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Old 07-30-2009, 11:10 PM   #1 (permalink)
WIMarine84
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LLY Computer Reprogram

I would like to know if anybody would be willing to reprogram my ECM for the LLY conversion I did on my truck. I have a VIN number that matches my truck's equipment. Currently the ECM programming has no AC, radio locks out 2/3 times I start it, and my fuel gauge does not work. I just do not have a programmer that can do this. If there is anybody out there who would be willing to help me out? I live in Southern California, just south of Camp Pendleton. Thanks in advance.
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Old 07-30-2009, 11:56 PM   #2 (permalink)
briano
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a programmer can't do this... as far as I know.. only a Tech II can do it which is found at the dealer. there they scan it, look for updates, and reprogram it.

do you not have the LLY computer with the engine??
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Old 07-31-2009, 12:00 AM   #3 (permalink)
way_out_there
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Have you spoken to RickDLance at all?

He put an LLY into an original LB7 truck. There was a thread on here about it. He can probably best tell you what needs to be done.
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Old 08-03-2009, 03:14 AM   #4 (permalink)
WIMarine84
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RickDLance

Ricks guide is what I followed to do my work, along with much help from him. I need to have the 05 LLY ecm that I purchased reprogrammed to the C2500 Extended Cab Short bed 2wd LS package that my 2003 is. Otherwise not all my electronics work correctly. I have found a 2005 vin here that matches my equipment. My only question is, if I have a dealer reprogram my ECM to that vin, wont that show up in the GM dealership network under the service history? After all, I dont want to mess with somebody else's VIN/warranty by having the dealer reprogram mine to that number with my trucks mileage and have them enter that into the system. Make sense? That is why i need help from somebody out there.
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Old 08-03-2009, 07:31 AM   #5 (permalink)
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you might have to find a wreaked truck vin. or someone that has over 100000 miles thats out of warranty, mine is the LT but maybe someone closer
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