P2227 Cadillac 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– Engine Control Module (ECM) outdated or incorrect software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 Cadillac 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
Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX