DTC 3104 error and multiple faults of the Fuel Pump Relay

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  • grommetposse
    • Jul 2020
    • 3

    • California

    • 2019 Nautique G23

    DTC 3104 error and multiple faults of the Fuel Pump Relay

    Hello Planet Nautique forum.

    Hoping to get some guidance on this particular DTC 3104 error code and how it might relate to another issue. We have had to replace the Fuel Pump Relay four times over the last couple of years. Yes, that is correct, we have had to replace the fuel pump relay on four separate occasions. 2019 G23 with only 72 hours. The first time the fuel pump relay went down it took A LOT of research on this forum to debug and now I am back with this new error and wondering if the DTC warning might be related to the relays going bad so many times (?). At this point, I keep extra relays on-board as we have had it go bad at launch as well as when out on the lake after turning the engine off.

    Going to the dealer is a 250 mile drive, therefore trying to fix this issue without having to drive it in during Summer.

    Based upon reviewing other posts for the DTC 3104 error, I definitely plan on checking the harness connection from the high speed fuel pump to the female connector.
    Question for the forum; is there anything else I should consider as a cause of this/these faults?

    Thank you all in advance for any guidance.
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