dodge Workshop Repair Guides

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Instrument Panel, Gauges and Warning Indicators > < Vehicle Speed Sensor/Transducer - Cruise Control|Description and Operation
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Vehicle Speed Sensor/Transducer - Cruise Control: Description and Operation

The Vehicle Speed Sensor (VSS) is no longer used for any Dodge truck in the 1998 model year.

Vehicle speed and distance covered are measured by the Rear Wheel Speed Sensor. The sensor is mounted to the rear axle. A signal is sent from this
sensor to the Controller Antilock Brake (CAB) computer. A signal is then sent from the CAB to the Powertrain Control Module (PCM) to determine
vehicle speed and distance covered. The PCM will then determine strategies for speed control system operation.

For the location of the transmission output shaft sensor, please refer to Transmission Speed Sensor/Locations.  See: Powertrain
Management/Computers and Control Systems/Sensors and Switches - Computers and Control Systems/Vehicle Speed Sensor/Locations

For the location of the rear wheel speed sensor, please refer to Brakes and Traction Control/Brakes/Antilock Brake System/Wheel Speed
Sensor/Locations.
 See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Wheel Speed Sensor

Instrument Panel, Gauges and Warning Indicators > < Vehicle Speed Sensor/Transducer - Cruise Control|Description and Operation