Conditions for Setting the DTC

P0102 

The ECM detects that the MAF Sensor signal parameter is less than 500 Hz (about 0.25 g/s) for at least 250 cylinder firing events.

P0103 

The ECM detects that the MAF Sensor signal parameter is at least 11, 000 Hz (about 328 g/s) for at least 250 cylinder firing events.