Ford P1722 OBD-II Trouble Code Definition: P1722 Control Relay – Abnormal P1722 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1722 Control Relay – Abnormal Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. PSA OBD Trouble Code P1722 Gear 2 Incorrect ratio Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. Subaru […]