🚗 AutoDefect IQ

2004 Harley-Davidson Flhtcui problems, complaints & recalls

Most-reported problem areas: Suspension (1) · Service Brakes, Hydraulic:foundation Components:disc:caliper (1) · Service Brakes, Hydraulic (1)

🧭 Reliability snapshot

100 /100
✓ Typical or better for this model

Compared against other Harley-Davidson Flhtcui model years — complaint volume vs the model's median year, recalls and severity. How we score →

4
Complaints
0
Recalls
6
Service bulletins
1
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (6)

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 2025-08-16 · M1684 · Service Bulletin/Repair Instructions

service bulletin m1684: market specific battery introduction. purpose: initial release. this bulletin informs dealers of the availability of new batteries for new original equipment (oe) vehicle production and in the parts and accessories (p&a) catalog. availability of the new absorbed glass mat (ag

Unknown Or Other 2024-09-12 · M1555 · Warranty Program/Extension

service bulletin m1555 (rev e): battery warranty guidelines. purpose: revision e. added: added procedures for the dca-8000 e battery tester.* updated: all sections. this bulletin informs the dealership network that harley-davidson has provided guidelines for battery warranty.

Unknown Or Other 2024-08-08 · M1490 · Service Bulletin/Repair Instructions

service bulletin m1490 (v 24.8.8): digital technician ii - updates and release notes. purpose: 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 24.8.8. release date: week of august 5

Unknown Or Other 2024-07-10 · PAB1158 · Service Bulletin/Repair Instructions

genuine motor parts and motor accessories bulletin pab1158: oil filter packaging and case quantity update. purpose: to inform dealerships that harley-davidson has made updates to oil filters including new part numbers, packaging design, and bulk case quantity changes.

Unknown Or Other 2024-05-01 · M1490 · Service Bulletin/Repair Instructions

service bulletin m1490 (v 24.6.4): 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). version 24.6.4. release date: week

Exterior Lighting 2023-12-21 · PAB1146 · Service Bulletin/Repair Instructions

genuine motor parts and motor accessories bulletin pab1146: 68193-95 bulb wedge, fender tip lamp. purpose: to inform dealers of an issue with the bulb wire terminals not being to specification. the light bulbs were used in numerous front and rear fender tip light assemblies for domestic and internat

What owners report

2018-03-28 · Service Brakes · 2,187 mi · 💥 crash

“i was riding on city highway. stopped at a intersection traffic signal when the traffic signal turned green i began to a speed of 30mph in a 40mph zone i notice the motorcycle started to lose speed at this time i pulled into the bicycle lane of the highway to be out of the line of traffic an at that second the front brakes an tire locked up putting…”

2010-07-17 · Service Brakes, Hydraulic · 18,000 mi

“on my 2004 ultra classic harley,which i owned since it was new. the front master cylinder lever slow went down over the years until the lever is down to the handle grip. i've bled the front brake and nothing, check the pads little less then half ! so i'm think the master cylinder is a defect. *tr…”

2008-11-04 · Suspension · 5,000 mi

“wobble at rear wheel of motorcycle... occurs when in a long, sweeping curve (either direction) at highway speeds. *tr…”

2007-11-09 · Service Brakes, Hydraulic:foundation Components:disc:caliper · 1,200 mi

“failure of the front brake system. over time pistons in caliper stick or freeze up. this causes the front brake lever to come all the back to the throttle grip. in some cases reducing braking efficiency by 50%. dealership was aware of this problem and on 4 separate cases broke the pistons loose to allow normal braking. i am a police motorcycle inst…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Harley-Davidson Flhtcui years