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 TAC module detects the commanded and the actual throttle positions are not within a calibrated range of each other.
OR
- The TAC module or the PCM can not determine the throttle position.