Possible causes
– Faulty ISC Solenoid
– ISC Solenoid harness is open or shorted
– ISC Solenoid circuit poor electrical connection
– ISC Solenoid harness is open or shorted
– ISC Solenoid circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1512 SUBARU OBD Code Description
Idle Speed Control (ISC) Solenoid