Snap-on Solus — Ultra 21.4 Update

Chronicle: The Snap-on Solus Ultra 21.4 Update

End-of-Life Status

: Snap-on has designated version 21.4 as the last software release for several legacy platforms, including the SOLUS Ultra , Ethos , Ethos Pro , and Ethos Tech .

Technicians on Snap-on’s official forums report that the 21.4 update is notably more stable than 21.3, which had sporadic issues with Volkswagen group vehicles (Audi, VW, Porsche) on UDS protocols. snap-on solus ultra 21.4 update

The 21.4 update is designed to maximize the diagnostic power of the Solus Ultra Chronicle: The Snap-on Solus Ultra 21

Why it's "interesting":

If someone is listing a used SOLUS Ultra for sale and highlights "21.4 update" specifically, it means: The update refines these protocols, ensuring that the

: Capacity for custom PID lists doubled, allowing technicians to store and revert back to up to 100 different lists. New Troubleshooting Support

Snap-on Cloud Access:

Reports are automatically uploaded to the Snap-on Cloud for easy sharing via email or text.

Snap-on has increasingly pushed toward a connected ecosystem, and the 21.4 update typically includes improvements to Wi-Fi connectivity, data logging, and cloud-based reporting. For the modern shop, the ability to email a pre-repair inspection report or a diagnostic data file to a service writer or customer is paramount. The update refines these protocols, ensuring that the Solus Ultra communicates seamlessly with the shop’s management system and the Snap-on Cloud.