Conditions for Setting the DTC: P2227
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 ECM detects that the BARO pressure is less than 50 kPa or greater than 115 kPa.
- The ECM detects that the BARO pressure changed greater than 10 kPa within 20 seconds.
- The ECM detects that the BARO pressure changed greater than 30 kPa since the last ignition cycle, and is greater than +/-2 kPa of the value predicted by the controller. The condition exists within 5 seconds of engine start up.
- Any of the conditions above exist for greater than 1 second or for a cumulative of 10 seconds.