Dodge P1299 Vacuum Leak Found (IAC Fully Seated) Description Chrysler OBD-II Trouble Code Description for P1299 Dodge Vacuum Leak Found (IAC Fully Seated) OBD-II Trouble Code Description for P1299 Dodge Cylinder Head Temperature Sensor Detected Engine Overheating Condition PSA OBD-II Trouble Code Description for P1299 Dodge Cylinder head overtemperature protection active VAG OBD-II Trouble Code Description for P1299 Dodge Fuel metering solenoid – circuit malfunction