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Service engineering can, but I suspect they wont do it, they'll tell service to replace the MCU because they don't want to deal with the unknowns. You are looking at a least a kilobuck either way.

What @MP3Mike said, but adding, even if the car had newer software the SSL certificates needed for the car to connect to Tesla's back-end are long-since expired, so even if someone locally connects to the car and pushed an update it still wont connect. (Only some people have the skills to do...

Since someone brought up this old thread: I have noticed that if you put a substantial 12v (really around 15V) charge back into the 12V system on a PCS-equipped car (3/Y/Palladium), it will reverse the flow through the DC-DC and charge the HV system. Not sure what the limit of this is, I only...

The main reason Tesla is going to hairpin is COST and manufacturing speed (also cost).

I did a teardown of the new hairpin motor: I posit that the hairpin will indeed allow for higher peak power, but the efficiency is probably close to a wash due to the higher skin-effect losses in the hairpin vs. conventional windings. Yes, there is a lot of power "on the table" in this...

Like I said, you can either get a used one or a new one from Tesla over-the-counter at service (if they stock it). Calimotive is one of the largest Tesla dismantlers in the world, they'll probably have one. There is no "reconfiguration" or software, this is literally a dumb heater, 2 coolant...

Just get a used one from Calimotive (or somewhere else), and have any competent mechanic install it. Not that hard to do. Tesla also sells it new over-the-counter for $445.

Tesla doesn't think this way. I've assisted several police upfitters with this problem, it's not easy!

To be clear this only applies to older cars. Palladium and the newer 3/Y with the Lithium 12v is a mess to attach high loads to, and definitely don't attach anything directly to the battery, ever!

Yes, you can install a fuse there, or just add an in-line fuse holder and attach it (with as short of wire as possible from the fuse) to the busbar. The body cross-section is huge. For radio equipment the best ground is as close to the transceiver as possible (after the CM choke). Look for an...

I have actually developed with CCS. The electromechanical interlock is most definitely required. Show me a production car anywhere that doesn't have such a device on it's DCFC connector. Once the vehicle detects that current has stopped flowing it will release the interlock. Depending on...

Yes, the lock is only required for DC. If you open an AC circuit, the current stops flowing 120 times a second (in the US), so this generally helps break any arcs, whereas on DC this is not the case. Having an explosion/fire start if someone unplugs the connector doesn't sound like good...

FYI: The CCS standard requires a motorized connector latch be engaged before charging can start. Does the Setec even have a motorized latch? If not then it's dangerous. If the cable were pulled out while under 200A there could be an arc-over and explosion. This is why CCS, CHAdeMO and...

Our ePro vans charge at up to 200kW at the 350kW Electrify America stations: Maxwell Vehicles

I'm more than happy to evaluate it. I can do a test with a real CCS charger here.

Sorry, Air in the coolant has NOTHING to do with cabin heat. Cabin heat on all Teslas except Model Y and the newest 3's with the heat pump all comes from a PTC electric heater that directly heats the air.

This is why I don't post in the forums anymore. =( I'm off to enjoy the rest of my day....

They were definitely binning. Early inverters, even with binning were still a big crap shoot: Now ST delivers excellent parts. So much so that they can pull 6 of them out of the non-P units for cost savings. If people don't believe it, or otherwise think that it's a good idea to do this...

For the record, I have absolutely nothing to do with this, and I don't recommend it. It's appears it's these guys: Groupe Simon André There are a lot of reasons why, but the #1 is; You void your warranty. If it smokes your inverter, you are on the hook for thousands. Also, when Tesla sends...

For those that want to tap the high-current 30A feed for the audio amp, it can be tapped in the trunk (right rear) look for the silver box, and the wire is a fat red (3mm). It's also present at VCRight in the right kick panel on the large 6 pin connector. (X054) It's symmetrically opposite my...

Here's an official document describing it: Smallpdf.com

So Tesla recently started shipping cars with DLC3 ports (aka OBD II). They provide both switched and unswitched power for this, so hopefully it's a more reliable tap going forward. Model3-obd2 by Ingineer posted Jun 1, 2020 at 8:13 PM Also, the premium audio amp in the right rear trunk has a...

Look at the PCB. Only 2 connections (pins are bundled together for extra current carrying). There would have to be a gate pin, plus associated gate driver circuitry. Also, FETs/IGBTs don't conduct when you put a meter across them. These do!

Yes, Tesla will program keys, but you first have to create a Tesla account (if you don't already have one) and transfer the car into it by submitting a picture of the Title or valid registration, and a copy of your DL/ID, and the name on it MUST match the name on the title/reg. Then they will...

You do not need to drop the pack to check fuses or access the DC-DC. What is the month/year your car was made, and what model?

I'm not suggesting they are bad. I'm asking if you heard them close or not. It's very obvious if they do, there is a "Click CLUNK" noise from the back of the car.

No way to know the exact cause for sure without diagnostics, and you aren't saying enough about symptoms, like are the contactors even closing? Without diagnostics, you are relegated to expensive parts swapping. If the contactors are closing, but you still have that alert, then I'd guess the...

"Nothing Tesla can do about it"; Wow you are really an idiot. I'm blocking you now.

Rooter, you clearly have integrity and maturity, so I'm not going to stoop to your level. For anyone wondering why you can't just give it away: For starters, it takes hundreds of hours of work to find vulnerabilities. Someone has to spend a LOT of time getting in, then if someone like...

This is because Tesla is terminating support for OpenVPN to connect to their servers. They are using a websockets based proxy now (Hermes-proxy). I imagine after May they will shutdown the legacy OpenVPN servers and cars not running hermes-proxy will then be unable to contact the mothership...

Yes, as long as you don't have any existing faults, then it will work. You can test before you bother by taking a 240V incandescent bulb and connecting the 3 legs one-by-one to it with the other side of the bulb to ground. If the bulb stays dark, you are in luck!

It's not code in the NEC to have a non-bonded setup AFAIK. Delta setups such as this *should* have one of the transformers bonded at it's center tap. Sometimes the bond will fail and create the situation you seem to have, so check to be sure that's not the case. Could be a simple fix to just...

It is normal. Happens on ICE cars as well, but the engine noise masks it.

Here's the updated list in 2019.4: { "voice_command_list" : [ { "command_type" : "navigate_to_home", "description" : "navigate to home (EN)", "command_regexp" : "^(?:where is|drive|drive me|take me|navigate) (?:home|to home|2 home|to my home|2 my...

I think this is just refrigerant boiling inside the evaporator. This will happen even in the winter, because when in auto mode the HVAC will use the A/C a tiny bit to condense the humidity out of the air to prevent internal fogging on the cold glass. (normal function on all cars) The lack of...

Send me a PM.

Not FUD here. FACT. Releasing anything in an open forum is bad for everyone, as Tesla will take action to close whatever methods you publish. Any supposed "gift" you hope to open source will simply be short lived. Go ahead and release as much as you can find, a cold winter is coming for...

Sorry, I'm not going to get into a flame war here with people are are my competitors trying to slam me, that just demonstrates a lack of integrity. I have plenty of references, many of whom are respected members here and have already spoken on my behalf. I currently support many hundreds of...

Incorrect, they turn off Supercharging all the time. I haven't seen them turn off data though in years. I have a fleet of over 600 cars that is monitored so I know when it's turned off. Here's one from yesterday: # access-internal-dat.pl 2018-12-10 16:16:59: Teleforce user tzhang changed...

To be clear; the Superchargers are effectively dumb devices (12 Model S Gen-2 Chargers in a box). The BMS in the car 100% controls them. So when Tesla disables supercharging on an unsupported vehicle, which is not only salvage, but also grey market cars (when cars are moved out of their home...

The factory cabling runs down each side just below the rocker trim on the inside of the car. It's easy to remove this and run additional cabling. The lower part of the rear seat is also easy to remove, there are 2 release levers on the front edge middle of each of the main seating positions...

Diagnostics. It's the only way to know what's going on. I've never seen a compressor die unless it had mechanical damage, or someone put the wrong oil in. You cannot make the compressor run by putting voltage in, it needs a special PWM signal and LIN communication on the Diag line.

I don't even know who you are, and I have no messages from you. If you are going to slander me here, please provide proof instead of heresay.

FYI: missing or erroneous sensor info can lockout the compressor. For instance if the front ambient air sensor is missing or damaged (happens in accidents easily), then the compressor will not run. I have the ability to run remote diagnostics, clear any codes, reactivate any and all systems...

Depending on its intended sales region, the air conditioning system is filled with R134a or 1234yf refrigerant. Refer to the label on the RH frunk trim. (U.S. and most markets use standard R134a) If oil needs to be added to the system, use only POE ND-11 or equivalent. This is vitally...

There is a lot of half truths here, and Dr. Smoke is plain lying. I've never disabled anyone's car or done anything to "post reminders on his screen". I do not even have a connection to his car anymore, so anything happening is all him. The reason his car was "disabled" is because he had a...

I added a 3rd video: Here's the playlist: Model 3 - YouTube As time permits, I'll add more. There indeed are zero fuses on the 12v side. All circuit protection is performed solid-state, which in practice means a transistor (MOSFET) is used to switch all the loads, and the body controllers...

I'm working on some videos showing how the M3 is put together. Here are my 1st two: This is a timelapse of the 1st one: More to come...

sounds like you have low iso and probably could use diags. Send me an email address and I'll send you some info. [email protected]