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Home >> Buick >> 1994 >> LeSabre Custom >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Description & Operation >> Powertrain Control Module (Pcm)
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Powertrain Control Module (Pcm)

PCM is located behind right side of instrument panel, next to relay center. PCM receives inputs from the cruise control switch, throttle position sensor, brake release switches, vehicle speed sensor and cruise control servo position sensor. Based on input from these sensors, PCM controls vent and vacuum solenoid valves in servo.