P0589 Buick Speed Control Switch 2 Performance Condition
Possible causes
– Open or short cruise control switch circuit
– Poor cruise control switch electrical connection
– Faulty cruise control switch
– Poor cruise control switch electrical connection
– Faulty cruise control switch
What about the obd code?
Cruise control switch out of range
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera