Tahoe 4WD V8-393 6.5L DSL Turbo VIN S (1995)
Vehicle Speed Sensor Signal Buffer: Description and Operation
Speed Sensor Buffer
VSS Buffer Module
DESCRIPTION
The vehicle speed signal buffer module (VSS buffer module) is an electronic device. The VSS buffer module processes inputs from the vehicle
speed sensor and outputs Various signals. The VSS buffer module outputs a 40 pulse per revolution (PPR) signal. This 40 PPR signal is used by
the control module to determine transmission output speed. The VSS buffer module also outputs a 2002 pulses per mile signal to the control
module to control various other functions. The VSS buffer module is matched to the vehicle based on transmission, final drive ratio and tire size.