The clue is the radio volume though. The radio receives a signal from
the speed sensor so that it can vary the volume according to the
speed/engine noise. In the case of the OP, its extremely likely that the
VSS is the culprit,
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.