Vehicle Speed Sensor
WARNING: This page is about a different car, the 2002 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Vehicle speed sensor is also referred to as a RPM sensor.
To test Vehicle Speed Sensor (VSS), see VSS related DTC(s) for VEHICLE SPEED SENSOR under DIAGNOSTIC TROUBLE CODE DEFINITIONS in appropriate SELF-DIAGNOSTICS article.