Possible causes -Fuel leak-Fuel filter-Transfer pump flow-High pressure fuel pump-Leaking fuel injectors or connectors-Leaking pressure limiting valve-Fuel control actuator-Fuel pressure sensor-Restriction in fuel return lines-Cascade overflow valve-Air in the fuel system. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1012 JEEP OBD Code Description P1012 Code is set the Engine Control Module…