Action Taken When the DTC Sets
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.
- DTCs P0120, P0220, and P2135 are Type A DTCs.
- The control module commands the TAC system to operate in the Reduced Engine Power mode.