Conditions for Running the DTC

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

P040B and P041B

DTC P262B is not set
System voltage is greater than 11 V
Engine OFF for greater than 8 h
The DTCs run continuously when the above conditions are met.

P040C, P040D, P040E, P041C, P041D, and P041E

System voltage is greater than 11 V
The engine is cranking or running
The EGR temperature sensor is commanded ON
The DTCs run continuously when the above conditions are met.