Conditions for Setting the DTC: Notes
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
P0030
- The ECM detects that the HO2S 1 heater control circuit status is incorrect for more than 2 seconds.
- This diagnostic runs continuously.