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i attached the file for the truck to look at

truck wasnt stock from the start truck had been played with but for some reason nobody changed to limter but i learned its not good to max them out so i did lower them down to 200 i just was hoping...

yes trucks at my shop now i did neutral and no shift still it did have a blown jcase fuse for tcm i replaced that and still wont shift out but light says 2wd dash says 4wd ran codes and says lost com...

so i had a friend have me look at his file so i read vehicle took file looked like someone has been there before i adjusted what he wanted was dod disabled and speed limter so i got the 4 credits...

file

2003 chevy 2500 has 4l80e i have shift lock enabled but why is it 1 to 2 shifts it wont hold first gear unless im WOT but it will hold any other gear is there something im missing i forgot to change ...

ok ill try it out in morning see how i like it i got to log some to which i barley have thats where im new to learning is this maf and ve tables trying to watch some training videos on stuff but...

im curious on how my file looks to someone who does this stuff alot and what i might look to change now that i have headers full dual stainless exhaust no cats either and is there anything else i...

so i replaced this 6l90e with used low mile one now it wont upshift because tcm dont match my vin im wondering does anyone have a stock file ill provide the vin for you to match up dealers are 3...

like 500 dollars its insane but i dont think thats going to cure my transmission truck runs fine just dnt move much..

it never had stock file is issue bought truck with bullydog tune in it guy threw the device out the window ya idk so i have been trying to copy from a stock file same identical truck but some where i...

so i flashed my tune into truck which i thought was original tune that was bullydog but now it wont drive until i rev it to about 1500rpms then slams into gear so my question is what the hell did i...

i tried reflashing 3 times the relearn trans now if put it in drive start give it gas it starts to slowly move but barley i probly done fucked up id say

ok so now i started it and when i give it some throttle it starts to move forward do i have something set wrong in the tune i guess

so i unplugged trans and it wont even start which i thought it wouldnt so do i do tht while its running

ya i haven't plugged my scanner into it yet and im a mechanic i work on vehicles all day im not stupid but half this stuff i have no clue on i was raise on carb motors old trucks i just purchased...

ya me either and by the looks newbies are very well liked not like im competion or some shit just trying to learn this shit but thanks for the help you were only decent one to chime in haha ill keep...

never had those codes until i flashed it i drove truck in shop now wont drive check this file out does anything stick out thats not good in trans area maybe i fucked it up

its also throwing codes for no communication to pcm/ecm and tcm but iv seen that before when flashing a tune so idk

ok i will try that when i get home later ok so i can replace all that instead of whole transmission im used to older stuff and the gen 3 4l80e

i dont have a remote just one key isnt the tcm inside of trans shit happens im new so learning is doing things but is what it is

ok i saw this thread i think i did some shit wrong so i went in was on this trans present and then clicked fast learn but truck wasnt running i didnt think anything was working when i was clicking it...

i made changes from file i took from the truck

this is the bullydog tune i took from the start

where is that button or you mean run diagnostics and codes iam new to this and why im using my own truck as a test dummy i hope i did fry tcm inside transmission its a 6l80 so its internal this...