2008 chevy silverado will not go into 4wheel drive replaced switch,encoder moter on 2008 Chevrolet Silverado 2500 HD

and replacer transfer case control oduel i have check all the fuses i can find and are good

Asked by for the 2008 Chevrolet Silverado 2500 HD
1 answer
If you changed the control module, then it has to be programmed.