AutoDefect IQ

2010 Harley-Davidson Flhx problems, complaints & recalls

Most-reported problem areas: Service Brakes (12) · Vehicle Speed Control (4) · Engine (2)

🧭 Reliability snapshot

70 /100
⚠ Buy with caution

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

🛣️ Complaints by mileage

<25k miles: 13 complaints 13 <25k 25–50k miles: 8 complaints 25–50k 50–75k miles: 1 complaints 50–75k 75–100k miles: 0 complaints 75–100k 100–125k miles: 0 complaints 100–125k 125–150k miles: 0 complaints 125–150k 150k+ miles: 0 complaints 150k+

22 NHTSA complaints that reported an odometer reading.

24
Complaints
2
Recalls
21
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (2)

Service Brakes, Hydraulic:antilock/Traction Control/Electronic Limited Slip 2018-01-29 · campaign 18V076000 · 174,636 vehicles

Defect: Harley-Davidson Motor Company (Harley-Davidson) is recalling all 2008-2011 Touring, CVO Touring and VSRC motorcycles equipped with anti-lock brakes (ABS), including Road King (FLHR), Road King Police (EFI) (FLHP), Road King Police (EFI) (FLHPE), Electra Glide Standard Police (EFI) (FLHTP), Electra Glide Classic (EFI) (FLHTC), Electra Glide Ultra Classic (EFI) (FLHTCU) and Street Glide (EFI) (FLHX), 2008 VROD (VRSCAWA), CVO Road King 4 (FLHRSE4), Night Rod (VRSCDA), CVO Ultra Classic 3 (FLHTCUSE3

Risk: These deposits may cause a valve within the ABS Hydraulic Control Unit to stick, reducing braking ability and increasing the risk of a crash.

Fix: Harley-Davidson will notify owners, and dealers will flush the entire brake system with new Platinum Label DOT 4 brake fluid, free of charge. The recall began on February 14, 2018. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0171.

Exterior Lighting:brake Lights:switch 2011-10-19 · campaign 11V506000 · 250,757 vehicles

Defect: HARLEY-DAVIDSON IS RECALLING CERTAIN MODEL YEAR 2009-2012 TOURING, CVO TOURING AND TRIKE VEHICLES MANUFACTURED FROM JUNE 6, 2008, THROUGH SEPTEMBER 16, 2011. SEE THE ABOVE LIST FOR THE MODELS INCLUDED IN THE RECALL. THE REAR BRAKE LIGHT SWITCH MAY BE EXPOSED TO EXCESSIVE HEAT FROM THE EXHAUST SYSTEM.

Risk: THE EXCESSIVE HEAT MAY CAUSE THE SWITCH TO NOT ACTIVATE THE BRAKE LAMP OR ACTIVATE THE BRAKE LAMP WHEN NO BRAKE IS APPLIED AND/OR CAUSE A BRAKE FLUID LEAK AT THE BRAKE LIGHT SWITCH, AFFECTING REAR BRAKE PERFORMANCE. EITHER CONDITION MAY INCREASE THE RISK OF A CRASH.

Fix: HARLEY-DAVIDSON WILL NOTIFY OWNERS, AND DEALERS WILL A INSTALL A REAR BRAKE LIGHT SWITCH KIT, FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING OCTOBER 31, 2011. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-343-4056.

Service bulletins (21)

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 2025-11-18 · M1490 · Service Bulletin/Repair Instructions

service bulletin m1490 (v 26.0.2): 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). new software update version 26.0.2.

Unknown Or Other 2025-10-28 · M1391A · Service Bulletin/Repair Instructions

service bulletin m1391a (revu): midtronics grx-3110 and dca-8000 software. purporse: revision u. the purpose of this bulletin is to inform the dealer network that a software update to the grx-3110 and dca-8000 is now available. dynamic diagnostic charger system (part number: dca-8000). [rev u] ad

Unknown Or Other 2025-10-25 · PAB1171 · Service Bulletin/Repair Instructions

genuine motor parts and accessories bulletin pab1171 (rev b): software update for screamin eagle pro street tuner. purpose: revision b. updated: summary. the app has returned to the apple app store. this bulletin informs dealers that a recent software update to the screamin' eagle pro street tune

Unknown Or Other 2025-09-06 · M1490 · Service Bulletin/Repair Instructions

service bulletin m1490 (v 25.8.9): 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 version 25.8.9

Unknown Or Other 2025-08-26 · M1490 · Service Bulletin/Repair Instructions

service bulletin m1490 (v 25.8.7): 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 version 25.6.4,

Unknown Or Other 2025-08-26 · M1391A · Service Bulletin/Repair Instructions

service bulletin m1391a (rev t): midtronics grx-3110 and dca-8000 software. purporse: revision t. the purpose of this bulletin is to inform the dealer network that a software update to the grx-3110 and dca-8000 is now available. dynamic diagnostic charger system (part number: dca-8000). [rev t] u

Showing the 6 most recent of 21 bulletins. Search all of them free at nhtsa.gov.

What owners report

2024-09-02 · Service Brakes

“front brakes do not work. i can not operate brake lever will not pull in, brakes have been service to manufacture recommendations, rear brakes work, the front brake has failed in abs unit and failed not working.…”

2020-12-09 · Fuel/Propulsion System · 22,002 mi

“the throttle by wire connector hooks in behind the breather. due to the hard turn of the connector going into the plug it bends the wires resulting in them breaking over time. this causes the motorcycle to lose throttle and go into limp mode causing me to very closely come to getting run over on the highway. it happened multiple times on the highwa…”

2019-06-11 · Service Brakes · 18,000 mi

“tl* the contact owns a 2010 harley-davidson street glide (flhx). the contact stated that after the brake fluid was purged, the brake light illuminated. the vehicle was taken to bumpus harley-davidson of jackson (326 carriage house drive, jackson, tn 38305, (731) 248-0091) where it was determined that the brake fluid needed to be changed every two y…”

2018-10-30 · Service Brakes · 23,000 mi

“tl* the contact owns a 2010 harley- davidson flhx. the contact stated that while driving 40 mph, the abs system failed without warning. the contact stated that the rear brakes failed to operate. the contact stated that the front brakes was engaged to get the motorcycle to come to a complete stop. the vehicle was not taken to a dealer or independent…”

2018-08-28 · Vehicle Speed Control · 30,000 mi

“tl* the contact owns a 2010 harley-davidson flhx. the contact stated that the throttle control actuator/induction module fractured internally on two occasions. the contact stated that the component was not structurally sound. in addition, while making a left turn, the part failed again and had to be replaced. an unknown dealer replaced the part twi…”

2018-06-15 · Service Brakes · 24,000 mi

“harley davidson has issued a recall for the brake fluid on select touring models of which i own. unfortunately their inferior brake fluide caused my front brakes to lock up and become unusable, the abs hydraulic control module failed due to the brake fluid. in an attempt to repair the issue, i ordered a new hydraulic module. harley davidson refu…”

2018-05-09 · Service Brakes · 16,000 mi

“harley davidson has done a volunteer recall on the abs brake system only offering to replace brake fluid. unfortunately due to type of brake fluid used the problem has caused the abs hydraulic control unit (hcu) to fail and lock up resulting in loss of brakes front or back or both. this results in loss of stopping ability and safe operation. har…”

2017-07-31 · Service Brakes · 67,606 mi

“i was out riding stopped to get gas turned the bike off filled up started the bike back up went to pull out onto the street and had no rear brakes the pedal was locked in the up position and hard a rock i could not depress it.i rode back home with only the front brakes working i did some research and found that this is a common problem in my year m…”

2017-06-30 · Service Brakes · 42,000 mi

“i was riding my motorcycle and went to hit the front brake lever to slow down in interstate traffic when i could not pull my front brake lever. i had to remove my feet from the highway pegs quickly to hit the back brake pedal to keep from hitting the car in front of me. my owners manual states that if abs goes out on bike that the brakes will conti…”

2016-11-20 · Service Brakes · 1 mi

“my 2010 harley davidson street glide lost rear brakes without warning pedal became hard as if it was stuck luckily i was traveling at a low speed. it's currently at a harley dealer and they tell me it's the abs brake module and it needs to be replaced. if that isn't enough they tell me the part is on back order which tells me this is a common issue…”

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

Other Harley-Davidson Flhx years