Conditions for Setting the DTC: P2A03
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.
- The ECM detects that the Loop Status is open.
- The HO2S 1 voltage signal remains between 350-550 mV for more than 10 seconds.
- This diagnostic runs continuously.