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Home >> Chevrolet >> 2001 >> Corvette V8-5.7L VIN G >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Powertrain Control Module (PCM) Description >> PCM Function
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PCM Function

The PCM supplies a buffered voltage to various sensors and switches. The PCM controls most components with solid state switches which complete a ground circuit when turned ON.
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