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 HO2S 1 parameter is more than 700 mV and the HO2S 2 parameter is less than 399 mV for 10 seconds.
- DTC P1137 sets within 10 seconds when the above conditions are met.