Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
P0102
The ECM detects that the MAF Sensor Signal is less than 1, 500 Hz (2. 33 g/s) for greater than 10 s.
P0103
The ECM detects that the MAF Sensor Signal is greater than 14, 500 Hz (946. 4 g/s) for greater than 10 s.