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Home >> Isuzu >> 2003 >> Ascender 5.3 P, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Description And Operation - 5.3L >> Description and Operation >> Throttle Actuator Control (TAC) System Description >> Powertrain Control Module

Powertrain Control Module

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