: Sales and updates for KEYePER (the USB/frozen version of the catalog) were officially suspended on March 1, 2018.

It is abandonware, it is finicky, but for the dedicated Fiatisti, it is indispensable.

: Devices purchased before this date remained functional but were "frozen" at their last update (February 2018).

This is a gray area. The official EPER is proprietary software licensed to dealerships. The “Fiat EPER 2018” that most hobbyists download from torrent sites or file repositories is a .

| Tool | Best For | Cost | Coverage | | :--- | :--- | :--- | :--- | | | Dealers & workshops | Subscription | 2000–present | | ePER on ePER.fi | Hobbyists | Free (donation) | 1993–2015 | | 7zap.com | Global users | Free with ads | 1990–2024 | | Fiat eLearn | Repair procedures | One-time download | Up to 2012 |

: Identifies "break points" in production using codes (e.g., 'C' for dismissed parts, 'D' for introduced parts) based on date or chassis number.