Legal
Licenses and data provenance
This page records the open-source software used by the website and describes, without implying a larger catalog, the diagnostic information MultiAuto actually shows.
Last updated July 15, 2026
Diagnostic data in this version
MultiAuto reads standard live data plus stored, pending, and permanent emissions-related trouble codes. It includes plain-English summaries for a limited set of common codes; it does not claim a complete trouble-code catalog.
- Vehicles can expose different standard live-data values. MultiAuto labels unsupported requested values rather than inventing a reading.
- Trouble-code summaries are explanatory context, not a diagnosis or repair instruction.
- When a code needs a manufacturer-specific definition, MultiAuto shows the raw code and says that the definition is manufacturer specific instead of guessing.
A deliberately limited claim
MultiAuto includes freeze frame, readiness, VIN, diagnostic reports, and CSV export. It does not reach manufacturer-specific modules or claim a complete trouble-code catalog.
What we will not do
We do not copy descriptions, PID formulas, adapter identifiers, or vehicle data from other diagnostic applications. If MultiAuto does not have a reliable summary for a code, it says so. A plausible-sounding invented definition is worse than an admitted limit.
Protocol behavior
MultiAuto's Wi-Fi ELM327 command handling follows the adapter protocol exposed over local TCP. Clone firmware varies, so listing an adapter on the Adapters page records MultiAuto's own current support and development status; it is not an endorsement or certification by the adapter manufacturer.
MultiAuto supports Wi-Fi ELM327 adapters only. Bluetooth LE and Bluetooth Classic rows remain in the table specifically so buyers can see that they are not supported in this version.
Third-party software: this website
This site is a Next.js application. The following open-source projects are used to build it under the licenses published by those projects:
| Project | License |
|---|---|
| Next.js (opens in a new tab) | MIT |
| React and React DOM (opens in a new tab) | MIT |
| Tailwind CSS (opens in a new tab) | MIT |
| Radix UI primitives (opens in a new tab) | MIT |
| shadcn/ui component patterns (opens in a new tab) | MIT |
| Lucide icons (opens in a new tab) | ISC |
| clsx (opens in a new tab) | MIT |
| tailwind-merge (opens in a new tab) | MIT |
| class-variance-authority (opens in a new tab) | MIT |
Each project's full license text is published by that project and distributed with its package. If an attribution is wrong or incomplete, tell us at juanquenga@gmail.com.
Privacy-related software in the iOS app
The iOS app contains no advertising, analytics, tracking, or telemetry SDK. It has no account or cloud backend. Those privacy facts describe the current release, not a future goal.
MultiAuto's own source
Whether MultiAuto's source code will be published, and under which license, has not been decided. No open-source license should be inferred unless one is explicitly published.
Corrections
Attribution and product-scope errors matter. If something here is wrong, incomplete, or claims more than MultiAuto does, write to juanquenga@gmail.com and we will correct it.