P0590 Cadillac Speed Control Multiplexed Switch Performance
Possible causes
– Faulty Speed Control Switch
– Speed Control Switch harness is open or shorted
– Speed Control Switch circuit poor electrical connection
– Speed Control Switch harness is open or shorted
– Speed Control Switch circuit poor electrical connection
What about the obd code?
The Steering Column Control Module (SCCM) has detected that the Speed Control Switch 2 is not operating correctly
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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