Dodge P1555 Electronic Variable Orifice Output Description OBD-II Trouble Code Description for P1555 Dodge Electronic Variable Orifice Output OBD-II Trouble Code Description for P1555 Dodge Idle Co-Potentiometer Open/Short VAG OBD-II Trouble Code Description for P1555 Dodge Charge Pressure Upper Limit exceeded OBD-II Trouble Code Description for P1555 Dodge System relay Faulty signal or signal