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Discussion Starter #1
I have a GMC 07 Sierra Classic in stock form. I have a new glow plug control module. I am currently running on older failed module because I need to read the ecm and flash program to gpcm. When I install new gpcm, i get a check engine code because ecm and gpcm program don't match.
I am not interested in tunes or anything like that.
Just basic tool that resets codes and can flash.
 

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You are going to need a Tech II or similar device like an Autel MaxiDas. Both of which are not cheap.
Some of the China clone Tech II's that are cheaper work just fine. Do a forum post search for some China clone sources
 
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