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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1655 (Engine Control System & Fuel System - Hybrid (Hp2) 6.0L (LZ1) - DTC P1380 To DTC P3449) >> DTC P2271 or P2273 >> Conditions for Setting the DTC >> P2273

Conditions for Setting the DTC: P2273

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 does not detect an HO2S voltage less than 100 mV before the accumulated mass air flow exceeds 76 grams.

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