Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
- The HO2S 1 heater current is more than 3.5 amps.
- The HO2S 1 heater is commanded OFF.
- The condition exists for more than 0.3 seconds.