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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > 930AB3 fault code help
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      07-13-2019, 09:51 PM   #1
H4CK1NT05H
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Hey, I just had this fault code pop up on me and I'm not having any luck finding anything about this online. Anyone can help?
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Last edited by H4CK1NT05H; 07-13-2019 at 10:04 PM..
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      07-14-2019, 12:29 PM   #2
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Update: Light seems to come on after about 10 mins of turning car on and goes away after turning car off and back on. I reset all coding in safety module back to defaults and the light still came back. I just went over all wiring in battery compartment, under passenger seat, and under glove box in passenger footwell to make sure all wiring and connectors were secure. Going for a drive now, will post another update soon.
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      07-14-2019, 01:28 PM   #3
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Update: I drove around for an hour, did about 50 miles. Light has not come back on. I think I'm going to wait a little longer before coding seatbelts again just to make sure the fault is really gone.
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      07-14-2019, 02:40 PM   #4
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The code is for a short to +12V line for your passenger airbag.

There isn't much else you need to google.

The wiring is possibly shorting, or possibly your airbag is faulty.
It really needs investigation instead of waiting for it to show itself again.



Did you do anything before this happened?
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      07-14-2019, 03:55 PM   #5
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In the past few weeks I've replaced the car battery, cabin filter, and did some coding with bimmercode.
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      07-14-2019, 09:06 PM   #6
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Ah ok. If the error was right after a coding job for that module, then maybe it's due to the coding process. But you'd have a lot more codes in that system. Hope it stays off, but short to + codes, those I worry about.
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      10-04-2019, 08:41 AM   #7
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Quote:
Originally Posted by H4CK1NT05H View Post
Update: I drove around for an hour, did about 50 miles. Light has not come back on. I think I'm going to wait a little longer before coding seatbelts again just to make sure the fault is really gone.
H4CK--any resolution on this? I'm having exactly the same issue. Warning light now seems to come on during every trip when the passenger's seat is empty, after 5 minutes or so. When I turn the car off, the light goes away, and when the car is next started the warning is gone (for a short time). The warning has NEVER come on when the seat is occupied.

Thanks for any insight.
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      10-05-2019, 01:56 PM   #8
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Quote:
Originally Posted by MicHern7 View Post
Quote:
Originally Posted by H4CK1NT05H View Post
Update: I drove around for an hour, did about 50 miles. Light has not come back on. I think I'm going to wait a little longer before coding seatbelts again just to make sure the fault is really gone.
H4CK--any resolution on this? I'm having exactly the same issue. Warning light now seems to come on during every trip when the passenger's seat is empty, after 5 minutes or so. When I turn the car off, the light goes away, and when the car is next started the warning is gone (for a short time). The warning has NEVER come on when the seat is occupied.

Thanks for any insight.
Have you done anything to the car prior to this? For me, I touched a decent amount of stuff before this started happening. I don't think it had to do with coding because even after reseting all coding to stock I was still throwing the fault for a day. I then went over all wiring under glove box in passenger footwell, I feel like I might of overtightened the guard the first time, maybe pulled on a wire, but no wires looked damaged when I checked. Then I checked the wiring under the passenger seat, found a water bottle hiding under there that might of been hitting something. And last checked the wiring for battery in the trunk, nothing stood out there. After going over all that and making sure all connections were tight, code hasn't come back. Good luck.

Edit: also have recoded numerous things including seatbelts since then and error still hasn't come back.
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      10-05-2022, 09:32 PM   #9
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Also been having this issue...

There is the TSB B65 17 12 from BMW that stated that a software error for the FZD is the culprit for 930AB3 however I've gone thru the steps of replacing the FZD with a newer revision AND reflashing both the old and new FZD using the latest pzdzdata but still the same issue:/

Were you able to find a permanent solution? Frequency of the error comes and goes.
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