Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P2120, P2122, P2123, P2125, P2127, P2128, and P2138 are Type A DTCs.
- The ECM commands the TAC system to operate in Reduced Engine Power mode.