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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 274 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P1682: Driver 5 - Line 2 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The Electronic Throttle Control (ETC) system uses an ignition voltage supply separate from the Engine Control Module (ECM) supply. If ECM detects a voltage difference between the 2 circuits, this DTC will set.

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