Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
P2227 Condition 1
The ECM detects that the BARO sensor pressure is less than 50 kPa (7. 3 PSI) or greater than 115 kPa (16. 7 PSI), for greater than 62. 5 ms.
P2227 Condition 2
The ECM detects that the BARO sensor pressure is not within range of the calculated pressure that is derived from a system of models for greater than 5 s.
DTC P2228
The ECM detects that the BARO sensor pressure is less than 50 kPa (7. 3 PSI) for greater than 5 s.
DTC P2229
The ECM detects that the BARO sensor pressure is greater than 115 kPa (16. 7 PSI) for greater than 5 s.
DTC P2230
The ECM detects that the BARO sensor pressure signal had an accumulated variation, over a 13 m sample period, of greater than 100 kPa (14. 5 PSI) for greater than 50 s.