Conditions for Running the DTC

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

The engine is operating.
The ignition voltage is greater than 10 volts.
The HO2S 2 is warmed up for greater than 30 seconds.
The HO2S 2 heater command is stable.
DTCs P2232 and P2235 run continuously when the conditions above exist for greater than 10 seconds.