Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the affected HO2S heater low control circuit is not within a specified range.
- DTCs P0031, P0032, P0037, and P0037 set within 3 seconds when the above condition is met.