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Seems like Limp Mode

Hellacool

Jet Boat Addict
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Boat Make
Yamaha
Year
2016
Boat Model
AR
Boat Length
24
So ran the boat today (2016 AR240) no issues. Got to the cove and anchored for a few hours. Went to start the port engine, it fired but immediately threw a code, cranked the starboard and it would not turn over. Switched to both batteries and it cranked for a while then started. Port engine had idle power only and starboard had enough to chug me home at 8MPH, no overheating codes or oil pressure codes and clean ports, no obstructions. I left the port engine in idle to avoid water intrusion. Code is Yamaha Diag 144 (low voltage mode) OBD Diag 52 1329 (cant find this one) So checked my batteries and they are pretty toast, they are on year 5 so I am not surprised. So question is, will dead batteries cause this behavior? Felt like boat was in some form of limp mode.
 

Seadeals

Jetboaters Captain
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Location
Greenville, South Carolina
Boat Make
Yamaha
Year
2006
Boat Model
SX
Boat Length
21
I vote YES.
 

Neutron

Jetboaters Admiral
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Location
New Bern, NC
Boat Make
Yamaha
Year
2016
Boat Model
AR
Boat Length
24
Batteries need replacing anyway so I would start there
 

Hellacool

Jet Boat Addict
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2016
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Boat Length
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Batteries need replacing anyway so I would start there
Yeah, will replace this weekend. Just wondering if anyone has seen this. I'll report back.
 

Neutron

Jetboaters Admiral
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Location
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Year
2016
Boat Model
AR
Boat Length
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We have seen low voltage cause all sort of issues, especially with connext boats
 

morgs_sa

Member
Messages
1
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Boat Make
Yamaha
Year
2018
Boat Model
AR
Boat Length
21
I have 2018 AR210 , and all summer I have been having an issue starting my boat. Sometimes one engine or both, won't turn over easily and I have to switch off, reboot and try again. However this past Labor day weekend, after we had finished tubing with the kids, I tried to restart the engines to head back to the dock, and the same Error message YDIS code 144 (low voltage mode) OBDS Code 52 1329 come up on both engines. At full throttle, could only get the boat up to 2600rpm and limped back to the dock at about 5 mph. I haven't had any issues with my batteries before ( 3 yrs old) and I have always kept them charged during the winter. Did changing out your batteries work? Did the issue go away? By any chance do you not think it is the Stator, as it seems to be fine at the start of the day, and after running the boat for a few hours than seems to have the issues of restarting and than ultimately throwing the error message YDIS code 144 (low voltage mode) OBDS Code 52 1329?
 
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