Tesla’s vehicles all have a built in Service Mode, where you can find working diagrams of anything from the HVAC system, low or high voltage systems, your power steering, or infotainment. All of this is included on-vehicle, and doesn’t require a third-party tool or subscription.
Of course, if you need more information, Tesla does offer Toolbox3, a fairly inexpensive subscription package that can be downloaded onto any laptop and connected to any Tesla - without the hassle of needing a special manufacturer-specific OBD tool.
Thanks to John Kelly for finding this. Let’s dig into it.
48V LVCS Connector Reference
Cybertruck runs on a 48V architecture, called LVCS, or Low-Voltage Connector Standard. They recently launched this standard to the rest of the automotive industry, in hopes of promoting standardization and progress.
48V and LVCS offer Tesla the unprecedented ability to optimize the wiring inside Cybertruck and future vehicles, massively reducing the complexity and cost - and also ensuring that everything within the vehicle is networked. That networking means that you can also debug the Cybertruck’s wiring from within the vehicle - without needing to disassemble the entire thing.
The wiring diagram, set to the front cabin view.
John Kelly on X
The Wiring Service Diagram offers the ability to search for particular connectors, and also see where the wiring runs originate and terminate. And that’s not all - you’re also able to pull up the pinouts, wire colors, and harness connections to see everywhere that specific connector brings data, power, or anything else to.
The pinout view for a particular connector.
John Kelly on X
This is an fantastic update, and enables anyone, including a DIY home mechanic, to be able to figure out exactly what might be wrong with a particular system, as well as how to potentially correct it. In addition, all of this data is freely available within the vehicle, and nothing else is required to be able to access it other than sitting down and entering Service Mode Plus.
How to Access It
For this particular interface, you’ll need to access Tesla’s Service Mode Plus, which means you’ll need a subscription to Toolbox 3, Tesla’s Service Software. We won’t walk you through that procedure here, as we recommend you review Tesla’s Service Manuals before jumping in.
Assuming you know what you’re doing, once TB3 is setup and connected to the vehicle, you can enter Service Mode Plus from the TB3 primary menu, and then navigate your way to the Low Voltage section. The Connector Reference Tool is its own sub-heading, and the search tool to look for particular connectors is in the top right.
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The road to bringing FSD to Europe has been a long and complex one and filled with regulatory and bureaucratic hurdles. Elon Musk, as well as other members of Tesla’s AI team, have previously voiced their grievances with the regulatory approval process on X.
However, it appears that there is finally some progress in getting things moving with recent changes to upcoming autonomy regulations, but the process still seems slow.
Waiting on the Dutch
Elon commented on X recently, stating that Tesla is waiting for approval from Dutch authorities and then the EU to start rolling out FSD in Europe. Tesla is focusing on acquiring approvals from the Dutch transportation authority, which will provide them with the platform they need to gain broader acceptance in Europe. Outside of the Netherlands, Tesla is also conducting testing in Norway, which provides a couple of avenues for them to obtain national-level approval.
The frustration has been ongoing, with multiple committee meetings bringing up autonomy regulation but always pulling back at the last second before approving anything. The last meeting on Regulation 157, which governs Automated Lane Keeping Systems, concluded with authorities from the UK and Spain requesting additional time to analyze the data before reaching a conclusion.
Tesla, as well as Elon, have motioned several times for owners to reach out to their elected representatives to move the process forward, as it seems that Tesla’s own efforts are being stymied.
This can seem odd, especially since Tesla has previously demoed FSD working exceptionally smoothly on European roads - and just did it again in Rome when they shared the video below on X.
— Tesla Europe & Middle East (@teslaeurope) June 12, 2025
DCAS Phase 3
While the approval process has been slow, Kees Roelandschap pointed out that there may be a different regulatory step that could allow FSD to gain a foothold in Europe.
According to Kees, the European Commission is now taking a new approach to approving ADAS systems under the new DCAS Phase 3 regulations. The Commission is now seeking data from systems currently operational in the United States that can perform System-Initiated Maneuvers and don’t require hands-on intervention for every request.
This is key because those are two of the core functionalities that make FSD so usable, and it also means that there may not be a need to wait years for proper regulations to be written from scratch. Now, the Commission will be looking at real-world data based on existing, deployed technology, which could speed up the process immensely.
What This Means
This new, data-driven regulatory approach could be the path for Tesla to reach its previous target of September for European FSD. While the cogs of bureaucracy are ever slow, sometimes all it takes is a little data to have them turn a bit faster in this case.
Alongside specific countries granting approval for limited field testing with employees, there is some light at the end of the tunnel for FSD in Europe, and hopes are that a release will occur by the end of 2025. With Europe now looking to North America for how FSD is performing, Tesla’s Robotaxi results could also play a role.
Tesla’s marketing has always been relatively unconventional, relying on word-of-mouth rather than traditional advertising. The passion of the owner’s community is always massive, but it is especially high now with the launch of the Robotaxi network just around the corner.
Tesla is now tapping into that spring of fan creativity and announced the TeslaVision video contest, with some seriously impressive prizes up for grabs.
Announcing the TeslaVision fan video showcase
Tesla owners & supporters have always been able to see our products & mission for what they truly are.
Your word of mouth has made Tesla what it is today.
The OGs will remember that in 2017, we held our first video contest. 8 years… pic.twitter.com/6pPpkqmqOH
The core of the contest is simple. Create a video that shows how your Tesla gives you more in life. Tesla is looking for submissions that highlight themes of freedom, safety, fun, and convenience.
Prizes
The prizes definitely make this contest worth entering if you’re good with a camera and have some basic video editing abilities.
For North America, the prizes include a brand new Model Y AWD Long Range, alongside an all-expenses-paid trip to Austin for a tour of Giga Texas. The grand prize winner will also be able to custom order their Model Y, allowing them to select their preferred wheels and color.
The two runners-up won’t get a Model Y, but they’ll also enjoy an all-expenses-paid trip to Giga Texas for a tour of the factory.
The travel and tour include lodging in Austin for 2 nights, as well as economy-class round-trip tickets from anywhere in North America. Tesla will also provide a vehicle for use during the trip.
For long-time followers of Tesla, this contest may feel familiar. The contest is a direct throwback to the 2017 Project Loveday contest, which was inspired by a letter to Tesla from a 10-year-old aspiring marketer. That contest was won by MKBHD, with his submission below:
How to Enter
If you’re ready to start filming, here are the key pieces of information you’ll need to know:
Video must be 90 seconds or less
Video must be uploaded to YouTube with a public URL
Make a post on X and Instagram tagging “@Tesla” and include the words “TeslaVision contest” in the post.
Provide links to both social media posts in your submission to Tesla’s form
Provide your personal details in the form
You have until July 17th, 2025, or until Tesla receives 10,000 entries, whichever comes first.
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