Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 GMC Yukon XL, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The system voltage is greater than 11 volts at -40° C (-40° F) TFT or 12 volts at 150° C (302° F) TFT.
The engine must be running more than 275 RPM for at least 7 seconds.
The PC solenoid is commanded on.