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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1649 (Engine Control System & Fuel System - Hybrid (Hp2) 6.0L (LZ1) - DTC P0010 To DTC P0308) >> DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 >> Conditions for Setting the DTC >> P0123

Conditions for Setting the DTC: P0123

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The ECM detects that the throttle position sensor 1 voltage is greater than 4.75 V for greater than 1 s.