Conditions for Running the DTC

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

Before the ECM can report DTC P2270 or P2272 failed, DTCs P0036, P0037, P0038, P0056, P0057, P0058, P137, P0138, P0140, P0141, P0157, P0158, P0160, P0161, P0342, P0343, P0367, P0368, P0366, P0443, P0451, P0452, P0453, P0458, and P0459 must run and pass.
The engine is operating.
The rear heated oxygen sensors are at operating temperature for more than 10 seconds.
The long term fuel control is enabled.
The mass air flow (MAF) sensor is more than 10 g/s.
DTC P2270 and P2272 runs continuously once the above conditions are met.