02-08-2022, 03:59 PM | #2927 |
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02-08-2022, 06:07 PM | #2928 |
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02-09-2022, 10:09 PM | #2930 |
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02-09-2022, 11:25 PM | #2931 |
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A question: where can I find information about which ECU is affected by which VO code? For example VO 609 requires HU coding, but also KOMBI, and 205 to 2TB requires FEM ,EGS, ICM ECUs to be coded also. (I know this is dependent on the actual year, model, factory vs retrofit, etc). I saw a guide on ECU flashing (not coding) that lists some dependencies, but seemed complex.
A note to other newbie-coders like me: even if you only code the individual ECU vs he VCM (entire car = all ECUs at once), be careful with ACSM. I accidentally coded it, and on top of that I coded it with a different zeitkriterium (manufacture date) and there was no way to reset the error code via Esys transmitter, ISTA (haven't tried the Tool32 method). Changing back to the factory date fixed it right away, did not need to relock it. Also, using too new zetkriterium for certain ECUs (example FEM) will throw error codes (for example related to keyless entry, antenna, door locks, rain sensor, etc.). You may be chasing your tail unnecessarily to find the physical source of the errors. What is the "rule" for zeitkriterium? And how does the I-Level date come in the picture? Last edited by fe7565; 02-09-2022 at 11:57 PM.. |
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02-10-2022, 01:45 AM | #2932 | |
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So besides being very tedious, you would also need to have Untrimmed FAFP and CAFD files, and be able to Decrypt them. It is far easier if you have doubt to simply VO Code the entire ECU Tree (all ECU), just do NOT do so with motor running, as when it gets to VO Coding the DME / DDE module, it will stall out the motor and the CAFD will become corrupt.
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02-10-2022, 06:42 AM | #2933 |
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Thank you very much Shawn for your kind response.
Although I would be wrong to say I understood everything, I did dig around some based on your description. It certainly seems like a complex effort that may be best avoided with some no-nonsense coding. One thing that came up in my search spurred by your comment is the: NCD . CAFD Tool I downloaded and installed it, but not sure if it's worth the learning curve. I will first try the simpler general coding you outlined. As far as DME CASF corruption. When I first coded I used Bimmercode and had the car running and not knowing any better coded my DME which promptly as you said stalled my car engine. Luckly, did not notice any issues afterwards. After that, I have been using a power supply that is capable 30 amps continuous at 13V, albeit I read that 50 amp-70 amps is desired. Which contradicts Bimmertech's notes calling for 15 Amps minimum. There are also cheap $15-20 HP server power supplies on Ebay and Amazon that can be fairly easily (one resistor) converted to 14V and 60-100 Amps constant supplies. Last edited by fe7565; 02-10-2022 at 06:49 AM.. |
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02-10-2022, 12:32 PM | #2934 | |
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02-10-2022, 01:36 PM | #2936 |
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02-10-2022, 05:35 PM | #2938 |
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02-12-2022, 03:39 PM | #2940 | |
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Short question: why is ISTA showing the wrong production date of 0714 (zeitkriterium) when I VO coded all ECUs with 0312 (except NBT_HU)? (never used VCM coding only ECUs individually). Long question: My factory zeitkriterium is 0312 (F30). Previously, I VO coded NBT_HU, BKOMBI, ICM, and FEM_BODY with zeitkriterium 0714. Then last time I recoded all the ECUs individually to 0312, except my NBT_HU because it's a retrofit with emulator and I had it coded with the emulator's VIN and 0715 zeitkriterium. Still under ISTA it shows 0714 which throws error codes related to rear window regulator normalization, etc. (I tried to normalize in ISTA, but does not roll up/down the windows during the ISTA process, otherwise they all work manually or with remote). In another thread this was associated with wrong production date because there is different equipment from 0312 to 0714. These error codes started after I accidentally coded my ACSM ECU with 0714, which I recoded with 0312 later fixing the restraint system errors, but leaving the rear window errors still. First, immediately after VO recoding ACSM with 0312 (factory date) iSTA showed the correct 0312 date (does ISTA get its "production date" from the ACSM ECU?), but the error codes were still there. Then when I went back to ISTA again, 0714 showed up even after I recoded VO in all the ECUs with 0312 (except NBT_HU 0715). After VO coding all ECUS with 0312 a second time, I also used ESYS external-application to lock/renew the ACSM ECU. Should I lock the ACSM using the Tool32 method? Or lock it in ISTA? Using Esys 3.271 and Esys 30.x. and using ISTA 4.31.4 What am I screwing up? Last edited by fe7565; 02-12-2022 at 03:56 PM.. |
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02-12-2022, 03:50 PM | #2941 | |
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Lock ACSM with ISTA or Tool32. Makes no difference.
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02-12-2022, 04:02 PM | #2942 |
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Thank you for the quick reply. How do I change the zeitkriterium in VCM without coding the entire VCM? I have been careful to only code individual ECUs (right click on ECU and "code") and never used to code with the "VCM master" tab.
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02-12-2022, 04:05 PM | #2943 |
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Edit FA, change zeitkriterium, and write FA to VCM. I would not leave it like this though.
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02-12-2022, 06:22 PM | #2944 | |
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Note to self: close driver door ( all doors) or normalization will fail without saying why.
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02-12-2022, 08:32 PM | #2945 | |
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02-15-2022, 03:20 PM | #2947 |
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