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.
P227BCondition 1
The following parameters are not within 15 kPa (2. 2 PSI) of each other:
- BARO Sensor 1
- BARO Sensor 2
- MAP Sensor
Condition 2
BARO Sensor 2 50 to 115 kPa (7. 3 to 16. 7 PSI)
P227C
BARO Sensor 2 = Less than 1. 8 V - For greater than 5 s
P227D
BARO Sensor 2 = Greater than 4. 5 V - For greater than 5 s
P227E
BARO Sensor 2 = Signal noisy or erratic - For greater than 5 s