One problem related to other fuel system fuel gauge has been reported for the 2005 GMC C4500. The most recently reported issues are listed below.
Unfixable front end vibration. Vibration is severe 8-12 mhz @ . 27g's. Over 10 attempts to fix with no results. 4 sets of tires, drag link, panhard bar, 4 turbo down pipes, front rotors and hubs, may other components. Whole body vibration , arm-hand vibration for over 3,000 hrs in one year.