Mercury specific DTC OBD2 code: P1731 1-2 Shift Malfunction
Mercury specific DTC OBD2 code: P1729 4×4 Low Switch Error
Mercury specific DTC OBD2 code: P1728 Transmission Slip Error
Mercury specific DTC OBD2 code: P1727 Coast Clutch Solenoid Inductive Signature Malfunction
Mercury specific DTC OBD2 code: P1726 Insufficient Engine Speed Decrease During Self Test
Mercury specific DTC OBD2 code: P1725 Insufficient Engine Speed Increase During Self Test
Mercury specific DTC OBD2 code: P1724 Gear 4 Incorrect Ratio
Mercury specific DTC OBD2 code: P1723 Gear 3 incorrect Ratio
Mercury specific DTC OBD2 code: P1722 Gear 2 Incorrect Ratio
Mercury specific DTC OBD2 code: P1721 Gear 1 Incorrect Ratio