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.
P0102
The ECM detects the MAF Sensor signal is less than 1, 126 Hz or 0.5 g/s for greater than 5 s.
P0103
The ECM detects the MAF Sensor signal is greater than 14, 500 Hz or 1, 065 g/s for greater than 5 s.