4 wd

Hello, I've recently bought a 2004 LT tahoe. When I turn it on, often times the transmission switch displays a new transmission setting- in example, I'm usually in 2wd. When I turn the truck on it will set in 4h, Auto 4wd, 4L. I replaced the TCCM, which helped one problem- I wasnt able to shift...

Hello, :waytogo: first I want to introduce myself shortly. I'm Uli from Berlin, germany. That also explains my bad english .... I hope you understand me.....:( I lived as a teenager ( ca. 1976-78 ) in Illinois, Thornton (Chicago suburban area) where I also made my driver's license and baught...