Snap-on Solus Ultra 21.4 Update Updated Jun 2026

If you're considering buying one with 21.4, check:

Includes expanded diagnostics for domestic, Asian, and European models up to the 2021 model year. Important Compatibility Notes

The software in the 21.4 “What’s New” PDF was labelled for Australian Snap‑on diagnostics and is primarily intended for the SOLUS Ultra. SOLUS Edge users should check their specific compatibility with Snap‑on support.

This guide covers everything you need to know about the 21.4 update, from its core features to installation steps. What is the Snap-on SOLUS Ultra 21.4 Update? snap-on solus ultra 21.4 update

13% more tests for Advanced Driver Assistance Systems (ADAS).

: This release includes year-model updates for 2020 and 2021 vehicles across numerous manufacturers , including Audi, BMW, GM, Nissan, and Toyota.

Snap‑on offers two official methods to update a SOLUS Ultra. One requires a PC and an internet connection; the other uses a physical CompactFlash (CF) card. Both are effective, but they serve different scenarios. If you're considering buying one with 21

If the SOLUS Ultra shuts down while installing from a CF card, simply – the update will resume from where it stopped. To prevent this, ensure the tool is connected to wall power (not just vehicle power) during the update.

For many technicians, the 21.4 update is the definitive version of the Solus Ultra. It provided the last major injection of vehicle coverage, extending the tool's relevance into the 2021 model year for many major manufacturers. Vehicle Coverage Expansion : The update added 2021 model year support for brands like Buick, Chevrolet, GMC, Mazda, Toyota, and Lexus . It also introduced the brand to the platform for the first time. Specialized Functions

Snap-on Solus Ultra 21.4 update serves as a historic "end-of-the-road" milestone for one of the most reliable handheld diagnostic tools in the automotive industry. Released in late 2021, this version represents the final software update This guide covers everything you need to know about the 21

Enhanced data parameters, trouble codes, and functional tests for major manufacturers including GM, Ford, Chrysler, Toyota, Honda, Nissan, Hyundai, Kia, and European makes like BMW, Volkswagen, and Mercedes-Benz. 2. Advanced Bi-Directional Functional Tests

The Snap-on 21.4 software update is the for the SOLUS Ultra platform. This update brings the tool to its maximum functional capacity, featuring enhanced vehicle coverage and reporting capabilities before the hardware reached end-of-life status for future official updates. Update Status and Support