Jack Klarich
18000+ Posts
Good deal
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My winter riding buddy has an early 2017 TG M8. Not sure what code he has gotten but two times he has been in higher elevations (once in SD and once in TN) he has gotten them. Dealer he went to said not to worry about it just to keep on riding and see what happens!
This is an update on my friends 2018 TriGlide that was throwing codes when he went up in altitude, usually above 7,000'. It stopped doing it!! He's still waiting for the new download from H-D, but for now it's not throwing anymore codes. Over time the codes were thrown less and less and the light stayed on for less and less time the more times it happened. No one seems to know why except that maybe it's "learning" better? Anyway, wanted to let you know what's been going on with this problem. I still have not had any codes thrown at altitude on my M8, so that's a good thing.
A friend of mine just bought a 2018 TriGlide and now both times he's ridden it up into the mountains, it's throwing an ECM code. He talked to one dealership and they said it is a known problem with altitude and the ECM. The trike is set so lean that the rear cylinder isn't running right (?). Not positive on all the particulars, but he keeps getting the same code show up. They said they're pretty sure he'd be fine to just ride it, but he's worried about getting stuck up in the mountains and needing it towed if it stops running.
Has anyone else heard about or experienced this problem?
Side note: I bought my new 2018 the same week from the same dealership and have not had the problem....yet.
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