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Posted by Geoff Turner
 - September 02, 2023, 05:37:03
This just happened to my wife tonight when parking our Model Y in the garage.
She had come to a gentle stop as she/we always do and as she eased off the accelerator
the car leapt forward and hit the rear wall of the garage damaging the front before she could press the park button.
We went through all the usual possibilities of her accidentally touching the accelerator pedal,
but she is adamant that she did not.
There must be some cause for this that Tesla must know about.
I shall be taking it into the service center to complain and bring it to their attention.
Posted by Danny Chung
 - August 18, 2023, 21:23:21
The researcher please contact me at [email protected].  I have experience similar scenario during a toll booth stop where the car accelerated by itself.  Look me up on Linked-in and also check the Facebook Tesla Model 3 group where I posted some details on what happen. 

I am an electrical engineer by trade, and after experiencing what happen, I think I know a way to prove this.  I just need access to the data log and information.
Posted by Alex R
 - August 16, 2023, 13:59:40
I experienced this two days ago and it caused a very serious collision in a high traffic area.

Very familiar road, sudden unexexpected acceleration which did not stop when i depressed the pedal - instead it continued accelerating. I didn't imagine depressing the pedal, nor did i imagine the continued acceleration. In my incident, there was no time to hit the brakes and I was forced to steer into a lampost - that's how fast it was accelerating. Absolutely terrifying experience.   
Posted by Barry Quaye
 - July 13, 2023, 05:12:28
Paul The Vehicle Technician is right. The article looked half credible until the talk of the 12v System. That would mean a sulfated Lead Acid Auxiliary Battery would make the fault more likely. Just another attempt to make Lawyers rich
Posted by Yallo241
 - July 10, 2023, 06:21:32
This is exasperated due to Teslas requiring low maintenance time and inspections not being made in workshop conditions. Furthermore the 12V batteries are not readily accessible by users and so drivers can't check before any driving nor keep the batteries in peak condition because you can't access them for storage maintenance.

Also explains why Tesla is hastily replacing the 12v lead-acid based batteries with Li-ion. They know exactly what's going on......
Posted by Mark Waters
 - July 07, 2023, 21:29:56
I have a 2022 model 3, I've experienced the unintended sudden braking but never sudden unintended acceleration. My personal theory on the unintended braking is mirages. Sensors see the mirage on a hot road if big enough and brake for it.
Posted by GeorgeReeves
 - July 07, 2023, 16:31:30
If the acceleration is due to a momentarily overloaded 12v system then it should be more frequent in cars with older 12v batteries.  The identical pedal position vs time profiles are very strong indication that the problem is not driver error if all cases show the same profile.
Posted by Allen
 - July 07, 2023, 13:21:26
Has Tesla or the NTSB thought of putting a sensor directly on the analogue component and recording that independently and time stamped? I 5gino 5his would help a lot.
Posted by Alex Masters
 - July 07, 2023, 11:10:36
An explanation could be that the driver presses the accelerator slowly, instead of the brake and then panics when they accelerate and repeat the error with 100% accelerator application.

I've seen enough crash videos to know that this is the more likely scenario.

Furthermore, if I press the accelerator and brake at the same time, the brake pedal 'wins' and acceleration is cancelled with an error displayed about both pedals being pressed at the same time. This event would have been logged and available to Tesla and the NHTSA.
Posted by Flowing
 - July 07, 2023, 07:52:50
This had all been dismissed by wk057
Posted by LexxR
 - July 07, 2023, 03:44:59
At a minimum it still needs fixing  especially if it's doing this on a bend (as stated when Turing the wheel could cause the issue to arris) it could potentially launch the car (like off a hill into a ambulance) before driver reacts and crashes almost immediately

if it does this when parking they can potentially crash right away before they can react

Tesla cars has a lot of instant power on the Motors so any sudden 100% power commanded is going to cause the vehicle to shoot off really fast

Toyota had issue with there acc peddle because unfortunately what had happened was that it had 5 sensors so 5 wires went to the main computer and it passed that data to the backup computer so any errors in the main computer was passed to the backup so if it said 100% power it was passing that incorrect Information to the backup (3 of the wires should have been passively connected to backup computer so it could compare the main computer data it was reporting and position sensors independently)
Posted by Anonydo
 - July 07, 2023, 00:13:08
Hmm, don't know about that
Here's what you should look into...
1. Adaptive cruise control slows you down on freeway.
2. You switch lanes to go around vehicle
3. You step on gas pedal
4. Adaptive cruise control kicks in to resume set max.
It seems to add these together, rather than the pedal input overriding the adaptive cruise control causing to to accelerate more than you're expecting.

This seems like a design flaw at the very least.
Posted by Tomasz
 - July 06, 2023, 21:07:46
Two other commenters suggests that this explanation is invalid because there is no log about brake pedals being pressed.

The problem is that drivers are accused of accidently pressing acceleration instead of the brakes pedal, but in the described event nobody actually presses the brake. The claim made by drivers and this researcher is that thr car suddenly accelerates in seemingly random situations, not just when brakes pedal is pressed.

That's why there is no brake pedal information in the log. Neither acceleration nor brakes pedals have been used.
Posted by Jman
 - July 06, 2023, 17:16:52
Let's see, the NTSB has closed the investigation and refused repeatedly to open it.  An outside "researcher" who's been working tirelessly to get them to recall Teslas now has a new theory that would leave behind no evidence.  Teslas still have mechanical brakes, and brakes have more power than the motor.  So this theory still has problems in that the brake pedal doesn't show as being pressed, and if it has been the cars can't accelerate.

People have been accusing cars of unintended acceleration for 50 years. They're always wrong.  They always refuse to accept the conclusion of the investigations.  It's worth checking when a new claim arrives, but once the regulatory authorities dismiss the claims, it's no longer news.  So until the NTSB reopens the case this is just a "researcher" with a grudge. Just like Audi 50 years ago.
Posted by Paul Dutton
 - July 06, 2023, 16:40:21
Hello,

I am a master and EV auto technician, I work for General Motors, but drive a Tesla and have been following this issue for the past year. In theory I have troubie quantifing how a vehicle error could cause this. Everything go and stop has redundant circuits. After reading this I can see how the app could err, but still the brake overrides the accelerator on my Tesla. If I floor the accelerator and then hit the brake, the vehicle stops. More research please?

Thanks,
Paul Dutton
GM World Class Technician
GM EV Certified
ASE Master Technician