2016 INFINITI Q50 Electrical System Problems

* the passenger airbag light came on July 2025. I was not in a accident the light just came on. * 7/29/2025 I took my car in for service at Infinity of Las Vegas (the only Infinity dealership in Las Vegas) I asked to check why the airbag light was on. I was told the occupant sensor unit was abnormal. Sensor and module internally shorted out. Recommend to replace passenger front seat frame assembly (only available as a 1 piece both sensor and module internally shorted seat frame Assy). @ $ 8678.76. Because it’s a different seat from the original seat, I would have to also replace the seat belt. @ 116.87. * It is not recommended to drive a car with the air bag light on. This car is my only source of transportation. * on August 4, 2025 I took my car to Auto Dynamic Services and they...

I’m reporting a safety issue with my 2016 Infiniti Q50. Last Friday [XXX], my the car wouldn’t crank and there was minimal dashboard power, but the engine wouldn’t start. After receiving a jump, I had the battery replaced assuming it was the issue. However, six days later, while driving, the vehicle suddenly lost all electrical power mid-drive with no warning or dashboard alerts. The engine shut off, the brake pedal became stiff, and I was unable to use any power-operated functions, such as rolling down the windows (98 degree day in Texas) or opening the trunk, which contained my emergency tools. A police officer had to assist and the vehicle was towed. Upon inspection, the issue was traced to corroded battery terminal cables, which were blocking the signal from the new battery and causing the full shutdown. This is a serious safety concern as complete power failure while driving, with...

Then engine light came on. And the vehicle decline in power. It moves very slow.

The engine check light came. I also received a letter from infinti for recall. The power of the vehicle declined.

Passenger seat light remain on for 4 months the went away. Then the airbag light came on. Took it to Infiniti of Tampa where they supposedly done diagnostics. They cause additional lights to appear on my dashboard to include the steering hard to turn. When I purchased the vehicle in October 2016 I was unaware of any recalls. I found out about a month ago there approximately four recalls for 2016 Infiniti Q50.

The contact owns a 2016 Infiniti Q50. The contact stated that the vehicle was taken to the dealer for an oil change. The contact stated while driving to the residence, the RPMs and the speedometer were intermittently dim, and the daytime running lights were intermittently inoperable. Additionally, the contact stated that the front passenger's side seat belt light indicated that the seat belt was not buckled even though the front passenger’s seat was unoccupied. The contact stated that upon buckling the front passenger's side seat belt, the seat belt warning light turned off. The vehicle was taken to the dealer to be diagnosed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 93,000.

TL* THE CONTACT OWNS A 2016 INFINITI Q50. WHILE AT A STOP, THE VEHICLE WENT INTO ECONOMY MODE AND SHUT OFF. THE START/ON/OFF WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS RESTARTED AND TAKEN TO INFINITI OF COCONUT CREEK (5501 WEST SAMPLE RD, COCONUT CREEK, FL 954-861-6100) AND WAS DIAGNOSED THAT IT WAS PERFORMING AS EXPECTED. LATER, THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V476000 (FUEL SYSTEM, GASOLINE, ELECTRICAL SYSTEM). THE VEHICLE WAS TAKEN BACK TO THE SAME DEALER AND REPAIRED PER THE RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND MADE A NOTE OF THE CONTACT'S CALL. THE FAILURE MILEAGE WAS 1,500.