Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Cadillac DTS. 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 10 Hz for more than 5 seconds.
P0103
The ECM detects that the MAF Sensor parameter is more than 14,500 Hz for more than 5 seconds.