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Username Post: 2005 Chevy Colorado ECM problem, need help!        (Topic#365825)
gldidr 
Newbie
Posts: 1

Reg: 07-16-21
07-16-21 04:28 PM - Post#2823335    

We need help and don't know how to proceed. 2005 Chevy Colorado Vortec 3500 3.5L five-cylinder Crew Cab Z71. It is a great truck with low mileage. My wife was driving and lost power. Diagnosed by Chevy as bad ECM.

Chevy says they cannot find a replacement, I guess in their system. Says cannot use salvage yard.

I Ordered one from fs1incdotcom programmed with our VIN, but I was not able to get it to work. Key cycling procedure was never recognized. Put my original ECM back in and at least it started. The Dealer said it was not trustworthy to drive, that the problem would get worse.

Chevy dealer says it could order one from a site like that above, but would not guarantee the work. So if it did not work we are out of luck. The part is guaranteed but we cannot just throw away service charges if it does not work.

Fixed income and it is our only vehicle.

Suggestions or part sources would be greatly appreciated.

Sorry for long post.



 




paulo57509 
Senior Member
Posts: 510

Loc: CA
Reg: 07-18-00
07-17-21 11:28 AM - Post#2823372    
    In response to gldidr

  • gldidr Said:
We need help and don't know how to proceed. 2005 Chevy Colorado Vortec 3500 3.5L five-cylinder Crew Cab Z71. It is a great truck with low mileage. My wife was driving and lost power. Diagnosed by Chevy as bad ECM.

Chevy says they cannot find a replacement, I guess in their system. Says cannot use salvage yard.

I Ordered one from fs1incdotcom programmed with our VIN, but I was not able to get it to work. Key cycling procedure was never recognized. Put my original ECM back in and at least it started. The Dealer said it was not trustworthy to drive, that the problem would get worse.

Chevy dealer says it could order one from a site like that above, but would not guarantee the work. So if it did not work we are out of luck. The part is guaranteed but we cannot just throw away service charges if it does not work.

Fixed income and it is our only vehicle.

Suggestions or part sources would be greatly appreciated.

Sorry for long post.



There are places that will diagnose, repair and test your ECU and return them to you. I don't know of any specific trustworthy company, though.

Do you have a GM part number? You can look here to see if anything shows up:

https://www.rearcounter.com/



1987 IROC-Z 5.0L
1992 Lumina Euro 3.1L
2003 GMC Safari


 
gchemist 
Member #271 Senior Chevytalk Moderator
Posts: 25480
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
07-18-21 05:20 AM - Post#2823415    
    In response to paulo57509

Welcome to the site. I've ordered an ECM for my Ram 2000 from that site. It has worked great. No more hot stalling issues.
What does Flagship say? Mine was guaranteed for life. I would send it back for a replacement or testing.

Here is another place to test your original one.
https://www.g7computers.com/

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles
'08 GMC Acadia 3.6L SLE


 




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