P0593 Speed Control Switch 2 Circuit High
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 ECM has detected that the speed control switch 2 is above minimum voltage range
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)