Conditions For Setting DTC

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The engine coolant temperature is less than 161°F (72°C).
The air temperature is more than 19°F (-7°C).
The engine has been operating for more than 22 minutes (1320 seconds).
The fuel burned since start up is more than 12 million mm³ .