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Home >> Hummer >> 2006 >> H3 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.5L - DTC P0496 To DTC P2125 >> DTC P1682 >> Circuit Description
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Circuit Description

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 2 circuits, this DTC sets.