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Old 12-15-2013, 05:03 PM   #51
dblwizard
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Join Date: Dec 2013
Location: Conifer, Colorado
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Re: Service 4X4 on screen 2005 Chevy Tahoe

Quote:
Originally Posted by j cAT View Post
if you have service 4wd light on then you have a code with this. possible that GM on star can only retrieve engine codes not drivetrain codes.
Yep, 0327. Going to replace the Encoder Motor first as the one on there has a lifetime warranty and its not really that difficult a job. Next I'll start looking at the wiring harness. Any thoughts on where I could get one specific for the 2006? Because of all the "intermittent" issues I've had with this that is where my guess is the problem really is. I'd like to check continuity on those wires.

Thanks

dbl
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