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Home >> Chevrolet >> 2004 >> Malibu Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System (Introduction) - 3.5L (Lx9)) >> Description and Operation >> Throttle Actuator Control (TAC) System Description >> Powertrain Control Module

Powertrain Control Module

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The PCM determines the drivers intent and then calculates the appropriate throttle response. This information is sent to the TAC module through a dedicated serial data line.