4wd keeps going into 4h then 4l amd wont go into 2h replaced trafesfer controle module dont know what to do

[Mikeryan]

I have a 2010 4 by 4 Silverado that says Service 4 wheel drive and won't come out of 4hi and 4lo replace the transfer module underneath the dash but still no luck help please

[carnau]

On 6/27/2019 at 2:17 PM, Mikeryan said:

I have a 2010 4 by 4 Silverado that says Service 4 wheel drive and won't come out of 4hi and 4lo replace the transfer module underneath the dash but still no luck help please

Do you know what codes are in it?

[swathdiver]

On 6/27/2019 at 2:17 PM, Mikeryan said:

I have a 2010 4 by 4 Silverado that says Service 4 wheel drive and won't come out of 4hi and 4lo replace the transfer module underneath the dash but still no luck help please

You probably need to have the module programmed or reset.  A bi-directional scan tool can handle the reset, the Tech-2 is the tool you or the dealer will use to program the module (can also reset).