2004 GMC Enovy 4wd not working

By achilliesx2
March 1, 2014 in Ask A GM Technician

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achilliesx2

Posted March 1, 2014

i just bought a 2004 gmc envoy. It is a V6 with 4wd the only thing is that the 4wd doesnt work. Paid $4500.00 for it

codes that pop up are C0306 - Motor A or B curcuit malfunction. C0321 - Transfer Case lock curcuit malfunction. and C0327 - Encoder curcuit malfunction.

gmtech4

Posted March 2, 2014

Do you have scanner ?

Do you have a service manual ?

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