Snap-on Solus Ultra 21.4 Update -
The update includes more specific PID data for late-model Ford and GM trucks, particularly in diesel exhaust fluid (DEF) systems and particulate filter (DPF) regens. 2. Body Control Module (BCM) Access
Connect the tool to the PC via USB and select from the tool's Utilities menu. snap-on solus ultra 21.4 update
, which offer features the Ultra lacks, such as over-the-air (Wi-Fi) updates and larger touchscreens. Technical Resources Official Documentation Snap-on 21.4 Pocket Guide provides a full breakdown of the software features. User Community The update includes more specific PID data for
Furthermore, the update often addresses minor bugs related to Bluetooth pairing with the VCI (Vehicle Communication Interface) module. A dropped connection mid-diagnosis is a professional embarrassment; the stability patches included in 21.4 aim to eliminate that friction. , which offer features the Ultra lacks, such
This improvement reduces diagnostic time significantly. Instead of spending twenty minutes searching a service manual for the location of a crankshaft position sensor on a 2022 Honda Accord, the technician uses the updated Solus to navigate directly to the component, view connector pinouts, and execute a specific test. Time saved is money earned; the 21.4 update streamlines the diagnostic pathway from symptom to solution.
A standout example: For the recurring P0420/P0430 (catalyst efficiency) codes on 2022-2024 Honda Pilot and Passport, the update now provides a specific test plan for evaluating the secondary air injection system before condemning the catalytic converter—saving shops thousands in unnecessary part replacements.
: Offers enhanced support and reporting for Advanced Driver Assistance Systems (ADAS) for several makes, including Audi, BMW, and Toyota. Technical Limitations & Support Status