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ODB System Fault

MrG

MrG

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Lake Tulloch Ca
Hey I have had this Fault off & on over the years. It pops up and then gos away. The boat runs fine. Any clues on what I should do.
The boat is a 2012 2575 QCW with a Merc 350 HO Mag.
 

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MrG said:
Hey I have had this Fault off & on over the years. It pops up and then gos away. The boat runs fine. Any clues on what I should do.
The boat is a 2012 2575 QCW with a Merc 350 HO Mag.
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My Mercruiser had the same message. OBD. On Board Diagnostic. It's similar to a check engine light in your car. My mechanic at the time had a scanning tool that read the stored code. The code determined that the electrical system/alternator wasn't working properly. He then reset the system and I never received the message again ......
 
Just a guess! Have you unhooked negative battery cable when it's throwing the code ? You probably do for the winter and then it throws the code again?
 
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