05-21-2022, 11:20 AM | #1 | |
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Factory Resetting Headunit (Bimmercode failing to read)
A few years ago I had Apple Carplay installed third-party through the USB-drive trick, and it worked great. Last week, car was taken in to dealership for some service and they updated the headunit to NBTevo_Y, and erased pretty much all of my personal settings as well as custom codings.
Not only is Carplay gone, but I'm unable to code the headunit module through Bimmercode (says "error reading coding data"), which I've seen is common. The Carplay mod locks up the headunit so that no additional coding can be done through Bimmercode. However, now Carplay is gone but I still am unable to code the headunit. I'm looking for any way I can "reset" the headunit to factory settings, or somehow be able to code the headunit again. Bimmercode is preferred, but I've also seen that people are able to use E-Sys to VO Code the ECU file Quote:
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05-22-2022, 11:01 AM | #2 |
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No, they performed a recall service (something about programming exhaust) and as a result it updated the NBTevo version. Headunit appears to be fully reset, but it is still acting as if it has the aftermarket Carplay installation blocking me from reading coding data.
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05-23-2022, 07:45 AM | #3 |
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I am pretty sure you'd need to go through the ESYS procedure, it's not something you can do with bimmercode. It happens when the car is "taught" a different module than what is present. I'm guessing the carplay mod makes the car think it's an entirely new headunit. I had to do this when I swapped my pre-LCI climate control panel with a LCI one. Everything worked perfectly without doing the ESYS procedure like it was plug and play-- but I was unable to code it with bimmercode and it would throw IKHA related diagnostic codes.
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05-23-2022, 08:51 AM | #4 |
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Code:
DME2[DiagAddress=18(0x12)] xxxxxxxxH0U46636 RootCertStatus not available SWSigStatus accepted SWTApplications ---------- AppID 195(0xC3) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus not available FSCCertStatus not available ---------- AppID 157(0x9D) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus not available FSCCertStatus not available EPS[DiagAddress=48(0x30)] xxxxxxxxH0U46636 RootCertStatus not available SWSigStatus accepted SWTApplications ---------- AppID 131(0x83) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus accepted FSCCertStatus not available HU_NBT2[DiagAddress=99(0x63)] xxxxxxxxH0U46636 RootCertStatus not available SWSigStatus accepted SWTApplications ---------- AppID 158(0x9E) (NBT iSpeech) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus rejected FSCCertStatus not available ---------- AppID 160(0xA0) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus accepted FSCCertStatus not available ---------- AppID 368(0x170) (Unbekannt) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus not available FSCCertStatus not available ---------- AppID 111(0x6F) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus accepted FSCCertStatus not available ---------- AppID 159(0x9F) (NBT TextToSpeech) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus rejected FSCCertStatus not available ---------- AppID 156(0x9C) (A4A) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus rejected FSCCertStatus not available ---------- AppID 229(0xE5) (M Laptimer) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus rejected FSCCertStatus not available ---------- AppID 289(0x121) UpgradeIndex 39(0x27) SWTType SWTclassic light FSCStatus accepted FSCCertStatus not available ---------- AppID 323(0x143) (Apple CarPlay) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus rejected FSCCertStatus not available ---------- AppID 366(0x16E) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus accepted FSCCertStatus not available ---------- AppID 367(0x16F) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus accepted FSCCertStatus not available KAFAS2[DiagAddress=93(0x5D)] xxxxxxxxH0U46636 RootCertStatus not available SWSigStatus accepted SWTApplications ---------- AppID 126(0x7E) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus accepted FSCCertStatus not available ---------- AppID 190(0xBE) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus not available FSCCertStatus not available ---------- AppID 191(0xBF) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus not available FSCCertStatus not available I'm able to code the HU_NBT2 through E-Sys no problem, but now i'm wondering if there is a way to remove the rejected FSC codes. Not causing any issues, but it doesn't look good. |
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05-23-2022, 09:43 PM | #5 |
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Did you try disconnecting your battery? I know if you do, AFTER DISCONNECTING take the positive cable and negative cables and touch them together holding for about 15 20 seconds. This might work and then let you re code with bimmercode. This might be something to consider before paying out any $$$. Eather way please keep us updated. Thanks for sharing
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05-23-2022, 10:36 PM | #6 | |
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Not sure if I'll try that or not. I messaged the legend ShawnSheridan and told him that despite my FSC codes showing rejected, the respective functions are still working (nav, text-to-speech, Carplay, etc.) and he was dumbfounded. No issues at the moment, so I think I'll just leave the car alone for now. I have a habit of getting in over my head and overcomplicating things |
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05-24-2022, 07:09 PM | #7 |
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I don't know the technical answer. I was told to do this by my BMW certified technician. I also have a 328i convertible. I was having an issue with the head unit with some settings. After doing this it cleared the coding issue I was having. Good luck and keep us posted please
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07-19-2022, 09:58 PM | #8 | |
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Also, wondering if there are any instructions how to do coding using usb stick, or need to purchase OBD cable for it |
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02-09-2023, 06:24 AM | #11 |
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I seem to be in the same boat here after a recent HU replacement and lost my stuff.
I was thinking about trying out Bimmercode out of convenience to re-code my car as my e-sys version expired ages ago. From what I'm trying to understand from this thread, does Bimmercode not work if you get an aftermarket carplay activation? Just thought I'd ask the question before I drop the cash on an adapter and the app unnecessarily. Or is it the case that seeing as I have a completely new HU I should be fine to have both? |
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