MAdams
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Sure I'll throw a stamp on it and drop it in the mail today
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MTVR ECM Configure File
- Thread starter MAdams
- Start date
Josephlew08
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Would anyone be able to send me a 505 tune. The garage I have the truck at has a lot of tunes for c12s but only up to 445 hp. Thank you
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That info can be found here. https://southeastmilitaryequipment.com/mtvr
euclides5370
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Can sameone understand about this stuff give me ring a?
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Your best bet is probably to post up a detailed question, you'll find many people very willing to help. It's almost always very difficult to diagnose over a phone.
euclides5370
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I try everything so far like priming fuel truck won't start ,cranks really good runs on ether but stop after , everything looks good ,compression, I try to connect the cat et to ECM and looks like was gone so I try to flash and did flash but still can't connect right ..
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Do you get any codes?
I seem to remember someone offering to 'rent' a good ECM for troubleshooting. . .
I have an ECM that will work to troubleshoot. The problem with it is that once you turn off the truck for a while it loses the configuration because the battery inside is bad.
Jon
I seem to remember someone offering to 'rent' a good ECM for troubleshooting. . .
I have an ECM that will work to troubleshoot. The problem with it is that once you turn off the truck for a while it loses the configuration because the battery inside is bad.
Jon
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Leave the truck keyed on for a while. See if connection becomes less speraric.
euclides5370
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No codes at all
euclides5370
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I will try that I check the pins on the connector everything looks good the 24v and the ground ones
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I mean basic, can you connect with cat et? Can TIM see the ecm?
euclides5370
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I can't connect but show information when I want to flash
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euclides5370
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I did the flash but didn't fix
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- La Crosse, WI
Okay, so it's good news you can talk to the ECM, that also shows you have/had the OLD flash file that could cause start issues. See here: https://static.nhtsa.gov/odi/tsbs/2020/MC-10177116-0001.pdf
After flashing did you load the config file? The truck has to be told all the settings to run (the flash is just the "tune" but lacks the specific information for your truck.
Seems like you are having connectivity issues, but the fact you were able to successfully load the flash? Doesn't make sense that ET (not winflash) can't read it unless your connection settings are a bit off. Could also happen if you a flaky protocol adapter - there are lots ofknock offs out there.
After flashing did you load the config file? The truck has to be told all the settings to run (the flash is just the "tune" but lacks the specific information for your truck.
Seems like you are having connectivity issues, but the fact you were able to successfully load the flash? Doesn't make sense that ET (not winflash) can't read it unless your connection settings are a bit off. Could also happen if you a flaky protocol adapter - there are lots ofknock offs out there.
euclides5370
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I will try to get a different scanner my is fake one
euclides5370
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I think Is dead now I was able to work but very strange decide to die not showing at all after I put the file for 505 and the work so I try to go back stock and after die not showing anymore
What's kind ECM can I replace have to be exactly c12 ecm or can be other model since I will flash
What's kind ECM can I replace have to be exactly c12 ecm or can be other model since I will flash
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Has to be a very specific ECM. If you have to ask it is likely you should not be programming your own ECM. Severe engine damage will occur and can also cause transmission damage. I recommend honestly to get a drop in replacement ECM for your truck pre programmed and configured. I do sell them this way so if interested let me know. I can also do a proper attempt to flash your ecm.