Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
P2227Condition 1
BARO & Calculated BARO=Not within 15 kPa (2.2 PSI) of each other.
Condition 2
BARO & Calculated BARO=Not within 20 kPa (3.0 PSI) of each other.
P2228
BARO =Less than 2 V& - For greater than 5 s
P2229
BARO =Greater than 4.5 V& - For greater than 5 s
P2230
BARO =Signal noisy or erratic& - For greater than 5 s