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  1. #1
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    Default Noob problems with DNX572BH

    I purchased my Kenwood nav unit as an open box return from Best Buy last Saturday. I figured, why not? I got it cheap enough, grabbed a wiring harness and a mounting kit for my '07 F150 and went to town soldering wires.
    Sunday involved installation and everything works perfectly. Well, everything except for the nav. It doesn't have any maps installed on it. Now, I'm fairly savvy with a computer (I run my own computer repair business) and don't usually have problems downloading files, extracting, and installing them.
    First step was Garmin Express. After putting the SD into the nav unit (16 Gb SanDisk CL4 SDHC after a fresh format) my nav unit said that files were copied onto the SD. I put it into my laptop and, lo and behold, there's a Garmin folder there with a .xml file inside. Nothing else. I connected with both an SD adapter as well as an SD reader so I know the card works.
    I tried using Garmin Express to update the files and it won't let me connect to the servers. And for some reason, it's detecting my unit as "Kenwood 2015" and showing me a picture of a watch.
    So perusing the various Kenwood/Garmin threads here, I'm not able to find much on the DNX572BH. I did review the stickied thread on the DNX9990HD however, the files aren't linking correctly for me. I'm hoping someone with more experience can point me in the right direction to get the correct files installed on my SD and get the nav up and running. Considering nav is really the only reason I purchased this unit, it would be lovely if I could get it working. Oh, and Garmin customer service is about as useful as changing a light bulb with a hammer.

    I don't get it. My unit's registered with Garmin. The SD works. I've followed the instructions. Am I doing something wrong or might there be a problem with the head unit?

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  3. #2
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    **UPDATE**
    I contacted Garmin who politely explained that my nav unit is defective based on what I'm experiencing and needs to be returned so this unit is going back to Best Buy on Saturday. Or Sunday. Something about the internal memory being corrupted.
    I've had my local Kenwood dealer order me a DNX573S which should hopefully solve my problems.
    In the end, this should be okay. The more I'd read on the DNX572BH, the more I didn't want it anyway.

  4. #3
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    The incorrect identification of the unit by GarminExpress reading the GarminDevice.xml as a watch product is symptomatic of a wrong firmware flash which has changed the unit's HWID. Could be that's why the original purchaser returned it after playing around with its fw. It maybe can be restored by flashing the correct fw again ... or maybe not. You'll be better off with the 573 anyway.

    Thanks for reporting back and welcome to GPS Power
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  5. #4
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    It seems to me that since unit is already consider DOA and there is no problem returning it. Why not see if recovery is possible before getting rid of it. You're in good hand with the Wizard of "Oz"
    "You know the very powerful and the very stupid have one thing in common. They don't alter their views to fit the facts. They alter the facts to fit the views." -DrWho

    Do NOT PM me with requests or for fixes to your problem. Post in thread instead. All communications in English only!

  6. #5
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    Quote Originally Posted by Neil View Post
    The incorrect identification of the unit by GarminExpress reading the GarminDevice.xml as a watch product is symptomatic of a wrong firmware flash which has changed the unit's HWID. Could be that's why the original purchaser returned it after playing around with its fw. It maybe can be restored by flashing the correct fw again ... or maybe not. You'll be better off with the 573 anyway.

    Thanks for reporting back and welcome to GPS Power
    Hadn't looked thought that maybe a firmware flash had gone awry but wouldn't doing the firmware update from Kenwood's site have corrected it? Or at the very least made the the problem even worse since it'd be trying to update an incorrect firmware?

  7. #6
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    Quote Originally Posted by Darksaber View Post
    Hadn't looked thought that maybe a firmware flash had gone awry but wouldn't doing the firmware update from Kenwood's site have corrected it?
    Well, didn't you mean that GE refused to dl anything to the SD so in fact the fw has not been 'updated' at least not by you of course. About my wrong firmware flash musing, i only raised it as a 'could be' however a failed/wrong fw flash will certainly corrupt the internal memory and a wrong one can change HWID so GE misidentifies from the XML file. I have little experience with the Kenwood headunits, but do know that other than they run Garmin software they are quite different in hardware to Garmin's proprietary PNDs. Anything is possible however, right up to a possible hardware fault such as a failed/failing internal flash drive. If the problem is indeed firmware related, it's highly likely that someone has force-flashed an inappropriate firmware/software. I don't think Kenwood units have a pre-boot [boot block] mode as do Garmin PNDs so i'm not even sure how a flash of that kind can be done. Simply introducing a wrong gupdate.gcd file in theory will have no effect as the device should just refuse to flash it, at least that's the way the PNDs work. But not all Kenwoods update the same way and it seems maybe the 2015 DNX range use Garmin Communicator Plugin to read the SD card and download the appropriate firmware:
    Code:
    Please Login or Register to see the links
    [Only registered and activated users can see links. ]

    So maybe it's not actually compatible with GarminExpress updates.

    Some other links:
    Code:
    Please Login or Register to see the links
    Or at the very least made the the problem even worse since it'd be trying to update an incorrect firmware?
    Maybe. If you get nowhere with the links or already have them, can you post a copy of the GarminDevice.xml from the SD's Garmin folder please? Remember to remove the 10-numeral UID [/Model><Id>xxxxxxxxxx</Id>].

    ORAK is the chief moderator of this section and he and other helpers are very knowledgable with Kenwood so maybe you'll get more specific advice ongoing. Despite my friend osiris4isis's kind words i'm not a kenwood 'wizard' at all. [Thanks anyway Tex].
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  8. #7
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    Quote Originally Posted by Neil View Post
    Well, didn't you mean that GE refused to dl anything to the SD so in fact the fw has not been 'updated' at least not by you of course. About my wrong firmware flash musing, i only raised it as a 'could be' however a failed/wrong fw flash will certainly corrupt the internal memory and a wrong one can change HWID so GE misidentifies from the XML file. I have little experience with the Kenwood headunits, but do know that other than they run Garmin software they are quite different in hardware to Garmin's proprietary PNDs. Anything is possible however, right up to a possible hardware fault such as a failed/failing internal flash drive. If the problem is indeed firmware related, it's highly likely that someone has force-flashed an inappropriate firmware/software. I don't think Kenwood units have a pre-boot [boot block] mode as do Garmin PNDs so i'm not even sure how a flash of that kind can be done. Simply introducing a wrong gupdate.gcd file in theory will have no effect as the device should just refuse to flash it, at least that's the way the PNDs work. But not all Kenwoods update the same way and it seems maybe the 2015 DNX range use Garmin Communicator Plugin to read the SD card and download the appropriate firmware:
    Code:
    Please Login or Register to see the links
    [Only registered and activated users can see links. ]

    So maybe it's not actually compatible with GarminExpress updates.

    Some other links:
    Code:
    Please Login or Register to see the links
    Maybe. If you get nowhere with the links or already have them, can you post a copy of the GarminDevice.xml from the SD's Garmin folder please? Remember to remove the 10-numeral UID [/Model><Id>xxxxxxxxxx</Id>].

    ORAK is the chief moderator of this section and he and other helpers are very knowledgable with Kenwood so maybe you'll get more specific advice ongoing. Despite my friend osiris4isis's kind words i'm not a kenwood 'wizard' at all. [Thanks anyway Tex].
    I tried the Communicator plugin as well and still nothing. It absolutely refuses to detect any kind of media either through my SD adapter or reader. The Garmin dude said it might either be an internal memory issue or the nav part of the head unit might just be straight faulty. At this point, I'm going to try to return it to Best Buy this weekend since I'll have a 573 tomorrow. One thing I've learned from working on computers is that they're not always fixable and if they are, it's not always worth it.
    This unit was on (IIRC) firmware v1.0.0 out of the box. I updated to v1.6.0 and no change in nav function. I asked this guy if he could sell me a preloaded SD card for this model and he recommended against it since it wouldn't guarantee to actually fix anything. If it didn't, then I'm out $75. The writing's on the wall if you ask me.

  9. #8
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    Light bulb moment! 'This unit was on (IIRC) firmware v1.0.0 out of the box. I updated to v1.6.0 and no change in nav function.' And there it is. You won't get any firmware with the latest generated XML anyway because the unit already has the latest V1.6 on board. The xml file, if it was read, would tell the Garmin helper software [be that GE or GCP] that the latest is already loaded. You may be able to dl V1.6 again by changing the version number from 1.60 to 1.00 in a copy of GarminDevice.xml file [SoftwareVersion>100</SoftwareVersion>] and using a different SD card.

    The update page works for me. I just put a GarminDevice.xml from a nuvi 465 in Garmin folder on a microSD and the Kenwood page recognises the media, starts to read the xml but then stops when it twigs that it's not actually a kenwood device xml:

    [Only registered and activated users can see links. ] [Only registered and activated users can see links. ]

    I guess you've had quite enough messing around with the faulty unit though but maybe this thread will help someone else later.
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
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