2015 Infiniti Q50 Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 121 complaints citing each category; one complaint can cite several. Full breakdown on the 2015 Infiniti Q50 overview page.
What owners report
“Transmission, Transmission Valve body, speed sensors. After transmission shifting issues while traveling the interstate I had to have the car towed to the dealership. After…”NHTSA complaint 11649578 — filed 03/20/2025
“While driving on the interstate and coming over an overpass there was unavoidable debris located in the road. Immediately after passing over the debris there…”NHTSA complaint 11649291 — filed 03/19/2025
“Valve body goes bad after a few hundred miles every time. fluid enters the tcm causing it to go bad. the tcm could be welded…”NHTSA complaint 11647122 — filed 03/08/2025
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2015 Infiniti Q50 have transmission & power train problems?
Power Train is the most-reported problem area on the 2015 Infiniti Q50: 36 of 121 complaints on file (29.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2015 Infiniti Q50 have in total?
121 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 16 involved a crash, 2 involved a fire, 10 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
