Conditions for Running 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.

DTC P0016, P0112, P0113, P0117, P0118, P0335, P0336, P0340, P0341, P0480, P0483, P0526, P2228, or P2229 is not set.
The engine is operating for greater than 10 s.
The engine speed is greater than 1, 181 RPM.
The engine OFF time after the previous ignition cycle was greater than 0 s.
The ambient air temperature (AAT) is warmer than -40°C (-40°F).
The BARO is greater than 55 kPa.
The ECM commanded fan duty cycle is less than 45 %.
DTC P0495 runs continuously when the conditions above exist.