Conditions for Running the DTC

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P2108 or U0107 are not set.
The ignition switch is in the Crank or Run position.
The ignition voltage is more than 5.23 volts.
The TP sensor 1 signal voltage test runs continuously once the above conditions are met.
The throttle blade minimum position for the TP sensor 1 test runs once when the ignition is turned ON and the above conditions are met.
The 5-volt reference of the TP sensor 1 voltage test runs continuously once the above conditions are met.