P2227 GMC Barometric Pressure Sensor Range/Performance Problem
Possible causes
– Engine Control Module (ECM) outdated or incorrect software
– Faulty Engine Control Module (ECM)
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine rough idle
– Engine hesitation
– Engine rough idle
– Engine hesitation
P2227 GMC Description
The Barometric Pressure (BARO) sensor is inside the Engine Control Module (ECM). The BARO sensor converts the atmospheric pressure into voltage signal that the ECM uses to modify the basic duration of he fuel injection discharge
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,