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clark
04-08-2017, 10:09 PM
Had my boat in the water then had a voltage issue and had to take it to the dealership for service. Got it back and now the water temp shows -99. Wondering if there is a breaker that controls it. Anyone know for sure?

corvette8189
04-08-2017, 11:41 PM
was it this code? if so what did they fix.
https://forum.moomba.com/showthread.php?29107-Diagnostic-message-help

clark
04-09-2017, 08:40 AM
No. My error was low voltage. It was a bad alternator

k2davis1
06-01-2018, 01:13 PM
I just had the exact same problem on my 2018. How did you fix your water temp?

2018MojoPro
04-21-2019, 02:15 PM
Anyone figure this one out? My 18 Mojo water temp is stuck on 136

kt_405
04-24-2019, 11:50 PM
Im also looking for this answer, for a 2017 Craz.


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c_stein09
04-25-2019, 01:59 PM
My helix had a water temp stuck at 136. Took it to the dealership and they said it was a faulty sending unit.

larry_arizona
04-26-2019, 06:42 AM
Seems like a simple warranty fix


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wake26
04-26-2019, 09:02 AM
Mine read -50 on my Supra SR. Had to put a sending unit in it. I just had the dealer send me a new one under warranty, it was simple to install. It fixed the problem but a month later my whole dash went out and was also replaced under warranty.