2018 Harley-Davidson Flhtcu problems, complaints & recalls
Most-reported problem areas: Power Train (1)
🧭 Reliability snapshot
Compared against other Harley-Davidson Flhtcu model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
Visibility 2019-08-05 · campaign 19V574000 · 12,733 vehicles
Defect: Harley-Davidson Motor Company (Harley-Davidson) is recalling certain Touring and CVO Touring motorcycles, including 2017-2019 FLHTCU, FLHTCUL, FLHTK ANV, FLHTKL, FLTRU, FLHTK, and 2016-2019 FLHTKSE, FLHTKSE ANV, and FLTRUSE models equipped with a Harley-Davidson Detachable Tour-Pak Luggage Conversion Kit (Part numbers 53000291, 53000291A, and 53000567). The kit did not include replacement rear red reflectors for the ones that are eliminated by installing this kit. As such, these motorcycles fa
Risk: Without the rear red reflectors, the motorcycle has reduced visibility to other drivers, increasing the risk of a crash.
Fix: Harley-Davidson has notified owners, and dealers will install the replacement reflectors, free of charge. The recall began August 19, 2019. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0629.
Power Train:clutch Assembly 2018-10-18 · campaign 18V734000 · 177,636 vehicles
Defect: Harley-Davidson Motor Company (Harley-Davidson) is recalling certain 2017-2018 Police Road King (FLHP), Road King (FLHR), Road King Special (FLHRXS), Electra Glide Ultra Classic (FLHTCU), Ultra Limited (FLHTK), Ultra Limited Low (FLHTKL), Ultra Limited Shrine (FLHTK SHRINE), Police Electra Glide (FLHTP), Street Glide (FLHX), Street Glide Special (FLHXS), Road Glide Ultra (FLTRU), Road Glide (FLTRX), Road Glide Special (FLTRXS), Freewheeler (FLRT), Tri Glide Ultra (FLHTCUTG), CVO Limited (FLHTKSE
Risk: If the clutch cannot be disengaged it can result in a loss of control, increasing the risk of a crash.
Fix: Harley-Davidson will notify owners, and dealers will install a new secondary clutch actuator piston assembly, free of charge. The recall began November 5, 2018. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0173.
Service bulletins (83)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-17 · M1490 · Service Bulletin/Repair Instructions
service bulletin m1490 (v 26.9.4): digital technician ii - updates and release notes. purpose: revision. this bulletin informs dealers that harley-davidson has made a software update to digital technician ii (dt ii). digital technician ii (part number: hd-48650). new software update. note: the tech
Unknown Or Other 2026-08-14 · M1733 · Service Bulletin/Repair Instructions
service bulletin m1733: cosmetic cylinder staining (all milwaukee-eight models). purpose: initial release. this bulletin informs dealers that cosmetic staining or etching on the inside of the cylinder bore does not have an impact on engine performance, oil consumption, or overall functionality. this
Wheels 2026-07-25 · M1490 · Service Bulletin/Repair Instructions
service bulletin m1490 (v 26.8.3): digital technician ii - updates and release notes. purpose: revision. this bulletin informs dealers that harley-davidson has made a software update to digital technician ii (dt ii). digital technician ii (part number: hd-48650). version version 26.8.3, release dat
Fuel/Propulsion System 2026-06-11 · M1490 · Service Bulletin/Repair Instructions
service bulletin m1490 (v 26.7.3): digital technician ii - updates and release notes. purpose: revision. this bulletin informs dealers that harley-davidson has made a software update to digital technician ii (dt ii). digital technician ii (part number: hd-48650). version 26.7.3. release date:• week
Vehicle Speed Control 2026-04-24 · M1490 · Service Bulletin/Repair Instructions
service bulletin m1490 (v 26.6.2): digital technician ii - updates and release notes. purpose: revision. this bulletin informs dealers that harley-davidson has made a software update to digital technician ii (dt ii). digital technician ii (part number: hd-48650). version 26.6.2. release date: week
Vehicle Speed Control 2026-03-31 · M1490 · Service Bulletin/Repair Instructions
service bulletin m1490 (v 26.5.2): digital technician ii - updates and release notes. purpose: revision. this bulletin informs dealers that harley-davidson has made a software update to digital technician ii (dt ii). digital technician ii (part number: hd-48650). version 26.5.2 release date: week of
Showing the 6 most recent of 83 bulletins. Search all of them free at nhtsa.gov.
What owners report
2022-06-29 · Power Train · 17,000 mi“the contact owns a 2018 harley-davidson flhtcu. the contact stated that upon starting the motorcycle, the clutch released independently without warning. due to the failure, the contact was forcefully jerked backwards while on the motorcycle. the motorcycle was taken to a dealer by trailer and the contact was informed that fluid in the secondary clu…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.