Right at 40K on my 2016 Tri-Glide the fault light and temp indicator both came on. I made it home with no issues where I let it cool down overnight. Took it out the next day with the Dyna Jet module hooked up. Both fault lights came on at 235 degrees and the temp kept going up. Ordered the M8 upgraded water pump from Surdyke and had a local independent shop install the thing. Rode it home in 104 degree heat and the temp never got above 215. Happy camper!