Originally Posted by chasers36 View Post
I found this while going through the airbag equipment part of BMW Scanner. Why is it red?
To warn you to not screw with it.

It looks to be a setting that controls the data bus type for the communications. Set it wrong and you may not be able to communicate with the module again....
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  #23  
Old 03-30-2020, 03:20 PM
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Originally Posted by wpoll View Post
To warn you to not screw with it.

It looks to be a setting that controls the data bus type for the communications. Set it wrong and you may not be able to communicate with the module again....
Ok, won't touch it then. Thanks!
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  #24  
Old 04-04-2020, 02:50 PM
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Almost.... after unplugging and then hooking everything up scan and clear each code individually and then see if it comes back and if it does then.... We'll go from there

This is why on the airbag the whole battery deal is in there... (at least for me)


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So, i ended up purchasing an SRS reset tool, AC808, and it will not reset the codes either. Sounds like I need to disassemble the door and take a look. Again, all codes are showing up yellow, and not red.
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Old 04-04-2020, 03:22 PM
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In that case, it's likely that the airbag is either still unplugged or they broke the connector to the airbag when they changed door handle. So yeah, you're opening up the door again...
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Old 04-04-2020, 03:52 PM
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Originally Posted by chasers36 View Post
So, i ended up purchasing an SRS reset tool, AC808, and it will not reset the codes either. Sounds like I need to disassemble the door and take a look. Again, all codes are showing up yellow, and not red.
Although that's a different number than the one I used to have, and mentioned in an earlier post, it looks to be the same thing. In case it affects you too, here's a tip on what I had to do to get mine to work:

Had to follow instructions exactly. Not too difficult since there are not many buttons, but still...

And then, I had to do it all again. Yes, I always had to do it twice. Every single time the same way. Do it once and it would think it worked, but it did not. Do it the second time and it worked.

And yes, also as I mentioned earlier, if that does not fix it, there is a good chance they made a careless mistake like not plugging it in. Too bad you had a bad mechanic on such a simple job.
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Old 04-04-2020, 04:32 PM
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Originally Posted by oldskewel View Post
Although that's a different number than the one I used to have, and mentioned in an earlier post, it looks to be the same thing. In case it affects you too, here's a tip on what I had to do to get mine to work:

Had to follow instructions exactly. Not too difficult since there are not many buttons, but still...

And then, I had to do it all again. Yes, I always had to do it twice. Every single time the same way. Do it once and it would think it worked, but it did not. Do it the second time and it worked.

And yes, also as I mentioned earlier, if that does not fix it, there is a good chance they made a careless mistake like not plugging it in. Too bad you had a bad mechanic on such a simple job.
I followed the instructions exactly, several times now, with no success. Doesn't even blink the SRS light on the dash like its trying to reset it at all. The lights on the handheld just spin for a sec then it flatlines...and the light on the dash stays solid. If i hit enter again, it just takes me back to FA. Definitely thinking somethings of with the connection, and I'll be tackling taking the door panel off tomorrow. Little colder up here in Montana, and its about 35 degrees in my unheated garage lol hoping to see some warmer weather tomorrow
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  #28  
Old 04-04-2020, 05:24 PM
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Originally Posted by wpoll View Post
In that case, it's likely that the airbag is either still unplugged or they broke the connector to the airbag when they changed door handle. So yeah, you're opening up the door again...
Before I get to taking the door panel off, assume all my connections are good, and everything is connected. Would the next likely culprit be the airbag module itself, since its throwing the F0 internal error as well?
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  #29  
Old 04-04-2020, 07:12 PM
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I ended up taking the door panel off today, and didn't find any issues with the connection to the airbag. Everything was plugged in, and the connector snaps right into place. Followed the wires, and made sure there were no issues with that, and everything checks out.

Still getting the fault codes:

11/A0 - Power supply
F0/80 - Internal control unit fault
12/88 - Fault lamp (AWL)
05/40 - Side airbag, front left

My next bet is that its the airbag control module itself, since its throwing the F0 error, it refuses to clear the errors and operate. I've read up on a couple services that claim they can wipe hard coded errors and send it back to you, plug and play installation. Specifically looking at https://www.myairbags.com/ Is this my next viable option for fixing my problem?
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Last edited by chasers36; 04-04-2020 at 07:47 PM.
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  #30  
Old 04-04-2020, 07:55 PM
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My guess is the squib connector for the airbag is damaged on the door from someone not disconnecting it properly. You say it snaps right in place? There is a certain procedure for disconnecting that airbag connector and should not simply plug in. Check the video link below and pay attention to 8:55 into the video for the correct way to disconnect the connector.

https://youtu.be/P93ucj8mMyM

Also her is another link to the squib connector and how it works. You're codes lead me to believe this is what you have going on.

https://forum.e46fanatics.com/showthread.php?t=680542
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