Conditions for Setting the DTCs
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.
P0096
- The ECM determines the absolute difference between the IAT sensor 1 start-up temperature and the IAT sensor 2 start-up temperature is greater than 25°C (45°F).
AND
- The absolute difference between the ECT start-up temperature and the IAT sensor 2 start-up temperature is greater than the absolute difference between the ECT start-up temperature and the IAT sensor 1 start-up temperature.
P0111
- The ECM determines the absolute difference between the IAT sensor 1 start-up temperature and the IAT sensor 2 start-up temperature is greater than 25°C (45°F).
AND
- The absolute difference between the ECT start-up temperature and the IAT sensor 1 start-up temperature is greater than the absolute difference between the ECT start-up temperature and the IAT sensor 2 start-up temperature.