Mechanics

CHEVY SPEEDOMETER

2005 Chevrolet Avalanche

Electrical problem
2005 Chevy Avalanche V8 Two Wheel Drive Automatic 113000 miles

MT SPEEDOMETER SHOWS FROM 80 TO 120 WHILE SITTING STILL. THIS AFTER USING THE CRUISE CONTROL. WHAT COULD CAUSE THIS?
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MDYKE
March 5, 2010.



Have the vehicle speed sensor (VSS) checked. If it is good, then there is a good chance the cluster itself may be bad.

Let me know what you find.