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Home >> Pontiac >> 2005 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 3.8L - Introduction) >> Description and Operation >> Throttle Actuator Control (TAC) System Description >> Powertrain Control Module (PCM)

Powertrain Control Module (PCM)

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

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