Code 24: Vehicle Speed Sensor

Code 24 will set if VSS indicates less than one MPH when engine speed is greater than normal idle RPM, MAP voltage is less than .5 volt and transaxle is not in Park or Neutral. Speed sensor is mounted transaxle housing.

Fig 1: Code 24 Schematic (Saturn) Vehicle Speed Sensor

Fig 2: Code 24 Flow Chart (Saturn) Vehicle Speed Sensor