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  1. H

    ==locked== stereo!! Please help!!

    So i have another problem with an 05 chev 2500hd thats in our shop. After the truck received a used ecm and bcm the stereo display reads "locked" and will not come on or do anything! How do you unlock the stereo????? Without having to go 200+km to the closest dealer. Any help would be great...
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    changed ecm, now wont start! HELP!!

    thanks for everyones help. we did the key cycles and the truck came to life(on the second try). this is a grate forum and will use it again when stuck with a problem. thanks once again! greg gt auto :hello:
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    changed ecm, now wont start! HELP!!

    so will this have to be done every time we start the truck, or just once only, then it will start normaly? after the truck is running and driving, will a scan tool (like our snapon scaner, or a gm dealer's tool) read the original truck vin, or the vin from the wrecking yards truck? cuz then it...
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    changed ecm, now wont start! HELP!!

    i just joined this forum for some help(sounds like smart people on here)! we are just a small repair shop and not to familular with the chev duramax. we had a guy towed in with an 05 chev 2500 crewcab, 6.6 lly ,auto. the ecm and other parts under the front right of the pickup were smashed. we...
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