Conditions for Setting the DTC

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The ECM detects that the TP sensor 1 voltage is not between 0.2-0.9 volts during the throttle learn procedure.
OR
The ECM detects that the TP sensor 2 voltage is not between 4.2-4.8 volts during the throttle learn procedure.
OR
The minimum throttle position is not learned after an ECM replacement.
Any of the above conditions exist for greater than 4 seconds.