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#1
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1999 Sierra "service 4WD" message
I just had my truck serviced when this message first appeared on the console. Since the service, the message continues to appear, but no one seems to know how to make it stop. Any ideas?
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#2
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change your 4x4 modual and get it reprogramed...should fix it up mine did it too but only when engaging the 4x4 and the light would go off as soon as the key was off and no code would show up when gm would check it. also the truck was crow hopping(back wheels were working against front wheels)
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