Here are the top highlights and why this update is essential for keeping your tool in the game. 1. The "Last Hurrah" for Vehicle Coverage As the terminal update for the SOLUS Ultra
If you find the makes your device feel sluggish, perform a "Cold Boot" (hold the power button for 10 seconds, release, then press again) to clear the RAM cache. This solves 90% of performance issues.
: ABS, TPMS, and Electric Power Steering functions for 2017–2020 Compass models. Component Testing 91,000 new component tests
He rushed back to the SUV and plugged the Solus Ultra back in. This time, the scanner roared to life, flawlessly communicating with the vehicle's complex brain. Hank navigated straight to the live data stream. Within 45 seconds, the Solus Ultra highlighted a microscopic voltage drop in the cylinder 4 ignition coil—a defect so small the vehicle's own dashboard hadn't even triggered a hard check engine light yet.
If your scan tool is running an older version, such as 18.4 or 20.4, upgrading to 21.4 unlocks major software advantages:
When you search for a , you will see three price tiers. Here is the brutal reality of what happens if you cheap out.
: Introduced the Genesis brand with full support for G70, G80, G90, GV70, and GV80 models.
One common complaint about older scan tools is boot lag. The 214 firmware patch specifically addresses memory allocation:
By 2025, over 15% of vehicles on the road will be hybrid or electric. Version 214 is the first Solus Ultra update that fully integrates and battery cell balancing data for the latest Ford Mustang Mach-E, Tesla (via OBDII), and Hyundai Ioniq models. Without this update, your Solus Ultra cannot read HV contactor status.
Snap-on listened to user feedback. The 214 update optimizes the Linux-based operating system. Users report a 20% faster boot-up time and nearly instant vehicle identification (Auto-ID) compared to version 212 or 213.
This is usually a decompression error.
: For users on older versions (e.g., 14.2 or 17.2), the jump to 21.4 can be expensive—often costing as much as the used market value of the scanner itself. SNAP ON SOLUS LEGEND 21.4 TOUCH DIAGNOSTIC EESC336