Problems owners report
Complaints filed with NHTSA about the 2014 Infiniti Q50, by the system named in each complaint. One complaint can name several.
- Steering78
- Electrical system42
- Power train19
- Unknown or other16
- Air bags16
- Service brakes14
- Engine12
- Vehicle speed control11
- Tires8
- Wheels6
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 8 injuries and 2 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 57 2014 Q50 vehicles were involved in crashes on US public roads in which someone died; 45 people died inside them, and 10 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2014 Infiniti Q50 failed the safety check 1.29% of the time — 44% less often than the average 2014 passenger car (2.30%). Median odometer at inspection: 94,809 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Registered new in Europe in 2014
2,291 new Infiniti Q50 cars were registered in the EU, Norway and Iceland in 2014; the largest markets were Germany (565), France (547), the United Kingdom (415).
- Average mass
- 1,711 kg
- Average power
- 146 kW
- Fuel type recorded
- Diesel 81% · Petrol 19%
European Environment Agency, CO₂ emissions from new passenger cars · averages weighted by registrations; CO₂ is the type-approval value; fuel type as recorded at registration, where many non-plug-in hybrids appear as petrol · re-use permitted with acknowledgement
In the Netherlands
22 first registered in 2014 are on Dutch roads; 45% arrived later as imports. Median list price when new: €53,922.
Most common APK defects
- Kentekenplaatverlichting werkt niet (goed) / ontbreekt6
- Bandenspanning niet op juiste waarde6
- Stuur- of fuseekogel met slijtage kleiner of gelijk 1,0 mm6
- Mechanische delen van het remsysteem vertonen slijtage6
- Band(en) aanwezig met een profieldiepte van 1,6 t/m 2,5 mm4
- Stadslicht werkt niet (goed)4
- Mistlicht voor niet volgens voorschriften3
- Band beschadigd2
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In the United Kingdom
360 cars built in 2014 were licensed for the road at the end of 2025, and 30 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
MOT test results in Great Britain
In 2023, 426 of these cars first registered in 2014 took their annual MOT test. 74% passed first time; among all cars first registered in 2014 the figure was 72%.
| Failed on | These cars | All cars from 2014 |
|---|---|---|
| Brakes | 9.6% | 6.0% |
| Tyres | 8.9% | 6.8% |
| Lamps, reflectors and electrical equipment | 7.3% | 10.0% |
| Suspension | 5.9% | 8.2% |
| Visibility | 3.1% | 4.3% |
| Noise, emissions and leaks | 1.6% | 2.5% |
DVSA anonymised MOT tests and results, 2023 (Department for Transport) · Open Government Licence v3.0 · first tests only; a fix made at the test station within the hour still counts as a fail
In New Zealand
14 2014 cars are on the New Zealand register; 100% arrived as used imports, 0% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Crash-test ratings
NHTSA 5-star results for 2 variants; 2 of 2 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2014 Infiniti Q50 4 DR AWD | ★★★★★ | 9.7 % |
| 2014 Infiniti Q50 4 DR RWD | ★★★★★ | 9.7 % |
- Electronic stability control
- Standard
- Forward collision warning
- Optional
- Lane departure warning
- Optional
- Best overall rating
- 5 / 5
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 2 variants: combined 10.2–10.8 L/100 km (about 22–23 mpg US), CO₂ 235–248 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Q50 · Mid-size · Premium gasoline | 12.0 | 8.0 | 10.2 |
| Q50 AWD · Mid-size · Premium gasoline | 12.6 | 8.7 | 10.8 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
8 Transport Canada recalls for the 2014 Infiniti Q50.
| 2016296 10 Jun 2016 | Steering On certain vehicles, a combination of low battery voltage at engine start up (~7 volts) and the vehicle being parked with the wheels turned could cause an error… |
| 2016179 25 Apr 2016 | Seats And Restraints On certain vehicles, a defect in the occupant classification system could allow an adult sitting in the front passenger seat to be classified as a child or an “… |
| 2016123 17 Mar 2016 | Airbag On certain vehicles, the front passenger seat occupant classification system software may incorrectly classify the passenger seat as empty, when it is occupied … |
| 2014416 24 Sept 2014 | Powertrain On certain hybrid vehicles, the transmission housing may have been damaged during manufacturing. This could allow a crack in the housing to form, and could even… |
| 2014415 23 Sept 2014 | Powertrain On certain hybrid vehicles, a defect in engine control module programming could cause a gradual throttle increase without driver input, which could cause vehicl… |
| 2014414 23 Sept 2014 | Powertrain On certain hybrid models, an error in communication between the electric motor inverter and the transmission control module could cause the electric motor to st… |
| 2014093 25 Mar 2014 | Airbag On certain vehicles, the front passenger seat occupant classification system software may incorrectly classify the passenger seat as empty, when it is occupied … |
| 2013410 19 Nov 2013 | Steering On certain vehicles equipped with Direct Adaptive Steering (steer-by-wire), cold weather operation could cause the system to malfunction on startup, and delay t… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
Nissan North America, Inc.'s (Nissan) is recalling certain model year 2014-2016 Infiniti Q50 vehicles manufactured December 26, 2012, to December 11, 2015, and Infiniti Q50 Hybrid vehicles manufactured December 10, 2012, to December 17, 2015. The Direct Adaptive Steering system may experience an error at vehicle start up altering the vehicle's steering responsiveness and turning radius.
Nissan North America, Inc. (Nissan) is recalling certain model year 2016-2017 Nissan Maxima, 2013-2016 Nissan Altima, NV200, LEAF, Sentra, and Pathfinder, 2014-2016 Nissan NV200 Taxi, Infiniti QX60, QX60 Hybrid, and Q50 Hybrid, 2014-2017 Nissan Rogue and Infiniti Q50, 2015-2016 Nissan Murano, Murano Hybrid, and Chevrolet City Express, 2014-2015 Nissan Pathfinder Hybrid, and 2013 Infiniti JX35 vehicles. In these vehicles, the front seat passenger Occupant Classification System (OCS) may incorrectly classify an adult passenger as a child or classify the seat as empty despite it being occupied. As a result, the passenger frontal air bag may be turned off and not deploy in the event of a crash.
Nissan North America, Inc. (Nissan) is recalling certain model year 2013-2014 Altima, LEAF, Pathfinder, and Sentra, model year 2013 NV200 (aka Taxi) and Infiniti JX35 and model year 2014 Infiniti Q50 and QX60 vehicles. In the affected vehicles, the occupant classification system (OCS) software may incorrectly classify the passenger seat as empty, when it is occupied by an adult.
Nissan North America, Inc.'s (Nissan) is recalling certain model year 2014 Infiniti Q50 vehicles equipped with Direct Adaptive Steering. The affected vehicles received a power steering software version that, should the engine compartment reach freezing temperatures, the power steering software may disable the electric steering system and also may delay the engagement of the mechanical steering backup system.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Infiniti told its dealers about the 2014 Infiniti Q50: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11009064 | DTC B00A0-00 STOREIF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored, AND OCS zero point reset cannot be performed, (continued on the next page)D |
| 11002539 | INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11002537 | CAN COMMUNICATION NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001653 | CAN COMMUNICATION CODES DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001182 | WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001179 | REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001177 | WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10249891 | TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10242625 | Fuel sender |
| 10235451 | HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10233657 | DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10233611 | ABS/VDC CAN DIAGNOSIS INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232646 | REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232645 | WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232644 | WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10227251 | 3G TELEMATICS HARDWARE DEACTIVATION SERVICE INFORMATION The APPLIED VEHICLES that come equipped with a factory installed SOS switch, located near the overhead map lamp, also come equipped with a wireless communication device called a Telematics Communication Unit (TCU). AT&T discontinued its U.S. 3G network coverage on February 22, 2022. As a result, automakers that utilize AT&Ts 3G network connection, including Nissan Group, have had connectivity services affected. INFINITI Connection with InTouch Services are no longer available on the APPLIED VEHICLES listed above. |
| 10212027 | DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10208943 | BATTERY QUICK CHARGE NOTICE SERVICE INFORMATION When charging the vehicles 12 volt battery with the high amperage quick charge function, the ignition should never be ON, or turned ON, while charging. Attempting to start the vehicle, or turning the ignition ON, while using the high amperage quick charge could potentially damage the fuel pump control module. Only turn the ignition ON when either the ESM or a technical service bulletin service procedure states to do so, and only while using a battery maintainer or smart charger set to reflash mode, or a similar setting. Battery volta |
| 10208936 | DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10208933 | INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10208932 | EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10208930 | CAN COMMUNICATION NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10207844 | CAN COMMUNICATION CODES DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10206354 | HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10206343 | CLEANING FRONT OR REAR COMBINATION LAMP ASSEMBLIES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Occupant Classification System Failure
Occupant Classification System Failure
NHTSA Office of Defects Investigation