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.
P245A
The ECM detects an open circuit in the control circuit.
P245B
The ECM detects that the intake air temperature is higher than maximum allowed value.
P245C
The ECM detects a short to ground in the control circuit.
P245D
The ECM detects a short to voltage in the control circuit.