Diagnostic Aids
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.
After starting a cold engine, the following scan tool parameter value should rise steadily and then stabilize: ECT Sensor /IAT Sensor /Ambient Air Temperature Sensor
High resistance in the circuits of the component may set DTC P111E without setting the DTC for the component: ECT Sensor /IAT Sensor /Ambient Air Temperature Sensor