New reman computer problem

BoostedSUV

Active member
Re: New reman computer problem

I'll add to the confusion, my OE ECM does not have that pin however my reman unit does :dunno:

Also I can not find "7749" on my believed to be OE unit either. Then again all the tags are gone off of it. The only numbers are under the EPROM cover.
 

syclownz

New member
Re: New reman computer problem

I emailed gmpartsdirect and am waiting to hear back from them. May take a few days. Sucks that they don't have a phone #.
 
Re: New reman computer problem

I emailed gmpartsdirect and am waiting to hear back from them. May take a few days. Sucks that they don't have a phone #.


GMpartsdirect.com is just the parts dept for a GM dealer in NC, IIRC. They have a number. You just have to know what dealership you're looking for.

edit: Flow Chevrolet in Winston-Salem, NC http://www.flowgmautocenter.com/

Flow Automotive
1400 S.Stratford Rd, Winston-Salem ,
1205 Bridford Pkwy,Greensboro
1945 Skibo Rd,Fayetteville, NC
Phone: 888-550-FLOW or 336-760-7000
that took all of about 5 minutes to find.

What exactly are you expecting to hear from them? Thats the correct ECM for your truck.
 
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syclownz

New member
Re: New reman computer problem

I do believe I received the correct ecm but I also believe it is bad. Maybe they can walk me through some ways to check it... or something.

Not expecting a refund (although that would be nice) but a swap with a good unit if in fact mine is bad.
 

syclownz

New member
Re: New reman computer problem

I get an email back from gmpartsdirect and they say a local dealership WILL warranty the ecm. So I go to the dealership and they can't help me. I call gmpartsdirect (thanks for the phone number, midnightblus10) and then they tell me I need to have the ecm programmed. Boy, do I feel stupid. I didn't know but now I do. It's going to cost $105.xx
 

wildphil

I Love My Ty's
Re: New reman computer problem

I get an email back from gmpartsdirect and they say a local dealership WILL warranty the ecm. So I go to the dealership and they can't help me. I call gmpartsdirect (thanks for the phone number, midnightblus10) and then they tell me I need to have the ecm programmed. Boy, do I feel stupid. I didn't know but now I do. It's going to cost $105.xx

You are kidding! On the computers for our trucks the programming is in the chip. You should be able to just put your chip in it and go. If it is a good unit.
 

syclownz

New member
Re: New reman computer problem

You are kidding! On the computers for our trucks the programming is in the chip. You should be able to just put your chip in it and go. If it is a good unit.

That's what I was thinking. Put it in and go but the instructions on how to open the ecm say they do not come with a new chip just the unit. The guy at gm says I should have gotten one.

Does anybody know how the dealership goes about programming the new ecm? Do I need to have my truck there? The reason I ask is because of all the mods it has done to it. They said they program it to stock emissions settings. I don't see how they will be able to do that if my truck isn't stock.
 

wildphil

I Love My Ty's
Re: New reman computer problem

That's what I was thinking. Put it in and go but the instructions on how to open the ecm say they do not come with a new chip just the unit. The guy at gm says I should have gotten one.

Does anybody know how the dealership goes about programming the new ecm? Do I need to have my truck there? The reason I ask is because of all the mods it has done to it. They said they program it to stock emissions settings. I don't see how they will be able to do that if my truck isn't stock.


You reuse your chip that was in your old computer in the new computer. Be careful not to plug the chip in flipped over. It will plug in either way. But it will not run at all or not right if you get it in wrong.

If the dealer is telling you that they need to reprogram your computer. Then don't take your truck to them. Because they don't have a clue what they are doing.

Do you have anyone that is experienced in these trucks that lives near you that can look at it for you?


I just saw that in your first post that you use a ultimate. All you need to do is plug your ultimate into your new computer just like it was plugged into your old one. The programming is already in the ultimate chip. I am not familiar with the ultimate. But it may have a adapter to also plug your stock chip piggyback on the computer. The stock chip is the one that is easy to get flipped over. But I don't know if the ultimate has this or not.

Please post pics of your stuff and someone will be able to help you.
 
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syclownz

New member
Re: New reman computer problem

Do you have anyone that is experienced in these trucks that lives near you that can look at it for you?

Not sure. I was going to ask for someone on the board to see if they offer that kind of service. Personally, I'd rather not deal with the stealership. I think I may even need a new stock chip to rule it out as a suspect. I'd also like to get rid of the Ultimate setup that I have because I think that is going out as well but that is another story.
 

syclownz

New member
Re: New reman computer problem

I just saw that in your first post that you use a ultimate. All you need to do is plug your ultimate into your new computer just like it was plugged into your old one. The programming is already in the ultimate chip. I am not familiar with the ultimate. But it may have a adapter to also plug your stock chip piggyback on the computer. The stock chip is the one that is easy to get flipped over. But I don't know if the ultimate has this or not.

I did this and still ran in limp mode. I made sure the Ultimate was in properly. I never payed attention but I was told that the stock chip is piggy-backed on the Ultimate.
 

wildphil

I Love My Ty's
Re: New reman computer problem

What was your reason in buying a new computer? What was the original issue?

I would probably next find another SyTy to put your new computer in to make sure it is Ok. I would also test your old one to make sure it is bad.

After you know it is OK. Then test your stock chip the same way.
 

syclownz

New member
Re: New reman computer problem

The old ecm kept throwing a code 42 even after replacing the ignition module. Jumpy tach needle while driving and some other stuff I can't remember right now. I replaced all the grounds and even rewired the ignition module to the ecm. Problems still occurred.

Borrowed my good friends ecm and problems went away.
 
Re: New reman computer problem

That's what I was thinking. Put it in and go but the instructions on how to open the ecm say they do not come with a new chip just the unit. The guy at gm says I should have gotten one.

Does anybody know how the dealership goes about programming the new ecm? Do I need to have my truck there? The reason I ask is because of all the mods it has done to it. They said they program it to stock emissions settings. I don't see how they will be able to do that if my truck isn't stock.


The ecm/chip doesn't care what modifications you have. It will take any program you load into it.
 

BoostedSUV

Active member
Re: New reman computer problem

I call BS on needing the ECM "programed.". The program is in your chip not in the ECM, if I'm wrong that's new news to me. :dunno:
 
Re: New reman computer problem

I call BS on needing the ECM "programed.". The program is in your chip not in the ECM, if I'm wrong that's new news to me. :dunno:

I'd bet the tech hasn't been in the business long, and all he knows is programming the ecm, like on newer model vehicles
 

syclownz

New member
Re: New reman computer problem

Is the dealership the only place I can go to get the ecm programmed if in fact that is what I need?
 
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