The lights on the button selector are lit but when I push 4 high or low it stays in 2 high. Any ideas what to check? thanks
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2000 GMC Yukon Question: If i push my 4 wheel drive button it won't change. It stays in 2 high. Why?
Answer #1milesauto from Miles Auto Service Inc., March 26, 2012, 05:32Master
Cannot be nothing other than a guess in this forum. Recommend you get it to a good honest technician on that one. Here are some the things that are possibly causing problem. Not a extremly tought diagnosis for many techs.
Axle Actuator Ground
Front Axle Actuator Power
Front Axle Actuator Wiring
Transfer Case Control Module (TCCM)
Transfer Case Control Module (TCCM) Connector