Tesla's Model 3 refresh - Highland - is in demand in China. Reports indicate a dramatic "explosion" of orders expected to start flooding in soon. Set for delivery by the end of September 2023, Tesla is bracing itself to meet its ambitious targets with a series of strategic moves, per local Chinese news outlets, including 36kr.
Production Scale-Up
Tesla's Gigafactory Shanghai is resuming operations at its Phase 1 battery production line to cater to this growing demand. This is after a recent shutdown for essential upgrades and changes, including implementing automated machinery that reduced the workforce.
Phase 1 of the Shanghai plant's battery production line has 3,000 to 4,000 packs of weekly capacity. Coupled with Phase 2 and Phase 2.2, which can churn out 10,000 units weekly, the combined monthly output reaches a staggering 100,000 units. This number was further elevated following battery suppliers Ningde Times and LG Chem settling in by the end of 2022.
The restructuring at the Shanghai facility also saw some workers from the Phase 1 battery production line laid off in June 2023, with options to transfer to other workshops like stamping, painting, and general assembly. With the restart of Phase 1, battery production line personnel are returning to work.
Giga Shanghai: A Hub of Innovation
Giga Shanghai has been a core hub for Tesla's production innovation. With three distinct phases of battery production, it's ready to tackle the surging demand for Project Highland. The plant's capacity of around 100,000 battery packs per month represents a key element in Tesla's strategy to make the Project Highland version of Model 3 a success.
Phase 1, being the oldest, has the least automation and was previously stopped due to its lower efficiency. The recent move to bring it back to life emphasizes Tesla's commitment to meeting the expected surge in demand.
Project Highland's Global Impact
The excitement around the new Model 3 isn't confined to China alone. Reports note that the mass production of the updated Model 3 has impacted Europe's delivery schedules, pushing back to October-November. The delay signifies the extent to which Tesla's new offering has affected the global automotive scene.
The enthusiasm around Project Highland's Model 3 comes from leaked images and spy shots hinting at a revamped version with redesigned headlamps, taillamps, a new dashboard, and refreshed door panels. Recent reports indicate that potential buyers are holding off on current Model 3 deals, eagerly awaiting the new release.
The strategic moves by Tesla, including the rapid adaptation of its Shanghai plant's battery production lines, reflect the brand's agility and commitment to remaining at the forefront of the electric vehicle revolution. As September draws near, all eyes are on Tesla's official launch of the revamped Model 3 in China, a move that could influence the Chinese market and set new standards across the global automotive landscape.
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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 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.
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.
