While driving this motorcycle, after about going three to four miles, I released the throttle and the motorcycle would accelerate, and not slow down. I forced the bike to stop by down shifting it and pulled into a parking lot and the engine would not slow down without turning the ignition switch off. I started the bike up a few minutes later , and had to shut it off on the way back home more than once to keep it from accelerating again, the engine would idle between 2400 and 3100 RPM's. It did the same thing for the next two days so I took it back to the dealer where I bought the bike. The day I took the bike to the dealer it was hard to start and would not keep running. I called harley davidsons customer service, 800‑258‑2464 and talked to john who told me how to run a diagnostic test to check for fault (trouble codes ) and I retrieved a code # po507 which is a high engine idle, idle speed control motor. I feel this is a safety hazard because the bike will not decelerate when the throttle is released.
The worst 2012 Harley-Davidson FXDC problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Brakes1
- Engine1
- Lights1
- Transmission1
- Wheels1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Brakes1
- Engine1
- Lights1
- Transmission1
- Wheels1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2012 Harley-Davidson FXDC 18
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Digital technician II - updates and release notes
- Midtronics GRX-3110 and DCA-8000 software
- Genuine motor parts and accessories bulletin PAB1171 (rev b): software update for screamin eagle pro...
- Digital technician II - updates and release notes
- Midtronics GRX-3110 and DCA-8000 software
- Digital technician II - updates and release notes
- Market specific battery introduction
- Milwaukee eight and twin cam camshaft drive gear retention kit changes
- Digital technician II - updates and release notes
- Genuine motor parts and motor accessories bulletin PAB1158: oil filter packaging and case quantity update
What 2012 Harley-Davidson FXDC owners say
Most recent owner complaints, unedited.
Catastrophic rear wheel bearing failure at 2,500 miles. Rattling sounds. Grinding noise. Abs light came on. Rear wheel began to lock up. Pulled over and had vehicle towed to dealer. Dealer advised that the rear wheel bearings had disintegrated and the ABS sensor was fried from the heat. No explanation as to possible cause was given. If this would have occurred at highway speeds, a crash would have resulted from wheel seizure.
Tl* the contact owns a 2012 harley davidson super glide custom motorcycle. The contact stated that the tail lights were leaking water. There was water entering the tail lights and turn signals when the contact had the vehicle washed or when it rained. The contact was concerned that the failure would cause a short in the bulbs. The contact took the vehicle to a dealer where the dealer advised that the parts were assembled correctly but he could seal the light covers with silicone. The vehicle was not repaired. The failure mileage was 454.
Compare the 2012 Harley-Davidson FXDC
Other model years
Questions about the 2012 Harley-Davidson FXDC
Is the 2012 Harley-Davidson FXDC reliable?
Owners have filed 3 complaints about the 2012 Harley-Davidson FXDC, close to a typical FXDC model year.
What is the most common problem with the 2012 Harley-Davidson FXDC?
Brakes, with 1 complaint. Next is engine (1).
How many recalls does the 2012 Harley-Davidson FXDC have?
No recalls on record.
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