repaired · 2026 Q2
Driveline: driveshaft
Risk. A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is in park without the parking brake applied.
2015 Infiniti Q50Problems, recalls & complaints
NHTSA has logged 126 owner complaints about the 2015 Infiniti Q50, most often about the power train. It is covered by 3 safety recalls, and for recall 24V-470 the manufacturer reports only 39% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 14, 2026. Updated daily. Photo: Elise240SX, CC BY-SA 4.0.
Complaints by system
Where the 2015 Infiniti Q50 has problems
126 complaints grouped by the system owners reported.
39Power train1 crash/fire/injury
28Steering3 crash/fire/injury
21Vehicle speed control
19Air bags9 crash/fire/injury
17Electrical system2 crash/fire/injury
12Service brakes5 crash/fire/injury
9Engine
3Seat belts
3Exterior lighting
189 other systems4 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Power train | 39 | 1 |
| Steering | 28 | 3 |
| Vehicle speed control | 21 | 0 |
| Air bags | 19 | 9 |
| Electrical system | 17 | 2 |
| Service brakes | 12 | 5 |
| Engine | 9 | 0 |
| Seat belts | 3 | 1 |
| Exterior lighting | 3 | 0 |
| 9 other systems | 18 | 4 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
3 recalls
2015 Infiniti Q50 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2017 Q4
Steering: automated/adaptive steering
Risk. If the vehicle does not steer as the driver anticipates, there is an increased the risk of a crash.
repaired · 2017 Q3
Sensor: occupant classification
Risk. If the passenger frontal air bag does not deploy as intended in the event of a crash, the passenger is at an increased risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Infiniti.
Owner-reported costs
What owners say repairs cost
Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.
Power train
8 owners mentioned a cost$3,000median
Middle half: $2,375 – $4,625
If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.
Best & worst years
2015 vs. every other Q50 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Q50 median. How we score
'14'15'16'17'18'19'20'21'22'23
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2015 Infiniti Q50 safety ratings
2015 Infiniti Q50 4 DR AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
★★★★★
Frontal crash★★★★★
Side barrier★★★★★
Side pole★★★★★
- Rollover: 5 stars (9.7% risk)
- Stability control: Standard
- Forward collision warning: Optional
- Lane departure warning: Optional
In owners' words
What Q50 owners report
Recent power train complaints filed with NHTSA, shortened. Personal details are removed.
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…
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…
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…
Own a 2015 Q50?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.