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Bully Dog MBN ISSUES!!!!!

Discussion in 'Trucks [ Eighteen Wheelers ]' started by SHC, Oct 22, 2011.

Page 1 of 2
  1. Oct 22, 2011 #1
    SHC

    SHC Spoiled Rotten Brat O/O

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    Westville, IN
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    Let me go thru the steps first. This is all based on a MBN C15 in a 2004 Western Star which may have had a 6NZ tune installed at some point but I do not know....

    I hooked up the downloader to the truck and it read the ECM info, then told me to hook it up to my PC and download the tuned file, which I did.

    I then went back to the truck and installed the tune.

    After the install, I turned the key off for 10 sec as told to do and started the truck. But now the check engine light is flashing and the throttle does nothing like it's dead. Also I cannot bump up the RPM's with the cruise control!!!

    So i read the codes and I got a 25 (boost sensor) and a 56 (check customer or system parameters) ..... thing is, before installing the tuner, I let the truck run for 15min to charge the batteries and everything was fine, now it's all jacked up. Not sure what happened here???

    I am having a feeling that the ECM may have been programmed before and the tuner read that file and it changed it to something my ECM/truck does not understand????

    Anyways, they have no tech support on weekends aparently so I'm screwed.

    Returned the truck to 'stock" but it still does the same thing. So i came home and re-downloaded the tunes and noticed it downloads a "stock" tune file from them, which is most likely not the right one :(
     
    SHC, Oct 22, 2011
    SHC, Oct 22, 2011
    #1
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  3. Oct 22, 2011 #2
    pullingtrucker

    pullingtrucker Road Train Member

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    Unfortunitly you are screwed unless you can get a CAT shop to reflash your ECM. I have experienced this problem once before right after CAT "upgraded" my programming. It is a communication problem where the downloader didn't install the correct file based on the ECMs personality model. If you can wait till Monday contact Justin (lead engineer) at BD and he can resolve the issue. If not then your only choice is to have a shop reflash it. Sorry it happened, but this is a rare occurance and why they have the warning about doing the inital tune during thier tech support business hours.
     
    pullingtrucker, Oct 22, 2011
    pullingtrucker, Oct 22, 2011
    #2
    SHC Thanks this.
  4. Oct 22, 2011 #3
    SHC

    SHC Spoiled Rotten Brat O/O

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    Feb 26, 2011
    Westville, IN
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    Yeah, I am going to wait till Monday..... so far I am not very impressed either since their site and the paperwork says 24 HOUR TECH SUPPORT but all it does is ring and disconnect. That kinda pissed me off!!!

    Also, like I said, i have a feeling that the personality module may have been already changed at some point. Add that on top of a roadside breakdown on Thursday night, and a flat tire on Friday, it just finishes off my week properly.......But no biggie, I am at home for the weekend and my load on Monday was covered for me, so i will just sit here and watch some college football and drink my whiskey LOL
     
    SHC, Oct 22, 2011
    SHC, Oct 22, 2011
    #3
  5. Oct 22, 2011 #4
    pullingtrucker

    pullingtrucker Road Train Member

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    Fostoria, Ohio
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    I feel your recent pain. My truck blew a head gasket after 10 months since a inframe. The CAT reps can't figure out why so they yanked all 6 liners out and are diving in which pushed the done date back to Mon or Tues. I needed a rental truck and only found 1 in a 100 mile radius. Picked up the truck to find out it has major EGR and or VGT issues. So now I'm taking a second week off since I only load out on Friday nights-Saturday mornings.
     
    pullingtrucker, Oct 22, 2011
    pullingtrucker, Oct 22, 2011
    #4
  7. Oct 22, 2011 #5
    SHC

    SHC Spoiled Rotten Brat O/O

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    Feb 26, 2011
    Westville, IN
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    OUCH.... I feel your pain!!
     
    SHC, Oct 22, 2011
    SHC, Oct 22, 2011
    #5
  8. Oct 23, 2011 #6
    Mr. Haney

    Mr. Haney Road Train Member

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    The problem is the Personality Module Code from the downloader doesn't match what was in the ECM before you started. Once you change the Personality Module Code you have to generate passwords to get the truck to operate properly. If you can't enter passwords the engine will behave in the manner you've described.

    BG should always read the PMC from the ECM and then match the PMC when you hook the downloader to your PC to upload the correct tuned flash file. The downloader didn't match the correct flash file when you plugged it into your PC to download the tuned file. Now not only do you have the wrong tuned file, but you have the wrong factory flash file to return it to stock with the downloader also. Until you program the PMC with factory passwords, the truck is dead in the water.

    All you can do at this time is flash it back to the original flash file that was in the ECM before you started this project or have someone reprogram the PMC by being able to generate factory passwords. If you did had a 6NZ or 7CZ file in the ECM and don't know what it's PMC was before you started, you'll have to use CAT ET to program the PMC and when the screen for you to input the password comes up, you'll see what the original PMC was before you started. Then you can cancel this and flash with the correct PMC to get the truck to operate properly without getting in touch with BG or programming the PMC with factory passwords. If you go to a CAT dealer, they'll only flash the MBN flash file into the ECM that is in their records. You may also raise a concern with them if it did have a 6NZ or 7CZ file in it as they'll have to get factory passwords from CAT to flash the MBN file in it.
     
    Mr. Haney, Oct 23, 2011
    Mr. Haney, Oct 23, 2011
    #6
  9. Oct 23, 2011 #7
    SHC

    SHC Spoiled Rotten Brat O/O

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    Feb 26, 2011
    Westville, IN
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    I am starting to understand it all now. Hopefully tomorrow when I call BD, they can get me the right file and tune set-up. If not, they will be paying for a CAT dealer to come to my house I guess.
     
    SHC, Oct 23, 2011
    SHC, Oct 23, 2011
    #7
  10. Oct 23, 2011 #8
    rollin coal

    rollin coal Road Train Member

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    Ouch, in other words.. do not flash BD in there unless you know exactly what CAT file is in the MBN's ECM. Hopefully you'll get it going there SHC a little snafu like that would put me in one helluva bind if I was under a load.
     
    rollin coal, Oct 23, 2011
    rollin coal, Oct 23, 2011
    #8
  11. Oct 23, 2011 #9
    SHC

    SHC Spoiled Rotten Brat O/O

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    Feb 26, 2011
    Westville, IN
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    Got it all fixed.... took Justin 5 mins to have me change a code in the programmer and now she runs fine!!!
     
    Last edited: Oct 24, 2011
    SHC, Oct 23, 2011
    SHC, Oct 23, 2011
    #9
  12. Oct 24, 2011 #10
    SHC

    SHC Spoiled Rotten Brat O/O

    8,484
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    Feb 26, 2011
    Westville, IN
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    Going to start logging my experiences with it now. Will start a thread about it in a few weeks after I have some info recorded.
     
    SHC, Oct 24, 2011
    SHC, Oct 24, 2011
    #10
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