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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 248 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - DTC P0010 To DTC P0230) >> DTC P0068 or P0121 >> Conditions for Setting the DTC >> P0121

Conditions for Setting the DTC: P0121

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

The predicted air flow and the predicted MAP combined are outside a calibrated range for more than 3 seconds.