Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
P0102
The ECM detects that the MAF Sensor parameter is less than 1, 400 Hz or 1.0 g/s for greater than 1 minute.
P0103
The ECM detects that the MAF Sensor parameter is more than 14, 500 Hz or 1, 037.5 g/s for greater than 1 minute.