2015 Harley-Davidson FLTRX Road Glide — Common Issues & Known Problems
Known Issues & Owner Reports
These are the most commonly reported issues and concerns from owners, mechanics, and community forums for the 2015 Harley-Davidson FLTRX Road Glide.
Hydraulic Clutch Failure
HighA chemical reaction in the master cylinder could create gas bubbles, preventing the clutch from disengaging.
Subject to a major recall in 2015.
manufacturer tsb
high confidence
Infotainment Screen 'Ghosting' or Freezing
LowThe Boom! Box 4.3 and 6.5 units are known for software glitches, freezing, or slow response times.
Software updates via USB can often resolve these issues.
community pattern
high confidence
Limp Mode (TBW Connector)
MediumThe pins in the throttle body connector can lose tension ('fretting corrosion'), causing the bike to enter limp mode.
Applying dielectric grease or replacing the connector pins is the common fix.
expert builder pattern
medium confidence
Used Buying Inspection Checklist
What to look for when buying a used 2015 Harley-Davidson FLTRX Road Glide.
Clutch Master Cylinder
Steering Head Bearings
Throttle-By-Wire (TBW) Codes
Primary Compensator
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