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Author Topic: Need help with causes of error codes on 2016 CVO RGU  (Read 635 times)

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Alex_2104

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Need help with causes of error codes on 2016 CVO RGU
« on: August 26, 2025, 08:01:24 AM »

 Hello everyone!

I recently bought a 2016 CVO Road Glide Ultra with 24,000 miles. However, during my first rides, the check engine light and the engine overheat indicator came on. I noticed that the indicators appear as soon as the engine warms up and the RPM drops to 900–1000. I connected a diahnostic tool (Twin Scan 4), and it detected the following error codes:


I checked the fuses and wiring — everything is fine, with no visible damage on the harnesses or connectors. I replaced the oxygen sensors and the engine temperature sensor, but there was no result. Now I’m thinking of replacing the ECT sensor.
Our local HD service is very busy, and the earliest appointment available is only in mid-September. I’d really like to figure everything out on my own. I’d appreciate any ideas or advice from the CVO gurus.
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Tractor Bubba

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    • CVO1: ‘23 FLTRXSE Road Glide - Whiskey Neat
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Re: Need help with causes of error codes on 2016 CVO RGU
« Reply #1 on: August 26, 2025, 03:43:08 PM »

Wow!  Your local Harley-Davidson dealer can’t get you in for basically a MONTH?
Dealers I’ve dealt with over the years could always “work-in” a repair job - they could push-back another exhaust install a couple hours or so…
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Alex_2104

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Re: Need help with causes of error codes on 2016 CVO RGU
« Reply #2 on: August 27, 2025, 05:17:30 AM »

Wow!  Your local Harley-Davidson dealer can’t get you in for basically a MONTH?
Dealers I’ve dealt with over the years could always “work-in” a repair job - they could push-back another exhaust install a couple hours or so…

The local shop can only squeeze in four bikes at once. They’re much happier bolting on performance kits, doing tunes, and installing LED lights — chasing down gremlins in old Harleys isn’t exactly their idea of fun.
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