Ford P1490 OBD-II Trouble Code Definition: P1490 Low Speed Fan CTRL Relay Circuit P1490 Ford OBD-II Trouble CodeDescription: Chrysler OBD Trouble Code P1490 Low Speed Fan CTRL Relay Circuit Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code P1490 Secondary Air Relief Solenoid Circuit Malfunction Sorry no other information,Please help us […]