Tesla To Add Improvements to V4 Superchargers

By Kevin Armstrong
Tesla will improve its V4 Superchargers with improved docks and a more flexible cable
Tesla will improve its V4 Superchargers with improved docks and a more flexible cable
@RoamingNorway/X.com

The Tesla Supercharger V4 network was met with disappointment from a Tesla fan and Model 3 owner. @RoamingNorway posted on X several issues with the new chargers. These included heavier cables, reduced flexibility, a problematic grip causing the plug to fall, and an obstructive design. Despite a modest following, his observations resonated with the Tesla community and caught the company's attention.

The Reviews are In

After the post, @RoamingNorway was met with the usual pro-Tesla crowd and the anti-Tesla hater responses. The user politely answered several comments and displayed their admiration for the EV revolution. Then, the big one, Tesla acknowledged these concerns through its official charging account.

Minor things matter. Cable dock & stiffness improvements coming soon! - @TeslaCharging

Tesla's V4 Supercharger, an update over its predecessors, initially aimed to cater to a broader range of EVs by including a longer, more durable cable. However, this design adjustment inadvertently introduced challenges for Tesla drivers, as highlighted by the feedback. Tesla's acknowledgment and swift commitment to address these issues reflect the company's agility and customer-centric approach.

While Tesla has not specified the details or timeline for the improvements, their proactive stance suggests these enhancements will be implemented effectively. This development aligns with Tesla's ongoing efforts to expand and refine its charging infrastructure.

The expansion of Tesla's V4 Supercharger network in Europe includes new installations and upgrades from older versions. This expansion is part of Tesla's broader strategy to accommodate an increasing variety of electric vehicles following major automakers' widespread adoption of Tesla’s charging technology. This move grants access to Tesla's extensive Supercharger network of more than 50,000 globally.

Owners Have a Voice

Tesla's approach to customer feedback, exemplified by its response to @RoamingNorway's post, is the latest demonstration of listening to user experience to identify areas of improvement. While the company usually picks off random posts, it opened up the floor last May. Tesla asked what it could improve in a post that garnered more than 9 million views and 13 thousand responses. Interestingly, many of the top suggestions have been addressed, and several more have likely been implemented during an over-the-air update.

For example, customers emphasized the need for faster service times and more service locations. Tesla is continuously building more brick-and-mortar locations to address the growing demand for service. There was also a call to make Full Self-Driving (FSD) transferable. You may recall there was a window to make this happen over the past year. Owners wanted a 360° bird's eye view; Tesla has done better than that with the new High-fidelity Park Assist. There was also a request for a better referral program, and there have been several additions since May.

Tesla is following a proven strategy. Time and time again, the businesses that listen to customers often succeed. We might not be used to a car company listening and implementing changes as quickly as Tesla.

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Tesla LFP Batteries Can Now Be Warmed up While Supercharging Using Innovative Feature

By Karan Singh
Not a Tesla App

Tesla’s been on a roll with Supercharger improvements lately, from the 325kW charging update for the Cybertruck, to 500kW with V4 Superchargers coming next year. While those improvements have been limited to the Cybertruck, Tesla didn’t put all their focus on their new flagship vehicle, but looked at their more affordable vehicles as well.

LFP Battery Heating

Tesla’s Superchargers can now heat LFP Batteries - those that are in the Model 3 and Model Y Rear Wheel Drive variants. This applies to Long Range and Standard Range models, which saw a limited run. This is another update included as part of the 2024 Tesla Holiday Update - which really arrived with a lot of unannounced new features and capabilities.

The change is pretty interesting - Superchargers of the V3 and V4 variety can now pre-heat batteries for Model 3 and Model Y vehicles equipped with LFP battery packs. That means those vehicles are able to get back on the road faster when it's extremely cold. Of course, Tesla still advises you to precondition before you arrive, saving drivers time and money.

Max de Zegher, Tesla’s Director of Charging, also commented on the new feature. Essentially, Tesla is inducing an AC (alternating) ripple current through the battery to warm it up. Keep in mind that Superchargers are DC charging. That means it is possible to get a cold-soaked LFP vehicle on the road 4x faster than before, assuming that it didn’t precondition at all and that it is in the worst-case scenario (below 0ºF).

In essence, Tesla is using some engineering magic to turn the circuits inside the LFP battery into an electric heater - and powering that heater through the Supercharger. An AC ripple current is a small oscillation in the DC charging current that generates heat through electrical resistance, warming up the battery. Those ripples are a byproduct of converting AC to DC and back - so Tesla is using the onboard charger to induce those ripples to warm up the battery. Definitely an innovative technique that’s really only possible with the versatility of the NACS connector.

We’re hoping Tesla can implement this across their full lineup of vehicles, but we’ll have to wait and see how it is trialed across LFP vehicles first and if it is even possible on vehicles with 2170 or 4680 battery packs.

Tesla Included FSD V12.6.1 and V13.2.4 in the Same Update: What Caused This and What It Means

By Karan Singh
Not a Tesla App

Tesla launched two FSD updates simultaneously on Saturday night, and what’s most interesting is that they arrived on the same software version. We’ll dig into that a little later, but for now, there’s good news for everyone. For Hardware 3 owners, FSD V12.6.1 is launching to all vehicles, including the Model 3 and Model Y. For AI4 owners, FSD V13.2.4 is launching, starting with the Cybertruck.

FSD V13.2.4

A new V13 build is now rolling out to the Cybertruck and is expected to arrive for the rest of the AI4 fleet soon. However, this build seems to be focused on bug fixes. There are no changes to the release notes for the Cybertruck with this release, and it’s unlikely to feature any changes when it arrives on other vehicles.

While this update focuses on bug fixes, Tesla’s already working on bigger features for FSD V13.3, which we have already confirmed to include improvements to highway following and speed control.

FSD V12.6.1

FSD V12.6.1 builds upon V12.6, which is the latest FSD version for HW3 vehicles. While FSD V12.6 was only released for the redesigned Model S and Model X with HW3, FSD V12.6.1 is adding support for the Model 3 and Model Y.

While this is only a bug-fix release for users coming from FSD V12.6, it includes massive improvements for anyone coming from an older FSD version. Two of the biggest changes are the new end-to-end highway stack that now utilizes FSD V12 for highway driving and a redesigned controller that allows FSD to drive “V13” smooth.

It also adds speed profiles, earlier lane changes, and more. You can read our in-depth look at all the changes in FSD V12.6.

Same Update, Multiple FSD Builds

What’s interesting about this software version is that it “includes" two FSD updates, V12.6.1 for HW3 and V13.2.4 for HW4 vehicles. While this is interesting, it’s less special when you understand what’s happening under the hood.

The vehicle’s firmware and Autopilot firmware are actually completely separate. While a vehicle downloading a firmware update may look like a singular process, it’s actually performing several functions during this period. First, it downloads the vehicle’s firmware. Upon unpacking the update, it’s instructed which Autopilot/FSD firmware should be downloaded.

While the FSD firmware is separate, the vehicle can’t download any FSD update. The FSD version is hard-coded in the vehicle’s firmware that was just downloaded. This helps Tesla keep the infotainment and Autopilot firmware tightly coupled, leading to fewer issues.

What we’re seeing here is that HW3 vehicles are being told to download one FSD version, while HW4 vehicles are being told to download a different version.

While this is the first time Tesla has had two FSD versions tied to the same vehicle software version, the process hasn’t actually changed, and what we’re seeing won’t lead to faster FSD updates or the ability to download FSD separately. What we’re seeing is the direct result of the divergence of HW3 and HW4.

While HW3/4 remained basically on the same FSD version until recently, it is now necessary to deploy different versions for the two platforms. We expect this to be the norm going forward, where HW3 will be on a much different version of FSD than HW4. While each update may not include two different FSD versions going forward, we may see it occasionally, depending on which features Autopilot is dependent on.

Thanks to Greentheonly for helping us understand what happened with this release and for the insight into Tesla’s processes.

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