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Home >> Chevrolet >> 2000 >> Impala V6-3.8L VIN K >> Repair and Diagnosis >> Cruise Control >> Cruise Control Module >> Description and Operation >> Vehicle Speed Sensor

Vehicle Speed Sensor

The Vehicle Speed Sensor (VSS) is mounted to the automatic transaxle. The VSS provides a low voltage Alternating Current (AC) signal to the Powertrain Control Module (PCM). The PCM converts the AC signal to a pulse width modulated Direct Current (DC) signal. The DC signal is sent to the cruise control module at a rate of 4,000 pulses per mile.