P2059 Cadillac O2 Sensor Signal Circuit Signal Voltage Too High
Possible causes
– Faulty O2 Sensor
– O2 Sensor harness open or shorted
– O2 Sensor circuit poor electrical connection
– O2 Sensor harness open or shorted
– O2 Sensor circuit poor electrical connection
What about the obd code?
The ECM has detected a plausibility fault with the O2 sensor signal
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