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2015 Yamaha 242 limited S problem

Mech4niq

Active Member
Messages
2
Reaction score
1
Points
40
Boat Make
Yamaha
Year
2015
Boat Model
Limited S
Boat Length
24
Hello forum members. Hoping for some advice after scouring the forums and coming up empty handed.
My 2015 242 Limited S is showing CAN1 and CAN4 errors on the CONNEXT display. Morover, with the House switch ON, the starboard tach keeps performing the sweep test every 2 seconds while the port tach is not moving at all. I tested the batteries and found the House battery bad so I replaced both for good measure, cleaning all of the connection in the process. The problem remained. I then started checking fuses and connections at the helm, the battery compartment and the engine bay. Everything is bone dry and corrosion free. I disconnected the transducer to see if it could be causing a problem and the errors remain. Any ideas?
I should add that a lightning struck a tree right next to the boat sitting on the trailer a week ago. This is the first time since then that I tried to start the boat.
 
Also the port engine runs rough and will not throttle at all.
 
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