Dodge P1549 Intake Manifold Temperature Valve Vacuum Actuator Connection Description OBD-II Trouble Code Description for P1549 Dodge Intake Manifold Temperature Valve Vacuum Actuator Connection PSA OBD-II Trouble Code Description for P1549 Dodge IMCC circuit malfunction Bank B VAG OBD-II Trouble Code Description for P1549 Dodge Boost Pressure Contr.Valve Short to Ground