Snap-on Solus Ultra 21.4 Update

Report: Snap-on Solus Ultra 21.4 Software Update

• “Still cannot do ADAS calibrations without separate aiming equipment.”
• “No wireless programming for Mercedes 2025+ modules (requires OEM Xentry).”
• “The update took 55 minutes over Wi-Fi on a good connection – use USB.”

Download the software to the PC and then install it onto the tool. Reboot the tool to complete the installation.

Connectivity Limits

: The Solus Ultra cannot connect to newer vehicles using LAN/LIN OBD communication protocols (e.g., Volvo models from 2017/2018 onwards), and hardware updates like new cables do not resolve this limitation. How to Install Updates snap-on solus ultra 21.4 update

: Quick access to hundreds of on-tool CTM classes, now found at the top of the Guided Component Test menu. Expanded PID Lists Report: Snap-on Solus Ultra 21

No software is perfect, and Snap-on listens to technician feedback. Version 21.4 addresses several pain points from previous releases: “Still cannot do ADAS calibrations without separate aiming

The 21.4 update included several enhancements to the on-tool experience:

: Included updates for Alfa Romeo (2018–2020), BMW (Rear-Axle Slip-Angle Control/Brake Flush), and Jeep (2017–2020 Compass). Enhanced Data & Testing