DTC 1155 4236 0 closed-loop gasoline bank 1 high check engine message

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  • WakeOnWater
    • Sep 2020
    • 1

    • Florida

    • 2017 Super Air Nautique G23

    DTC 1155 4236 0 closed-loop gasoline bank 1 high check engine message

    My 2017 Super Air Nautique G23 Coastal Edition had some water in the bilge area (pumps not functioning properly) seemingly caused some other challenges. The main one being (besides fixing the bilge issue) this DTC 1155 ... error. I discuss this with a SAN tech who suggested it might be the 02 sensors that took on moisture. Anyone else had a similar problem?
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