Conditions for Running the DTC

WARNING: This page is about a different variant/trim than selected.

Before the ECM can report DTC P2243 or P2247 failed, DTCs P0030, P0031, P0032, P0050, P0051, and P0052 must run and pass.
The internal HO2S sensing element resistance is more than 570 ohms.
The HO2S heater is at operating temperature.
DTC P2243 and P2247 run continuously once the above conditions are met.