Dodge P1437 A/C Evaporator Temperature Circuit High Input Description OBD-II Trouble Code Description for P1437 Dodge A/C Evaporator Temperature Circuit High Input PSA OBD-II Trouble Code Description for P1437 Dodge A/C Evaporator air temperature circuit High VAG OBD-II Trouble Code Description for P1437 Dodge Exhaust gas recirculation (EGR) valve/solenoid, bank 2 – short to positive