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JUST THE FACTS GM SC90 Ford SC37 Chrysler SC104 Toyota SC149 Honda SC136 Nissan SC160 StandardBrand com IntermotorImport com Vehicle Speed Sensors Vehicle Speed Sensor or Transmission Input Speed Sensor What does a Vehicle Speed Sensor do The Vehicle Speed sensor or VSS measures transmission transaxle output or wheel speed The ECM uses this information to modify engine functions such as ignition timing AF ratio transmission shift points and to initiate diagnostic routines Where are these sensors located The Vehicle Speed sensor is typically located at the transmission or transaxle Will a malfunctioning Vehicle Speed Sensor illuminate the check engine light or affect vehicle operation Yes a faulty sensor can illuminate the MIL and may cause numerous and varying drivability problems due to the number of tasks the sensor output is involved in What are the common causes of failure In addition to wear these sensors may have metal contamination gear damage or exposure to water intrusion depending where the connector is located How to determine if these sensors are malfunctioning The PCM monitors the VSS for component malfunctions as well as circuit problems The diagnostic codes range between P0500 and P0503 The VSS can be checked with a scan tool or undergo a resistance check What makes Standard Vehicle Speed Sensors the best As a basic manufacturer Standard has complete control of the manufacturing process from componentry to finished product for a trouble free product 100 environmental endurance and end of line testing for signal amplitude and polarity ensures consistent product reliability and performance ST10235SC FEB14
