Conditions for Running the DTC: P2271

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128, P013A, P013B, P013E, P013F, P0171, P0172, P0201, P0202, P0203, P0204, P0220, P0222, P0223, P0300, P0411, P0412, P0418, P1174, P1516, P2101, P2119, P2135, P2176, P2270 are not set.
The system voltage is between 10-18 V.
The fuel level is more than 10 percent.
Engine run time is equal to or more than 40 seconds.
The learned HO2S heater resistance is valid.
The engine speed is 1,250-1,950 RPM.
The MAF parameter is 3-12 gps.
The vehicle speed is 55-120 kph (34.2-74.6 mph).
The short term fuel trim is 0.9-1.07.
The fueling state is in Closed Loop.
The EVAP is not in control of purge.
The ethanol estimation is not active.
Power take-off is not active.
The EGR diagnostic is not intrusive.
The HO2S heaters have been on more than 120 seconds.
The predicted catalyst temperature is 650-900°C (1,202-1,652°F).
DTCs P013A, P013E, and P2270 have run and passed.
THEN
DFCO is active.
The APP is stable.
The TCC is locked.
This DTC runs once per trip.