What 78 owners told NHTSA about the 2022 Porsche Taycan Turbo S

I am reporting a safety defect involving (1) sudden loss of propulsion (“turtle mode”/limp mode) while accelerating/merging into traffic and (2) unintended steering movement while driver-assist/lane centering was active (vehicle jerked toward adjacent lane and off roadway). These events create an immediate crash risk. The vehicle has also had repeated charging-related overheating/charging stoppage events, which I believe may present a fire risk when charging in a residential garage. Repairs have been attempted multiple times by an authorized Porsche dealer, but defects persist. Warranty has now expired, and an independent scan shows ongoing network/data bus/12V monitoring faults consistent with continuing electrical/network instability. I am requesting NHTSA review for a potential safety defect investigation/recall.

NHTSA ODI 11717011

Engine control error - Park vehicle in a safe space. This error occurred after pressing the accelerator pedal upon switching from Normal to Sport Plus drive mode. When coming to a stop, I tried to accelerate the car but it would jerk. I stopped, put my emergency signal on, turned off and on the car and the error went away.

NHTSA ODI 11684210

Driving at 45 MPH, and suddenly the car lost the ability to accelerate. It has no power/torque. It seemed to be able to maintain the speed (but not entirely sure or if it was coasting). I had limited areas on the road to turn so took last possible turn to pull over. A shutdown/start corrected the situation. No warning lights or indicators of any kind appeared. Cannot reproduce, which makes this situation more frightening. No other symptoms or warnings before.

NHTSA ODI 11681315

On 3/26/23 my 2022 Porsche Taycan Turbo self-ignited in our garage and created a lithium fire literally incinerating itself and completely destroying 3 other cars, the garage and approximately 35% of our home. The resulting fire filled the home with smoke, soot and required us to leave the house immediately and we have yet to return. The car was not being charged at the time of the fire; the charging unit was stored in the truck anticipating the dealership's promise to pick up the car for repair (again) the very next day. It was a four alarm fire supervised by the Bloomfield Township Fire Department and Oakland County Sheriff's Department. My wife and daughter personally witnessed the origin of the fire. The flames came from the bottom of the driver's side wrapping over the top of the Porsche and igniting the garage and the other cars. All cars were a complete loss. The Porsche Taycan was originally purchased new on 9/30/22 and was in and out of the dealership starting 2/9/23. The Service History is attached herein.

NHTSA ODI 11590645

What component or system failed or malfunctioned, and is it available for inspection upon request? Electrical malfunction errors came on, brakes, and engine control warning lights came on. The speedometer dashboard went dark. The car started shaking. The car started to slow down on its own. How was your safety or the safety of others put at risk? I was traveling at 76mph on a six lane highway. The brakes were not responsive for a period of time, I had no way to see the car speed, the windows went down on their own in the back seats. It was 33 degrees outside, no heat in the car, the wireless phone charger stopped working. Has the problem been reproduced or confirmed by a dealer or independent service center? The car is being inspected by the dealership. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? It is being inspected today. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? Yes, the brake warning light came on, an electrical malfunction light, and an engine control light appeared

NHTSA ODI 11573926

Electrical System Failure and Engine Failure. Car just stopped in the middle of the road at the traffic light and would not move forward. This has happened for the second time since the purchase of the car in December 2022. The car is now at the dealer being checked.

NHTSA ODI 11519346

Over the past 5 months, approx 6-7 episodes of car putting itself into park or neutral or 'hold' while stopped at traffic light. No loss of power while accelerator engaged.

NHTSA ODI 11464368

On 3 separate occasions while at a stop light the car shifted itself into neutral from drive. It’s very unsettling and unsafe. This is a brand new 2022 Porsche Taycan Cross Turismo.

NHTSA ODI 11460196

The car while coasting around 50 mph shifted from drive to neutral spontaneously. Then later shifted from drive to park spontaneously at a stoplight twice.

NHTSA ODI 11454249