2015 Infiniti Q50 power train problems
39 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 operating the vehicle, the transmission suffered an abrupt failure resulting in Diagnostic Trouble Code (DTC) P0720 (Output Speed Sensor Circuit). Further diagnostic inspection revealed a complete internal failure of the integrated valve body assembly, which houses the Transmission Control…”
filed Aug 12, 2026
“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
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.