P1033 Cadillac Nitrogen Oxides Sensor Signal Too Low

P1033 Cadillac Nitrogen Oxides Sensor Signal Too Low

Possible causes
– Faulty nitrogen oxides (NOx) sensor
– Nitrogen oxides (NOx) sensor harness is open or shorted
– Nitrogen oxides (NOx) sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1033 Cadillac Description

Nitrogen oxides (NOx) sensor – signal too low

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