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BMW Reset F series FRM3 short circuit counter?
05-07-2022, 16:04 PM,
Post: #1
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BMW Reset F series FRM3 short circuit counter?
I have a problem with BMW F10 that had water in headlight and it was probably driven around with this problem for quite some time. We changed out both headlights and headlight driver modules (TMS) with new parts.
After doing that angel eyes/DLR didn't work and there was following error: 800FC8 LIN bus, headlight driver module (TMS), left: communication fault We tried to use the initialisation feature in ISTA but that failed saying we need to replace the FRM module. I tried coding FRM with esys and that worked, the 800FC8 error disappeared, but it was replaced with the following error: 800FC0 LWR fault in headlight driver module, left According to ISTA, many problems can cause this error, but as we have already changed out headlights and their modules, only thing that sounds plausible to me is the following reason: frequency of short circuits too high I have used tool32 to reset short circuit counters in E series cars FRM1 and FRM2 modules, but never in F series FRM3. As far as I understand, that's not possible using Tool32? I couldn't find any job that worked. From what i read in different forums, it seems it is possible to reset short circuit counters in F series FRM3 by reading out dflash and modifying it or flashing someone elses dump on it? Anyone here knows how to do that? Anyone knows where I could get a F series FRM3 dump? I have xprog, not sure if that will work with F series FRM3? Another option is to replace the FRM3 I guess? From what I read on different forums, a used FRM3 can be installed and only needs to be coded with esys. Is that correct? Thanks in advance! |
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05-07-2022, 19:03 PM,
Post: #2
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RE: BMW Reset F series FRM3 short circuit counter?
with ista+, in the module tree, hover over the frm and you will see the version of frm you have frm_XX.prg.
go to tools32 and load the corresponding file. then use "status_lampen_kurzschluss_counter" to see which one has a counter other than 0 and then "steuern_lampen_kurzschlussabschaltung or_reset_kurzschluss_sperre" to reset it. |
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05-07-2022, 20:25 PM,
Post: #3
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RE: BMW Reset F series FRM3 short circuit counter?
DR.GINI or Tool32
F30 Reset short circuit for FEM STATUS_KURZSCHLUSSABSCHALTUNG STEUERN_RESET_KURZSCHLUSSABSCHALTUNG 0xFF |
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06-07-2022, 07:11 AM,
Post: #4
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RE: BMW Reset F series FRM3 short circuit counter?
(05-07-2022, 19:03 PM)fitacuevas Wrote: with ista+, in the module tree, hover over the frm and you will see the version of frm you have frm_XX.prg. I tried all commands that had kurzschluss in them in frm_70.prg and frm_87.prg, all of them give error. frm3.prg doesn't have any commands that include the word kurzschluss. I have read in another forum that there is a newer file frm_70.prg that has a command that works with FRM3 but I have not been able to find that file. (05-07-2022, 20:25 PM)foxportal Wrote: DR.GINI or Tool32 I know about F30 and FEM_20.prg commands, but we are talking about F10 and FRM3 here... I even checked ARG's in FRM3.prg to check if they include STATUS_KURZSCHLUSSABSCHALTUNG or STEUERN_RESET_KURZSCHLUSSABSCHALTUNG but they don't. |
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06-07-2022, 07:43 AM,
Post: #5
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RE: BMW Reset F series FRM3 short circuit counter?
As far as I know, în F series FRM3 shortcircuit counter resets itself as soon as the fault is eliminated.
But I might be wrong, wait for other opinions. |
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06-07-2022, 08:29 AM,
Post: #6
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RE: BMW Reset F series FRM3 short circuit counter?
IMHO you are overthinking this. If that fault is a new one that means that condition which caused it has/is occurring RIGHT NOW or not long ago. Definitely AFTER you deleted the previous fault. So there is no sense in trying to reset the short circuit which is still there. And after it will be fixed deleting that fault should reenable all related circuitry.
Are those part really new and original? Or TMS chinesium? |
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06-07-2022, 18:00 PM,
Post: #7
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RE: BMW Reset F series FRM3 short circuit counter?
(06-07-2022, 08:29 AM)Node Wrote: IMHO you are overthinking this. If that fault is a new one that means that condition which caused it has/is occurring RIGHT NOW or not long ago. Definitely AFTER you deleted the previous fault. So there is no sense in trying to reset the short circuit which is still there. And after it will be fixed deleting that fault should reenable all related circuitry. Headlights and modules are new and original. I'm quite sure the problem is in FRM. It's either fried or there is a active short circuit counter. As I said, the car was driven for years with this problem before the owner decided to fix it. Car owner will probably end up buying a new FRM, I will update if that resolves the problem. If anyone knows how to check/reset short circuit counter on FRM3, then please let me know, I'm still interested in finding out if there is something that can be done in that case. |
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05-02-2023, 20:57 PM,
Post: #8
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RE: BMW Reset F series FRM3 short circuit counter?
You need to reset the short circuit counter itself, not the short circuit only.
There is a arg under these commands, or search for a command with “Counter” related to short circuit, i made it many times in FEM as well. All my knowledge is free for exchange with valuable information
Sharing->Development
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05-02-2023, 21:01 PM,
Post: #9
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RE: BMW Reset F series FRM3 short circuit counter?
no reset in frm3 f series, is auto resetting when fault solved and off on lights
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06-02-2023, 19:47 PM,
Post: #10
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RE: BMW Reset F series FRM3 short circuit counter?
(05-02-2023, 21:01 PM)____ANGEL___ Wrote: no reset in frm3 f series, is auto resetting when fault solved and kl15 on off on There is a counter when the number of enabling the short circuit get exceeded All my knowledge is free for exchange with valuable information
Sharing->Development
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