2012 ROAD GLIDE ULTRA. ABS MODULE HAS GONE BAD AT 48000 MILES. THIS SEEMS TO BECOMING A COMMON PROBLEM. IT IS VERY EXPENSIVE TO REPLACE AND THE BRAKES DO NOT FUNCTION NOW. MOTORCYCLE IS NOT ROAD WORTH AND NOW PARKED.
2012 HARLEY-DAVIDSON FLHTCU103
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all FLHTCU103 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 14 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
15 reportsTL* THE CONTACT OWNS A 2012 HARLEY DAVIDSON FLHTCU. THE CONTACT STATED THAT WHILE DRIVING ABOUT 30 MPH, THE VEHICLE LOST BRAKE POWER WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE SAVANNAH HARLEY-DAVIDSON DEALER (912-925-0005, LOCATED AT 1 FORT ARGYLE RD, SAVANNAH, GA 31419) WHERE IT WAS DIAGNOSED THAT THE BRAKE MODEL NEEDED TO B…
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TL* THE CONTACT OWNS A 2012 HARLEY DAVIDSON FLHTCU. THE CONTACT STATED THAT WHILE DRIVING ABOUT 30 MPH, THE VEHICLE LOST BRAKE POWER WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE SAVANNAH HARLEY-DAVIDSON DEALER (912-925-0005, LOCATED AT 1 FORT ARGYLE RD, SAVANNAH, GA 31419) WHERE IT WAS DIAGNOSED THAT THE BRAKE MODEL NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. AND ISSUED A CASE NUMBER: 3936516. THE DEALER STATED THAT THE FAILURE WAS NOT COVERED BY THE WARRANTY. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 31,000.
TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON FLHTCU ELECTRA GLIDE ULTRA MOTORCYCLE. WHILE DRIVING VARIOUS SPEEDS, THE BRAKE PEDAL WAS APPLIED, BUT WAS STIFF AND DIFFICULT TO DEPRESS. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE LOCAL DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE F…
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TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON FLHTCU ELECTRA GLIDE ULTRA MOTORCYCLE. WHILE DRIVING VARIOUS SPEEDS, THE BRAKE PEDAL WAS APPLIED, BUT WAS STIFF AND DIFFICULT TO DEPRESS. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE LOCAL DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 14,172.
KICKSTAND SPRING BROKE CAUSING BIKE TO JUMP NINTO 180 DEGREE CRASH
START VEHICLE AND NO CHARGING. LESS THAN 12V ON DASH GAUGE. 2ND TIME IN TWO WEEKS THIS HAS HAPPENED. CHECK ENGINE AND BATTERY LIGHT COME ON. 3 MILES DOWN THE ROAD, AND VOLTAGE IS NOW 14V. CHECK ENGINE AND BATTERY LIGHT SWITCH OFF. SUSPECT A FAULTY VOLTAGE REGULATOR. HAD THIS HAPPEN ON THE 05 FLHTCU I OWNED PREVIOUSLY. $200+ FOR …
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START VEHICLE AND NO CHARGING. LESS THAN 12V ON DASH GAUGE. 2ND TIME IN TWO WEEKS THIS HAS HAPPENED. CHECK ENGINE AND BATTERY LIGHT COME ON. 3 MILES DOWN THE ROAD, AND VOLTAGE IS NOW 14V. CHECK ENGINE AND BATTERY LIGHT SWITCH OFF. SUSPECT A FAULTY VOLTAGE REGULATOR. HAD THIS HAPPEN ON THE 05 FLHTCU I OWNED PREVIOUSLY. $200+ FOR NEW VOLTAGE REGULATOR. WILL TROUBLESHOOT CHARGING CIRCUIT PRIOR TO BUYING NEW REGULATOR.
TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON ELECTRA GLIDE ULTRA FLHTCU. WHILE RIDING THE MOTORCYCLE, THE VOLTAGE FLUCTUATED AND THE MOTORCYCLE BEGAN TO SPUTTER. THE MOTORCYCLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT WAS INFORMED THAT THERE WAS A TECHNICAL SERVICE BULLETIN, WHICH H…
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TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON ELECTRA GLIDE ULTRA FLHTCU. WHILE RIDING THE MOTORCYCLE, THE VOLTAGE FLUCTUATED AND THE MOTORCYCLE BEGAN TO SPUTTER. THE MOTORCYCLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT WAS INFORMED THAT THERE WAS A TECHNICAL SERVICE BULLETIN, WHICH HAD EXPIRED. THE FAILURE MILEAGE WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON FLHTCU. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 70 MPH, THE REAR OF THE MOTORCYCLE STARTED TO WOBBLE. THE CONTACT DECREASED IN SPEED TO APPROXIMATELY 30 MPH WHEN THE FAILURE STOPPED. THE CONTACT DROVE THE MOTORCYCLE TO THE DEALER NO DIAGNOSIS WAS RENDERED. THE CONTACT ST…
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TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON FLHTCU. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 70 MPH, THE REAR OF THE MOTORCYCLE STARTED TO WOBBLE. THE CONTACT DECREASED IN SPEED TO APPROXIMATELY 30 MPH WHEN THE FAILURE STOPPED. THE CONTACT DROVE THE MOTORCYCLE TO THE DEALER NO DIAGNOSIS WAS RENDERED. THE CONTACT STATED THAT THE SAME FAILURE OCCURRED APPROXIMATELY THREE TIMES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE MOTORCYCLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 12,000.
ABS HYDRAULIC CONTROL UNIT (HCU) FAILURE. FRONT BRAKE LEVER AND REAR PEDAL LOCKED OUT. NO BRAKING ABAILITY. COMPONENT FAILURE MODE LEAVES VEHICLE WITH NO BRAKING ABILITY CAUSING ACCIDENT W/O FATALITY. HARLEY DAVIDSON MO CO NOTIFIED WITH NO RESPONSE. CONTACTED 800-258-2464.
TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON FLHTCU. WHILE DRIVING AT 5 MPH, THE CONTACT ATTEMPTED TO USE THE HORN OF THE MOTORCYCLE AND AN ABNORMAL NOISE EMITTED FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER STATED THAT THE HORN WAS NOT PROPERLY SEALED AND NEEDED TO BE REPLACED TO OPERATE IN A WORKING M…
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TL* THE CONTACT OWNS A 2012 HARLEY-DAVIDSON FLHTCU. WHILE DRIVING AT 5 MPH, THE CONTACT ATTEMPTED TO USE THE HORN OF THE MOTORCYCLE AND AN ABNORMAL NOISE EMITTED FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER STATED THAT THE HORN WAS NOT PROPERLY SEALED AND NEEDED TO BE REPLACED TO OPERATE IN A WORKING MANOR. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 45,000.
WHILE TAKING MY HARLEY DAVIDSON FOR A RIDE, ABOUT 30 MILES INTO THE RIDE, I NOTICED ABNORMAL SOUNDS COMING FROM MY FRONT WHEEL AREA. IT SOUNDED AS IF I HIT A ROCK, OR THAT MY TIRE WAS GOING FLAT. I SLOWED DOWN AND AS I PULLING INTO A GAS STATION, I COULD HEAR MORE NOISES AND FEEL VIBRATIONS. IT SOUNDED LIKE WORN BRAKE PADS. I PA…
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WHILE TAKING MY HARLEY DAVIDSON FOR A RIDE, ABOUT 30 MILES INTO THE RIDE, I NOTICED ABNORMAL SOUNDS COMING FROM MY FRONT WHEEL AREA. IT SOUNDED AS IF I HIT A ROCK, OR THAT MY TIRE WAS GOING FLAT. I SLOWED DOWN AND AS I PULLING INTO A GAS STATION, I COULD HEAR MORE NOISES AND FEEL VIBRATIONS. IT SOUNDED LIKE WORN BRAKE PADS. I PARKED THE BIKE AND GOT OFF TO INSPECT THE FRONT END. I NOTICED THAT THE RIGHT FRONT WHEEL BEARING SEAL HAD BEEN PUSHED OUTWARD, AND THE BEARING WERE EXPOSED, GREASE WAS ALL OVER THE WHEEL AS WELL. THE END RESULT, AFTER THE BIKE WAS TAKEN TO THE CLOSEST HARLEY DEALER, WAS THE RIGHT FRONT WHEEL BEARING HAD FAILED. THE DEALER REPLACED THE WHEEL WITH NEW BEARINGS AND IS NOW OPERATING NORMAL. THIS COULD HAVE BEEN A BAD SITUATION, IF IT HAD FAILED BEFORE I PULLED OVER. HARLEY DAVIDSON NEEDS TO ADDRESS THIS SAFETY CONCERN WITH THEIR BIKES. *JB
Official recalls
111V506000 · Exterior Lighting:brake Lights:switch
Oct 19, 2011
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.
Consequence & remedy
Consequence: 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.
Remedy: 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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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