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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > Code Out 9cb6 After Halogen to Xenon?



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      03-06-2019, 02:15 PM   #1
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Code Out 9cb6 After Halogen to Xenon?

Anyone come across the line to code out error 9cb6 lwr coil? Also knows as Headlight vertical aim control break.

I swapped out the pre -LCI halogens and put in pre-LCI OEM adaptive Bi-xenons. I don't have or need the adaptive functions but Im getting the error now. Everything else works as it should, I edited the VO with the 522 and default coded the FRM and saved it back to CAS and FRM. All is well except this one error.
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      03-06-2019, 02:23 PM   #2
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I did more research and thought if I deleted $524 from VO- it would take care of it, but 524 has already been deleted. Now Im stumped.

Last edited by FREQUENCY 24.7; 03-07-2019 at 07:56 AM..
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      05-24-2020, 04:38 PM   #3
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Did you ever figure this out? I just swapped to xenons and did the right coding yet this is the only error I have.
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      05-24-2020, 07:28 PM   #4
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Quote:
Originally Posted by lowrydr310 View Post
Did you ever figure this out? I just swapped to xenons and did the right coding yet this is the only error I have.
I used ProTool to solve it, but it was so long ago now, I honestly can't remember what the solution was. If i come across it, Ill post back up.
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      05-24-2020, 09:54 PM   #5
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Quote:
Originally Posted by FREQUENCY 24.7 View Post
I did more research and thought if I deleted $524 from VO- it would take care of it, but 524 has already been deleted. Now Im stumped.
Delete $522 also
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      05-28-2020, 11:42 AM   #6
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Quote:
Originally Posted by Terraphantm View Post
Delete $522 also
That removes the xenon option.

At a minimum $522 disables the cold low beam bulb check, but after adding $522 there are quite a few other changes in my FRM TRC file besides the low beam cold check.

When doing my conversion, I originally added $522 to my VO and reprogrammed CAS and (halogen) FRM modules, disabling the auto leveling via coding, but got this error. I then replaced my FRM with one that actually supports xenons (needed to get the shutter trigger signal - my old halogen FRM didn't support this). I reprogrammed the replacement FRM with my VIN and VO and disabled the AUTO_LWR_ENABLE, but also found an option DYNAM_LWR_ENABLE which I also disabled. There is no 9CB6 error any more with this configuration.
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