2014 Triumph Thunderbird problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control:throttle (1) · Engine (1)
Safety recalls (1)
Fuel System, Gasoline:fuel Injection System:injectors 2014-11-03 · campaign 14V694000 · 417 vehicles
Defect: Triumph Motorcycles America, LTD (Triumph) is recalling certain model year 2014-2015 Triumph Thunderbird, Thunderbird ABS, Tiger 800,Tiger 800 ABS, Thruxton, and Bonneville motorcycles manufactured February 6, 2014, to August 7, 2014. The engine control unit may improperly activate the fuel injectors.
Risk: Improper signalling to, and activation of, the fuel injectors could cause the engine to unexpectedly lose power, increasing the risk of a vehicle crash.
Fix: Triumph will notify owners, and dealers will modify the internal ECU hardware, free of charge. The recall began December 4, 2014. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SB519.
Service bulletins (97)
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.
Electrical System 2026-09-22 · COM2_35786 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of daignostic software and dealers should begin using it immediately.
Electrical System 2026-07-14 · COM1-35109 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool 2026-07 and dealers should begin using it immediately.
Electrical System 2026-06-23 · COM2 - 34886 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool 2026-06.1 and dealers should begin using it immediately.
Electrical System 2026-05-19 · COM6 - 34491 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool version 2026-06 and dealers should begin using it immediately.
Unknown Or Other 2026-05-19 · COM5 - 34490 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of technical bulletin 264.
Unknown Or Other 2026-05-18 · TB264 · Service Bulletin/Repair Instructions
technical bulletin 264 provides instructions that relates to: triumph diagnostic tool - new motorcycle connection and diagnostics workflow, triumph diagnostic tool - end of support for microsoft windows 10.
Showing the 6 most recent of 97 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-08-22 · Vehicle Speed Control:throttle“the contact owns a 2014 triumph thunderbird motorcycle. the contact stated while riding 60 mph, the motorcycle lost motive power with the throttle control grip being activated. the contact waited for 20 minutes to restart the motorcycle however, the failure recurred. there was no warning light illuminated. the motorcycle was diagnosed; however, the…”
2019-06-21 · Engine · 9,100 mi“tl* the contact owns a 2014 triumph thunderbird. while driving between 35-55 mph, the contact's motorcycle made an abnormal knocking noise. the noise was loud and a distraction. the vehicle was towed to southern california motorcycles (515 w lambert rd, brea, ca 92821, (714) 256-6700) to be diagnosed, but the test came back incomplete. the dealer s…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.