HUMMER H2 TROUBLE CODE

I Have A Code P0172 Come Up. Where Is This Located?

Hello. I Had My Hummer H2 -04 To Service And They Found Code P300 And U1000, It Is Problem With The Dash Panel, Non Of The Gaugers Is...

I Have A 03' Hummer H2 W/obdii Trouble Codes P0101, P0135, P0332 What Needs To Be Replaced Or Repaired? Want To Do It Myself