Spyder check engine light comes on after a hot day

[Jbuffalo]

After a hot 91 degree day and a 60 mile run at the end of a 300 mile trip the check engine light came on. I turned it off and it went away-it does not come on now. The first leg of the round trip was 300 miles but cool and nothing happened on the way down. This was on the way back and it was hot. Bike was just serviced by a good dealer. Bike 2009, Spyder gs, 5000 miles. I keep thinking about what I have read about hoses and leaks thinking that the heat may have caused a hose to leak. thanks Jim

[IdahoMtnSpyder]

After a hot 91 degree day and a 60 mile run at the end of a 300 mile trip the check engine light came on. I turned it off and it went away-it does not come on now. The first leg of the round trip was 300 miles but cool and nothing happened on the way down. This was on the way back and it was hot. Bike was just serviced by a good dealer. Bike 2009, Spyder gs, 5000 miles. I keep thinking about what I have read about hoses and leaks thinking that the heat may have caused a hose to leak. thanks Jim

What temp was your temp gauge showing? Was the sun shining bright? How soon after you stopped did the engine light come on?

The temp under the plastic between the front fender and frunk rises rapidly under bright sun and from engine heat when you stop. That's where the temp sensor is located. At 120° F you get a check engine light. I'm surprised you got it with 91° ambient. I had it happen on my 2013 RT when ambient was about 105°.

[Jbuffalo]

It was direct sunlight and the temp gauge was not high. It came on when I stopped in my driveway at the end of the trip.

[spyderCodes]

When the check engine light comes on it is a good idea to see what codes, if any, the system is generating.
On most models pressing SET-MODE-TURN SIGNAL CANCEL will display all the active codes.

[lousd1]

This has happened to me several times, even at Temps in the mid 80's F. I assume it is due to the dark color (Black Currant). I have seen it as high as 135 F. Obviously that is inaccurate. I usually drive it a bit and it cools down. I have to shut down to reset the computer. Since I know it happens I generally try to park in the shade when possible.

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[Gray Ghost]

I have seen it as high as 135 F. Obviously that is inaccurate.

That reading is not the outside temperature, it is measured near the air intake. When the bike is shut down you no longer have air flow to move that hot air under the plastic and the coolant isn't moving so it will heat up quite a bit under there.

[billybovine]

It would be nice to know the fault code. So if it happens again do the following while the check engine light is still on.

• With ignition switch on (or engine running) press MODE button repeatedly until "engine hours" (total hours) shows on display.
• Press and hold MODE button while pushing the "flash high beams" button five times within 2 seconds.
• If there are no active faults "No Active Fault Code" will be displayed.
• If there is an active fault, an alphanumeric code will be displayed.
• If there is more than one active code, you may press MODE to cycle through them.