2015 Infiniti Q50 power train problems
38 owner complaints filed with NHTSA name the power train on the 2015 Infiniti Q50 — 31% of all complaints for this model year.
What owners report
“While driving my 2015 Infiniti Q50s, the transmission suddenly suffered a catastrophic electronic failure, causing the vehicle to immediately drop into "limp mode." This resulted in a sudden and dangerous loss of acceleration while operating in traffic. A diagnostic scan revealed trouble codes…”
filed Jul 15, 2026
“The valve body on these cars are useless. Driving down a highway and cant shift out of 3rd gear almost had a car re-end me. Today I am driving and the ECU is not responding I see the check engine light on then I'm like not again. This would be the 3rd valve body I replaced. First I replaced the…”
filed May 14, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Driveshaft can fatigue and breakCampaign 24V470000 · Jun 21, 2024
Power Train problems in other Q50 years
| Year | Reports | Share |
|---|---|---|
| 2019 Q50 | 6 | 20% |
| 2018 Q50 | 3 | 7% |
| 2017 Q50 | 5 | 8% |
| 2016 Q50 | 4 | 10% |
| 2014 Q50 | 19 | 11% |
Other reported problem areas on the 2015 Infiniti Q50
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.