I have a Dodge that I suspect the VSS is going bad on. The speedometer jumps around sometimes, and is frequently off by 10mph or more. I called Dodge and they suggested replacing the VSS as a ...

On your Toyota Raum a speedometer may fail due to a breakdown of the VSS Vehicle Speed sensor, VSS circuit or the instrument cluster which houses the speedometer.

The speedometer reading has to be corrected to reflect the change. Taller tires will cause the speedometer to indicate too slow a speed, and shorter tires will cause it to indicate too fast.

We give you the low down on how to do an electric speedometer conversion, showing you several different options from Speedway Motors, Auto Meter and more.