P0580 GMC Speed Control Switch 1 Circuit Low
Possible causes
– Faulty Cruise Control Multifunction Switch
– Cruise Control Multifunction Switch harness is open or shorted
– Cruise Control Multifunction Switch circuit poor electrical connection
– Cruise Control Multifunction Switch harness is open or shorted
– Cruise Control Multifunction Switch circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Cruise control system inoperative
– Cruise control system inoperative
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,