NHTSA Complaint #10238816 — 2004 CHEVROLET SILVERADO 2500

THE SPEEDOMETER IN MY 2004 CHEVROLET SILVERADO 2500 HAS BEGUN INTERMITTENTLY SHOWING SPEEDS THAT VARY WIDELY AND DO NOT INDICATE ACTUAL ROAD SPEED. THE SPEEDOMETER FAILS TO RETURN TO ZERO AT REST AND HAS SHOWN SPEEDS MORE THAN 40 MPH IN EXCESS OF ESTIMATED ACTUAL SPEED. THIS SEEMS TO BE A COMMON COMPLAINT, ALTHOUGH I HAVE NOT YET CONTACTED A DEALER OR GM. I BELIEVE THERE ARE TWO COMPONENTS TO THIS PROBLEM: 1) I CANNOT RELY ON THE SPEEDOMETER READING; 2) THIS COULD AFFECT THE MILES SHOWN ON THE ODOMETER OR AT LEAST CAST DOUBT ON THEIR VERACITY. THE TRUCK PRESENTLY HAS JUST UNDER 42,00 MILES ON IT AND HAS BEEN RELATIVELY FREE OF MAJOR DEFECTS OTHER THAN RECALL ITEMS. *TR