Transmission shifting harshly and may have to be replaced

While underway at speeds under 20 mph. Vehicle hesitates and lurches creating a danger when taking off from a stop light. Vehicle may delay acceleration from a stop, which can feel unsafe in traffic and in merging situations.This activity is uncontrollable as the driver has no control and could lead to an accident or injury to pedestrians or other wise. Another problem is rough shifting, hard downshifts and a jerking. There is both an audible clunk and felt responce or "shift shock". Potential safety risk of hesitation or unexpected gear changes may compromise vehicle control. I have reported and visited the Bradenton Nissan dealership. (2 times) to no avail.

April 2 I was driving to an appt got off on access road and as I pulled up behind another vehicle the acceleration was faster than the pressure on the pedal warranted and the emergency stop-braking warning came on. After it was safe to proceed to my destination I proceeded to a parking spot as I turned to pull in the vehicle rapidly accelerated on its on and jumped the side walk. I attempted to brake but the pedal went to the floor with no braking and the engine was red lining as we crashed. My passenger pushed the engine off button. Front passenger tire was sheered off. No air bag deployment and vehicle likely totalled.

Vehicle Year/Make/Model: 2023 Nissan Frontier Defect Description: The wiring harness connected to the brake stop lamp switch on 2023 Nissan Frontier vehicles contains a design or manufacturing defect that causes premature switch failure. The defect results in the switch overheating and burning out, evidenced by visible charring and sooty residue inside the switch housing. Upon failure, the brake lights may not illuminate when the brake pedal is depressed, removing a critical safety signal for following drivers. Nissan has acknowledged this defect and issued Technical Service Bulletin NTB22-084. However, owners whose vehicles have exceeded the 36,000-mile bumper-to-bumper warranty threshold are required to bear the full cost of repair out of pocket, despite the defect being a known manufacturing issue. Safety Hazard: Failure of the brake stop lamp switch renders the vehicle's rear brake lights inoperative. This creates a significant safety risk to the vehicle's occupants, following drivers, and the general public — particularly under low-visibility conditions such as nighttime driving, inclement weather, or high-traffic situations. In my personal incident, switch failure occurred without prior warning while traveling at approximately 50 mph on a state highway. A warning light did illuminate, but only after the switch had already failed. At that speed and location, safely moving off the roadway was not immediately possible, placing myself and other motorists in a hazardous situation.

My 2023 Nissan Frontier lost all power and shut off while driving on the hwy.