Conditions for Setting the DTC
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
The ECM detects that the actual measured values from the MAF sensor, MAP sensor, and TP sensor is not within the range of the calculated values for V4 mode.