P0594 Chevrolet Speed Control Servo Circuit
Possible causes
– Faulty Servo Motor
– Servo Motor harness is open or shorted
– Servo Motor circuit poor electrical connection
– Servo Motor harness is open or shorted
– Servo Motor circuit poor electrical connection
What about the obd code?
Open or shorted condition in the cruise control servo circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)