Tesla Update 2023.44.1: Unpacking All the Undocumented Changes

Radio favorites in update 2023.44.1 are now pinned to the top

Jessie

With every major Tesla update, there are often smaller changes or features that aren't mentioned in the release notes.

While software update 2023.44.1 was a little light on changes as Tesla prepares for its big holiday update, it did include changes to Autopilot activation, which appears to have been a requirement from NHTSA, as well as other changes such as Destination Charging Availability and Speed Assist added to more regions.

However, several changes weren’t mentioned in the release notes, which we’ve unpacked below.

Radio Favorites

Your Tesla automatically scans and displays your local radio stations. Your favorited stations are now pinned to the top of the Stations tab in the Radio app, instead of being a separate tab. This makes it easier to flip through stations, whether they’re favorites or not.

You can also tilt your left scroll wheel left and right to go to the next or previous radio station.

Messages App

The phone app no longer has tabs for messages and calendar

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The Messages app, which is used to view or reply to recently exchanged text messages is now only accessible through the Messages app icon in the All Apps menu.

The Messages app was previously accessible through a tab on the Phone app.

Calendar App

The calendar app receives some subtle design changes

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Similar to the changes in the Messages app, the Calendar is no longer accessible through the Phone app and now needs to be brought up by either tapping the app icon or touching the time at the top of the display.

The Calendar app has also received some minor design changes.

All Apps Menu

You can now access your wipers and defrost options in the All Apps menu while driving

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The All Apps menu, which is accessible in the app icons along the bottom of the screen, now displays app icons centered on the screen, instead of being left-aligned.

Certain functions such as wipers, heated steering wheel and defrost icons are now also available while in drive.

Service Mode Improvements

Service Mode has added several changes as well, which are aimed as troubleshooting issues in your vehicle

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Service Mode has been updated with various new panels and improvements.

The new panels include a new software section that lets you verify the software version installed and diagnose issues related to the infotainment center, Autopilot, and maps. There is a new section for 'High Voltage Interlock Loop,' as well as a new option in the Air Suspension panel that lets you inflate the air suspension reservoir.

Other changes include Chinese language support and a new feedback section for Service Mode Plus users.

Service Mode should only be accessed by technicians and owners who are familiar with it and aware of the risks involved. The vehicle should not be driven with Service Mode engaged, as various safety features are turned off.

This appears to be it as far as changes in update 2023.44, however, the holiday update is almost upon us and it is sure to be packed with features, as well as probably a few undocumented changes as well.

Last week, Tesla said that the holiday update would roll out this week, however, we wonder if the NHTSA-required changes will affect its release.

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NHTSA Probes Tesla’s Robotaxi Plans; Seeks Answers on FSD in Poor Weather

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As anticipation builds for Tesla’s Robotaxi network debut in Austin, potentially just a few short weeks away, the National Highway Traffic Safety Administration (NHTSA) is turning its official eye onto Tesla. The ask? How will Tesla’s FSD handle the unpredictable realities of challenging weather?

The NHTSA Request

The NHTSA has sent a formal letter to Tesla, which was made public on May 12th, requesting detailed information about Tesla’s Robotaxi service. The NHTSA inquiry centers specifically on the safety and performance of FSD when faced with reduced visibility conditions like rain, fog, and sun glare. The request is tied to an ongoing NHTSA investigation, which was initiated in October 2023, examining Tesla’s FSD and Autopilot suite following incidents in poor visibility.

Tesla’s executives, including Elon Musk, have previously stated that the company is full steam ahead to launch Robotaxi in Austin this June. However, NHTSA’s pointed questions come even as Tesla has recently discussed its plans to work on region-specific and weather-specific FSD training.

Tesla’s executive leadership acknowledged the need to adapt the system to diverse environmental and weather conditions. Now, regulators want specifics on how Tesla intends to address environmental conditions and how that translates to operational safety for the fleet.

Request Breakdown

NHTSA’s letter outlines a need for detailed information from Tesla before the service launches and covers several key areas. We’ve broken this down into various sections below:

Deployment Scale

NHTSA is looking for the exact number of vehicles and models that will be part of the initial Austin fleet, and what the projected service availability times would be for said fleet. Tesla has previously said it’d launch with 10-20 Model Ys, but looks like NHTSA is looking for additional details.

Oversight

In terms of oversight, NHTSA is looking to confirm whether the Robotaxis will operate under real-time supervision of Tesla’s employees, either remotely or in-vehicle.

This is a question on our minds as well. A recent app update suggested that Tesla could have a driver in the vehicle, but it wasn’t clear whether this was referring to Tesla’s own fleet or customer-owned vehicles. The only thing we have heard officially from Tesla is that Tesla “may” use remote support, but that they were still looking into it.

Adverse Weather Capabilities

This is the meat and potatoes of the request - how will Tesla ensure safety during sun glare, fog, heavy rain, snow, or dust? What specific protocols are triggered if poor visibility is encountered mid-trip? Will the vehicle pull over or call home and cancel rides?

Sensor Technology

Surprisingly, NHTSA is looking for details regarding the vehicle the Robotaxi sensor suites and how Tesla intends to use those sensors to ensure safe operation under varied conditions. NHTSA has had previous submissions from Tesla in regard to its sensor suite and how it uses the technology, so it feels odd that they are requesting another batch - but this could be related to the use of the next generation of FSD (Unsupervised).

Compliance

Does Tesla’s FSD system adhere, either fully or partially, to established industry standards for autonomous driving? This likely refers to the NHTSA Automated Vehicles for Safety guidebook, which lays out the “L0 to L5” driver assistance vs automation system.

Future Expansion

Finally, NHTSA is looking for the timeline for enabling Robotaxi functionality on vehicles not directly owned or controlled by Tesla. Tesla has already come out and said that customer-owned vehicles wouldn’t be allowed on the robotaxi network until 2026, but obviously, NHTSA wants to hear directly from Tesla and likely has more specific questions covering a wide variety of potential issues.

These questions will likely have to be answered with considerable amounts of data and justification for the NHTSA. Once all that is done, Tesla will be in a better position to receive regulatory approval at a larger scale than just within the city of Austin or the state of Texa with the NHTSA’s backing.

Successfully addressing this letter will be the key for Unsupervised FSD moving forward, but Tesla hasn’t issued a public response to the agency’s letter, and likely won’t in a public manner. So we’ll have to wait and see how the launch of the Robotaxi network pans out next month.

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FSD V13.2.9 Rolls Out for HW4 as Part of Tesla’s 2025.14.6 Update

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After an 84-day wait since the last FSD update, Tesla has finally begun rolling out a new version of FSD V13 to its AI4-equipped vehicles. This new release, V13.2.9, is rolling out to all vehicles, including the Cybertruck.

Unfortunately, since it’s a minor point release (from V13.2.8), the release notes are the same, and Tesla hasn’t included a change log or changed what’s coming in the future.

Software Update 2025.14.6

The FSD update is rolling out with Tesla software update 2025.14.6. Interestingly, update 2025.14.6 is seeing a wider distribution and is also being made available to vehicles without FSD and outside North America. For those vehicles, this update just includes bug fixes.

TCU Fix

There’s one fix in particular that’s expected to be included in this update, according to a message from Tesla Service. In earlier 2025.14 updates, there was a bug in some vehicles that prevented some vehicles from falling asleep properly due to a Telematics Control Unit (TCU) issue. This bug caused additional battery drain since some of the vehicle’s systems remained.

Tesla Service said they planned to include a bug fix in update 2025.14.6, but it hasn’t been confirmed whether the fix actually made it out in this release.

Early Access Users and More

FSD v13.2.9 was first rolled out to Tesla’s standard Early Access group, including well-known community members and content creators. It has also reached participants in the newer, Texas-based Early Access Program, suggesting that the update is relatively stable and may serve as a foundation for upcoming FSD releases.

Tesla could be intending to use the Texas Early Access Program to test various features, perhaps related to the upcoming Robotaxi network launch in Austin. While this is plausible, it is merely speculation, and we’ll be keeping a close eye on that group to see what exactly Tesla does.

HW3 Users

While Tesla has recently been including FSD updates for HW3 and HW4 in the same release, this update does not include any changes for HW3 users. HW3 vehicles that are receiving this update are staying on FSD V12.6.4, which means that whichever fixes this update includes they’re specific to FSD V13 or HW4.

Point Release - Not Much New

Being a point release, V13.2.9 isn’t expected to introduce any major new capabilities. Tesla hasn’t provided specific release notes detailing changes from V13.2.8.

Hopefully, Tesla has taken into account recent user feedback on V13.2.8 about lane centering and lane selection, and this update addresses some of those issues. However, early feedback is that those issues are still present.

There is always potential for a more substantial update in the near future, so keep your fingers crossed, but after such a long wait, we expected more to be included. It seems like Tesla may have felt the need to address a bug in this release instead of waiting for the next major release, which is expected to either be FSD V13.3 or FSD V14.

Roll Out

The fact that Software Update 2025.14.6 is going out wider than the Early Access audience suggests that Tesla is confident in this release and that it likely only includes very minor changes. We expect this update to continue going out over the coming days.

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