Alero L4-144 2.4L DOHC VIN T SFI (2000)
Vehicle Speed Sensor: Description and Operation
The Vehicle Speed Sensor (VSS) is a permanent magnetic generator in the transaxle which sends an AC voltage signal to the PCM, which the PCM
converts to kilometers per hour (km/h) and miles per hour (MPH). There are several different types of vehicle speed sensors. Refer to A Diagnostic
Starting Point - Automatic Transmission in Transmission and Drivetrain.
