2004 Chevrolet Silverado 1500 Q&A

2004 Chevrolet Silverado 1500 Question: 2004 chevy z71 my truck wants to run in auto 4wheelndrive all the time!

I try to put it in 2 hi but it will iick outbof gear and does the same thing in 4 low.my dash said service transfercase once but no codes.Is it supposed to run in the 4 wheel automatic mode? If not what would be the problem? -
Answer 1
4x4 system can be scan tested with a full function scanner! Have a mechanic check it for codes and actual functions with such scanner. Too many possibilities to gess at it. -