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06-14-2016, 04:55 PM
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#1
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Name: will24
Title: That guy
Status: Not Here
Join Date: May 2010
Location: South Williamsport, PA, Elverson, PA and Luray, VA
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Posts: 2,719
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2009 c5500 a50 - help!
Hey guys, I have a dilemma. Hoping an Allison expert can help me out... I replaced the tcm on a c5500 for a customer. OS on the new dealer TCM was a different version. I have saved copies of the new blank, original and a version I built from the new blank and original parameters. Is anyone willing to look at these via email to see if we can make something work??
Thanks
Will
Sent from my flashscan v2
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06-14-2016, 07:18 PM
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#2
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Name: Ackerdiesel
Title: Too Much Time
Status: Not Here
Join Date: Nov 2010
Location: Western KY
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Posts: 1,086
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Is the TCM not happy or did you try it?
Ryan
__________________
04.5 2500 CR Built by Cruel Intentions Diesel with the help of:
D&J Precision Machine
S&S Diesel Motorsports
BD Diesel Performance
Diesel Performance Converters
Pro Street Diesel
Drivelines Plus
Done Right Diesel Performance
Firepunk
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06-14-2016, 08:39 PM
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#3
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Name: will24
Title: That guy
Status: Not Here
Join Date: May 2010
Location: South Williamsport, PA, Elverson, PA and Luray, VA
Member`s Gallery
Posts: 2,719
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It takes the flash but I get a continuous flashing service light and have no communication at all with the new tcm once it's flashed.
Sent from my flashscan v2
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06-15-2016, 01:30 AM
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#4
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Name: Ackerdiesel
Title: Too Much Time
Status: Not Here
Join Date: Nov 2010
Location: Western KY
Member`s Gallery
Posts: 1,086
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What does it do with the file from the dealer? What platform are you using to flash?
Ryan
__________________
04.5 2500 CR Built by Cruel Intentions Diesel with the help of:
D&J Precision Machine
S&S Diesel Motorsports
BD Diesel Performance
Diesel Performance Converters
Pro Street Diesel
Drivelines Plus
Done Right Diesel Performance
Firepunk
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06-15-2016, 06:12 AM
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#5
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Name: will24
Title: That guy
Status: Not Here
Join Date: May 2010
Location: South Williamsport, PA, Elverson, PA and Luray, VA
Member`s Gallery
Posts: 2,719
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WinXP, flash scan v2, v8 updated The original file (new tcm) gives me no prndl or vin, limp mode regardless of file. Wiring etc is good to go (swapped in a known good tcm after fixing a boatload of wiring, it fixed the problem)
Sent from my flashscan v2
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06-15-2016, 07:53 AM
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#6
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Name: will24
Title: That guy
Status: Not Here
Join Date: May 2010
Location: South Williamsport, PA, Elverson, PA and Luray, VA
Member`s Gallery
Posts: 2,719
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I'm just not sure what I'm missing, there's a base tune on the TCM, I've tried a full flash with the original cal and OS, a modified version of the new OS and cal (parameters set). There's just something dumb I'm missing
Sent from my flashscan v2
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06-15-2016, 11:17 AM
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#7
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Name: Stingpuller
Title: Too Much Time
Status: Not Here
Join Date: Feb 2007
Location: central Ohio
Member`s Gallery
Posts: 1,166
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A50
Did it work when the dealer flashed the file after you installed the new TCM? I have never had a problem. What are you trying to flash in the new TCM?
__________________
2007 GMC C4500 Regency Western Hauler and 235" POWERFLOW Dragster, Powerflow exhaust, 80mm Fleece turbo, Fleece injectors, On Track Auto front mount CP3, SoCal Diesel, Hughes powerglide, PTC converter, Nytrex nitrous,Isspro,FueLabs, Mike's Race Wiring, New Era Diesel, Hamilton Cam and all the guys at the shop
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06-15-2016, 11:22 AM
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#8
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Name: Ackerdiesel
Title: Too Much Time
Status: Not Here
Join Date: Nov 2010
Location: Western KY
Member`s Gallery
Posts: 1,086
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Quote:
Originally Posted by Stingpuller
Did it work when the dealer flashed the file after you installed the new TCM? I have never had a problem. What are you trying to flash in the new TCM?
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Didn't work on initial dealer flash. He flashed it with just the proper VIN and still no comm. missed the base file from TCM with parameters from old TCM and no function. I wrote a TCM file based off of a good functioning C4500 still no worky but he can swap TCM and flash in the right vin and it works fine. I'm chocking up he got a bad TCM
Ryan
__________________
04.5 2500 CR Built by Cruel Intentions Diesel with the help of:
D&J Precision Machine
S&S Diesel Motorsports
BD Diesel Performance
Diesel Performance Converters
Pro Street Diesel
Drivelines Plus
Done Right Diesel Performance
Firepunk
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06-15-2016, 07:33 PM
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#9
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Name: Stingpuller
Title: Too Much Time
Status: Not Here
Join Date: Feb 2007
Location: central Ohio
Member`s Gallery
Posts: 1,166
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If he can't flash it I would think it has to be bad.
__________________
2007 GMC C4500 Regency Western Hauler and 235" POWERFLOW Dragster, Powerflow exhaust, 80mm Fleece turbo, Fleece injectors, On Track Auto front mount CP3, SoCal Diesel, Hughes powerglide, PTC converter, Nytrex nitrous,Isspro,FueLabs, Mike's Race Wiring, New Era Diesel, Hamilton Cam and all the guys at the shop
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