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Re: 2000 GMC 1500 4x4 (4x4 light on )
Hi john, yes there is an module reflash, have done 2 in the last 3 weeks, todays even woke up a sleeping module had a U1000, no communication, Was going to replace it but thought what the heck... Came back online and all fine. Other one would not select 4hi/aw... Login to read more. ![]()
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