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.
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. 0 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