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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Anyone know why my car is throwing "2FA3 - coding missing"?



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      06-08-2016, 01:17 AM   #1
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Anyone know why my car is throwing "2FA3 - coding missing"?

I'm running a custom tune via MHD and occasionally go back to an OTS 91 Stage 2 map. I've interrupted the flash a couple times by accident by opening my door and then re-flashed to complete it.
I can't seem to get rid of this no matter how many times I've cleared DME codes and other module codes. Any idea what this means? I don't *think* it's effecting my car's performance but who knows.

MHD folks, how do I get rid of it?

Thanks
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      06-08-2016, 04:19 AM   #2
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It's nothing to be worried bout. Can be toggled off in tuner pro.
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      06-10-2016, 04:21 PM   #3
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it requires a coding of the dme to factory defaults with inpa, because you are now running a more recent software. That's something I need to add in MHD. Still, 100% benign.
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      06-12-2016, 09:18 PM   #4
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Quote:
Originally Posted by MHD Tuning View Post
it requires a coding of the dme to factory defaults with inpa, because you are now running a more recent software. That's something I need to add in MHD. Still, 100% benign.
Which parameters would need to be reset to default? Any idea when you'll have this feature added?

Thanks
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      06-13-2016, 02:49 AM   #5
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Quote:
Originally Posted by vbp6us View Post
Which parameters would need to be reset to default? Any idea when you'll have this feature added?

Thanks
It's just coding the DME to factory settings (which doesn't nothing, but stil a requirement) with winkfp. Sorry I can't give ETA.
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      06-15-2016, 09:32 PM   #6
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Quote:
Originally Posted by MHD Tuning View Post
It's just coding the DME to factory settings (which doesn't nothing, but stil a requirement) with winkfp. Sorry I can't give ETA.
Thanks for the reply.
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      06-16-2016, 08:20 AM   #7
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Quote:
Originally Posted by vbp6us View Post
I'm running a custom tune via MHD and occasionally go back to an OTS 91 Stage 2 map. I've interrupted the flash a couple times by accident by opening my door and then re-flashed to complete it.
I can't seem to get rid of this no matter how many times I've cleared DME codes and other module codes. Any idea what this means? I don't *think* it's effecting my car's performance but who knows.

MHD folks, how do I get rid of it?

Thanks
Quote:
Originally Posted by MHD Tuning View Post
it requires a coding of the dme to factory defaults with inpa, because you are now running a more recent software. That's something I need to add in MHD. Still, 100% benign.
Quote:
Originally Posted by MHD Tuning View Post
It's just coding the DME to factory settings (which doesn't nothing, but stil a requirement) with winkfp. Sorry I can't give ETA.
INPA is for diagnostics and WinKFP is for flash reprogramming. Neither of those tools will code the DME.

Default code the DME (62BMO) with NCS-Expert using the SG_CODIEREN job. That will clear the 2FA3 code.

Help car won't crank after mhd flash
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      06-18-2016, 08:49 PM   #8
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Quote:
Originally Posted by 808AWD325xi View Post
INPA is for diagnostics and WinKFP is for flash reprogramming. Neither of those tools will code the DME.

Default code the DME (62BMO) with NCS-Expert using the SG_CODIEREN job. That will clear the 2FA3 code.

Help car won't crank after mhd flash
I'll have to try this out. Thank you!
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      06-27-2016, 10:19 AM   #9
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Quote:
Originally Posted by vbp6us View Post
I'll have to try this out. Thank you!
If present, 2FA3 "coding missing" is now coded away on the fly when using MHD Read codes.
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      06-27-2016, 02:14 PM   #10
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Quote:
Originally Posted by MHD Tuning
Quote:
Originally Posted by vbp6us View Post
I'll have to try this out. Thank you!
If present, 2FA3 "coding missing" is now coded away on the fly when using MHD Read codes.
So the MHD automatically codes this now?

I have this and didn't know MHD was recently updated to code it out.

After clear codes it won't be there next time?
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      06-28-2016, 08:53 PM   #11
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Quote:
Originally Posted by MHD Tuning View Post
If present, 2FA3 "coding missing" is now coded away on the fly when using MHD Read codes.
I saw that in the release notes and smiled. Thank you.

Quote:
Originally Posted by deeLow View Post
So the MHD automatically codes this now?

I have this and didn't know MHD was recently updated to code it out.

After clear codes it won't be there next time?
I haven't tried it yet but I think it fixes the issue on after hitting read codes and it shouldn't reappear.
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      06-29-2016, 03:37 AM   #12
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Quote:
Originally Posted by deeLow View Post
So the MHD automatically codes this now?

I have this and didn't know MHD was recently updated to code it out.

After clear codes it won't be there next time?
Not after clear codes, but on the fly while doing read codes (which will be a 5s process to code it out).
In case it's still present, please drop me an email.
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      07-09-2016, 03:10 PM   #13
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I'm getting a dme shadowing missing code, I tried to clear codes and still get this should I do a full write again. I know my battery was getting weak toward the end
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      05-30-2017, 09:37 PM   #14
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Quote:
Originally Posted by MHD Tuning View Post
Not after clear codes, but on the fly while doing read codes (which will be a 5s process to code it out).
In case it's still present, please drop me an email.
Hi,

I'm running V7 Stage2+ and I'm seeing this code 2FA3.

Is this meant to be removed as part of a flash (auto-magically) or does it require further steps?

Cheers
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      05-31-2017, 03:17 AM   #15
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Do MHD > read codes > clear DME codes with ignition on, engine off.
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