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Joined: Feb 2002
Posts: 46,042 Likes: 231
Freak of Nature
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Freak of Nature
Joined: Feb 2002
Posts: 46,042 Likes: 231 |
I've never replaced a vehicle ECM but I'm thinking of doing so on a 2005 Buick LaCrosse that belongs to my son's girlfriend. The car is in overall great condition and has been diagnosed as dead ECM. I've researched some and found that a pre flashed unit based on the VIN number appears to be the way to go.
So, I need input from anybody who has done this. Am I going to need an expensive scan tool for whatever reason? I have a petty basic unit already. Any other info including if it's even worthwhile to do this. And FWIW, I can get an ECM with lifetime warranty for less than $300
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Joined: Nov 2002
Posts: 7,039 Likes: 5
14 point
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14 point
Joined: Nov 2002
Posts: 7,039 Likes: 5 |
If you always do what you've always done you always get what you've always got
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Joined: Sep 2007
Posts: 8,128 Likes: 11
14 point
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14 point
Joined: Sep 2007
Posts: 8,128 Likes: 11 |
I might be wrong but that should be plug and play easy peasy.
"In time of war, send me all the Alabamians you can get, but in time of peace, for Lord's sake, send them to somebody else." General Edward H. Plummer
"Blessed are those who, in the face of death, think only about the front sight." Jeff Cooper
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Joined: Feb 2002
Posts: 46,042 Likes: 231
Freak of Nature
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Freak of Nature
Joined: Feb 2002
Posts: 46,042 Likes: 231 |
And, yes, I have done my Youtube research. Just wondering if there's something that I could gain from personal experience on here.
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Joined: Oct 2008
Posts: 31,552 Likes: 130
Grumpy Old Man
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Grumpy Old Man
Joined: Oct 2008
Posts: 31,552 Likes: 130 |
I’ve replaced a TCM and it had to calibrated.
Luckily I have a friend with the necessary proprietary software which did that for me.
I hate making a good first impression. There’s no way I can keep that shit up.
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Joined: Jun 2020
Posts: 2,921 Likes: 32
10 point
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10 point
Joined: Jun 2020
Posts: 2,921 Likes: 32 |
If it’s pre flashed, it should be plug and play.
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Joined: Jan 2020
Posts: 586 Likes: 9
4 point
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4 point
Joined: Jan 2020
Posts: 586 Likes: 9 |
I replaced an Injector Control Module on my Excursion. Put it in, and fire it up.
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Joined: Oct 2013
Posts: 3,168 Likes: 6
10 point
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10 point
Joined: Oct 2013
Posts: 3,168 Likes: 6 |
A question I would have ask would the correct s/n # off the transmision need to be added while flashing?
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