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Home >> Chevrolet >> 2005 >> Malibu Maxx >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Control System - 2.2L (L61) - DTC P0449 To DTC P2120) >> Diagnosis >> DTC P1682 >> Circuit Description

Circuit Description

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The Throttle Actuator Control (TAC) System uses an ignition voltage supply separate from the powertrain control module (PCM) supply. If the PCM detects a voltage difference between the two circuits, DTC 1682 will set.

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