Possible causes
– Faulty Short Runner Valve
– Short Runner Valve harness is open or shorted
– Short Runner Valve circuit poor electrical connection
– Short Runner Valve harness is open or shorted
– Short Runner Valve circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1288 JEEP OBD Code Description
Wide open throttle condition-short runner valve not in commanded state