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 calculated internal resistance of the HO2S is more than 110 ohms for more than 90 seconds after an engine start.
OR
- The calculated internal resistance of the HO2S is more than 110 ohms for more than 15 seconds.
- The air/fuel ratio (A/F) sensor heater internal output voltage is 0.76 volt or more.
- The A/F sensor heater internal output voltage is 0.24 volt or less.