How common are transmission problems on the 2014 Infiniti Q50?

NHTSA lists 19 transmission & powertrain complaints for the 2014 Q50, which is 11% of all 169 complaints filed for that model year.

Is there a transmission or driveshaft recall for the 2014 Infiniti Q50?

Yes. Recall 24V470000, reported June 21, 2024, covers a driveshaft that can fatigue and break on 2014-2018 Q50 vehicles among other Infiniti models. Dealers replace the driveshaft free of charge.

At what mileage do 2014 Q50 transmission problems usually show up?

NHTSA data shows a median mileage of 93,500 at the time of failure for transmission & powertrain complaints on this model year.

Did the 2014 Q50 transmission problems cause any crashes?

NHTSA records 1 crash and 0 injuries or fires linked to transmission & powertrain complaints for the 2014 Q50.

2014 Infiniti Q50 Transmission & Powertrain Problems

NHTSA lists 19 transmission & powertrain complaints for the 2014 Infiniti Q50, 11% of the year's 169 total complaints, with a median failure mileage of 93,500. A separate driveshaft recall (24V470000) also covers this model year.

Transmission & Powertrain complaints: 19; 11% of 169
Crashes reported: 1
Fires reported: 0
Injuries reported: 0
Median mileage: 93,500 mi
Related recalls: 1

Typical transmission symptoms owners report

Transmission suddenly drops or slams into a lower gear (2nd or 3rd) at speed, causing a jolt or shudder that some drivers describe as almost causing a crash.
Vehicle loses the ability to shift out of low gears (2nd or 3rd), limiting top speed to as low as 20-40 mph.
Owners report the transmission valve body and output speed sensor failing, sometimes requiring full transmission replacement since the valve body is not sold separately.
Diagnostic codes such as P0720, P0500, and P0270 appear along with check engine lights when shifting problems occur.
Some owners report the same valve body failure recurring a second time after repair.
Failures often happen during highway driving without warning, forcing drivers to pull over or get the car towed.

When 2014 Infiniti Q50 transmission complaints were filed

First complaint Mar 30, 2016, latest Oct 26, 2025.

19 complaints filed with NHTSA from Mar 2016 to Oct 2025; peak Aug 2024 (4).

Transmission & Powertrain recalls for the 2014 Infiniti Q50

NHTSA 24V470000Jun 21, 2024Transmission & Powertrain7,222 vehicles
Power train:driveline:driveshaft
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.
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. Both scenarios can increase the risk of a crash.
Remedy: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.

Transmission & Powertrain complaints by Q50 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

201419 (11%)
201539 (31%)
20164 (10%)
20175 (8%)
20183 (7%)
20196 (20%)
20201 (33%)
20211 (17%)
20220 (0%)
20231 (13%)

Frequently asked questions

How common are transmission problems on the 2014 Infiniti Q50?: NHTSA lists 19 transmission & powertrain complaints for the 2014 Q50, which is 11% of all 169 complaints filed for that model year.
Is there a transmission or driveshaft recall for the 2014 Infiniti Q50?: Yes. Recall 24V470000, reported June 21, 2024, covers a driveshaft that can fatigue and break on 2014-2018 Q50 vehicles among other Infiniti models. Dealers replace the driveshaft free of charge.
At what mileage do 2014 Q50 transmission problems usually show up?: NHTSA data shows a median mileage of 93,500 at the time of failure for transmission & powertrain complaints on this model year.
Did the 2014 Q50 transmission problems cause any crashes?: NHTSA records 1 crash and 0 injuries or fires linked to transmission & powertrain complaints for the 2014 Q50.