As an engineer, I’ve spent years pulling apart systems to understand how they actually work rather than how they’re marketed to work. When I started digging into EV right-to-repair legislation for a piece I was researching, I expected to find a fairly clean story: new laws force manufacturers to open up diagnostic and repair access, independent shops benefit, owners get more choice and lower prices. What I actually found was messier, and the gaps in what these laws cover matter more than most owners realize.
Right-to-repair has been a live legislative fight in the automotive world for years, but EVs raise the stakes in a way gas cars never did. A modern EV isn’t just a car with a different powertrain, it’s a rolling software platform where battery management, motor control, charging behavior, and increasingly even physical component function are gated behind manufacturer-controlled software and diagnostic tools. If you can’t access that software, in a lot of practical cases you can’t actually fix the car, no matter how skilled the independent mechanic standing next to it is.
Key Takeaways
- Right-to-repair laws generally require manufacturers to provide diagnostic and repair information to independent shops and owners, but most current laws exempt or only partially cover the safety-critical and telematics systems that increasingly control EV-specific components.
- Battery pack service is the area where independent access remains most restricted, since high-voltage work often requires manufacturer-specific tools, certifications, and software authorization that laws haven’t fully forced open.
- Software-gated repairs — where a part will physically install but won’t function until authorized through manufacturer software — are a newer workaround that existing right-to-repair language often doesn’t clearly address.
- Owners should ask directly whether a specific repair requires dealer-only software authorization before assuming an independent shop can complete a job start to finish.
Why Gas Car Right-to-Repair Doesn’t Automatically Cover EVs
The original wave of automotive right-to-repair legislation was built around a gas-car-era problem: manufacturers restricting access to onboard diagnostic codes and repair manuals that independent shops needed to fix engines, transmissions, and standard electrical systems. Those laws largely succeeded at forcing that information into the open.
EVs introduced categories of system that didn’t meaningfully exist when a lot of this legislation was written: high-voltage battery packs, motor controllers, thermal management systems, and over-the-air software that can alter how a component functions after the car has already left the factory. Because much of this legislation is written around specific, enumerated categories of diagnostic data rather than a broad principle of “all repair-relevant information,” EV-specific systems have frequently fallen into gaps between what the letter of the law technically requires and what a shop actually needs to complete a repair.
This is a case where the legislative intent — owners and independent shops should be able to get vehicles fixed without being captive to a dealer network — is broadly agreed upon across most stakeholders, but the technical specificity of the laws hasn’t kept pace with how EV systems are actually engineered.
Battery Service Is Where Independent Access Still Falls Short
If there’s one repair category where right-to-repair progress has been slowest, it’s high-voltage battery pack service. Even where laws technically require manufacturers to share diagnostic access, battery pack work often requires specialized safety certification, manufacturer-specific service tools, and in many cases direct software authorization from the manufacturer to complete a repair, none of which independent shops can simply purchase or train into on their own timeline.
I understand part of the manufacturer argument here: high-voltage systems carry real safety risk if serviced incorrectly, and certification requirements aren’t purely anticompetitive gatekeeping. But in practice, the certification and tooling access process for independent shops is frequently slower, more expensive, and less complete than what dealer networks get automatically, which functionally preserves a dealer service monopoly on the single most common expensive EV repair category — battery pack diagnostics and module-level service — regardless of what the law says about diagnostic data sharing in principle.
For owners, this means that even in states with strong right-to-repair laws on the books, a battery-related issue is still disproportionately likely to route you back to a dealer or manufacturer-certified shop, not because the law failed exactly, but because the certification and tooling ecosystem hasn’t caught up to the legal requirement.
The Software Authorization Workaround
The development I find most concerning as an engineer is what’s sometimes called “software-gated repair”: a scenario where a replacement part, including a properly sourced, genuine, or compatible aftermarket part, will physically install correctly but won’t actually activate or function until it’s authorized through manufacturer-controlled software, often requiring an active connection to the manufacturer’s servers.
This matters because right-to-repair laws were largely written around the idea of information access — get the diagnostic codes, get the repair manual, and an independent shop can do the work. Software authorization gating sidesteps that framework entirely. The shop can have full diagnostic information and still be unable to complete the repair because the final activation step requires a manufacturer-controlled digital handshake that independent shops have no legal right to under most current legislation.
This is an evolving area of both legislation and litigation, and it’s worth watching closely, because it represents a mechanism that could functionally undo a lot of the access right-to-repair laws were designed to guarantee, just by moving the gatekeeping from physical parts and diagnostic codes to software authorization.
What’s Actually Working: Standard Diagnostic and Telematics Access
It’s not all gaps and workarounds. In states with meaningful right-to-repair laws, independent shops have gained real, functional access to standard diagnostic trouble codes, many non-battery electrical repairs, and telematics data needed for general maintenance and non-safety-critical component replacement. This covers a large share of routine EV service: suspension work, brake service (including regenerative braking system diagnostics in many cases), climate system repairs, and general electrical troubleshooting.
For owners, this means the “you can only get service at the dealer” fear that circulated heavily in early EV adoption is now overstated for a lot of routine maintenance. Independent EV-capable shops have genuinely expanded in states with strong right-to-repair frameworks, and the price and convenience benefits of that competition are real for the repair categories the laws actually cover.
How to Actually Navigate This as an Owner
My practical advice, developed from watching this play out across different states and manufacturers, is to ask a specific question before assuming any shop can complete a repair: does this repair require manufacturer software authorization to function, separate from just diagnosing the problem? For routine maintenance and most electrical work, independent shops in right-to-repair states can generally answer yes to being able to complete the job start to finish. For anything touching the high-voltage battery pack or involving a part that needs remote activation, verify with the shop directly whether they have that specific authorization before committing, since assuming legal right-to-repair coverage automatically means practical repair capability is where a lot of owners get surprised.
Frequently Asked Questions
Do right-to-repair laws mean I can get any EV repair done at an independent shop?
Not necessarily. Most laws require manufacturers to share standard diagnostic and repair information, but high-voltage battery service and software-gated repairs often remain restricted through certification requirements and manufacturer software authorization that current laws don’t fully address.
Why is battery pack service still hard to get outside a dealer?
Battery pack work typically requires specialized safety certification and manufacturer-specific tools and software authorization. Independent shops can pursue this certification, but the process is often slower and less complete than what’s automatically available to dealer networks.
What is software-gated repair?
It’s a scenario where a replacement part physically installs correctly but requires manufacturer software authorization, often via a server connection, to actually function. This sidesteps traditional right-to-repair protections, which were built around diagnostic information access rather than software activation.
Can independent shops do routine EV maintenance?
Yes, in states with meaningful right-to-repair laws, independent shops generally have solid access to diagnostics and repair capability for suspension, brakes, climate systems, and general electrical work, which covers a large share of routine EV service needs.
How do I know if my repair will require dealer-only authorization?
Ask the shop directly whether the specific repair requires manufacturer software authorization to complete, separate from diagnosis. This is most relevant for high-voltage battery work and any component replacement involving remote activation.
The Law Is Catching Up, But Not There Yet
Right-to-repair legislation has made real, measurable progress in opening up EV service access for a meaningful share of routine repairs, and that progress is worth acknowledging. But the categories where owners most need protection — expensive, safety-critical battery work and software-gated component activation — remain the areas where legal frameworks have lagged furthest behind the technology. Until legislation catches up specifically to software authorization gating, the safest approach as an owner is to verify repair capability, not just diagnostic access, before assuming an independent shop can finish the job.
Mark Harrison
Charging & Range Analysis
