It’s true. Our industry-leading diagnostic tools carry the most advanced software available to give you the power, knowledge and confidence to perform the job right the first time, every time. When you upgrade your diagnostic tool to the all-new Upgrade 16.4, not only are you getting more coverage to take on the toughest jobs, but you’re guaranteeing that your diagnostic tool is always providing the same comprehensive performance it did the day you bought it.

Want the most powerful diagnostics available today? Contact your Snap-on Franchisee or other sales representative or view the Upgrade 16.4 Interactive Vehicle Application Guide here.

New Vehicle Coverage

Power. Knowledge. Confidence. When you upgrade your diagnostic tool to the all-new Upgrade 16.4, not only are you getting more coverage to take on the toughest jobs, but you gain more power, knowledge and confidence.

Upgrade 16.4 gives you the confidence that you’re doing the job right the first time, every time and provides access to exclusive coverage and capabilities never seen before outside of a factory tool:

  • Ford® passive anti-theft system (PATS) key system additions
  • Dodge® / Ram® 4500/5500 series truck coverage
  • Chrysler® electronic limited slip differential
  • Chrysler adaptive front lighting system
  • Ford 6.7L glow plug test
  • Honda® / Acura® integrated motor assist (IMA) system coverage
  • Chrysler TPMS threshold adjustment function
  • Hyundai® / Kia® electronic power steering functions
  • Hyundai transmission adaptations
  • Nissan® / Infiniti® body control module (BCM) configuration

Snap-on adds coverage for enhanced 2016 Domestic and Asian Coverage including GM®, Infiniti, Lexus®, Mazda®, Nissan, Scion®, Subaru®and Toyota® and newly added coverage going back to 1996 for all major makes.

Get new features and coverage, plus all that from previous upgrades!

Plus, each new release includes complete coverage from all previous upgrades. Purchase Upgrade 16.4 and make your tool like new!

Learn more about optional European ‘must have’ coverage:

Snap-on’s optional European software offers new critical systems coverage for and significantly enhanced coverage for Audi®, Alfa Romeo®, BMW®, FIAT®, Jaguar®, Land Rover®, Mercedes-Benz®, MINI®, Porsche®, SMART®, Volkswagen® and Volvo®click here for details.

    Got Questions?

    Get Answers Here
    Car & Light Truck Diagnostics

    Send e-mail
    (800) 424-7226

    Heavy-Duty Truck Diagnostics

    Send e-mail
    Contact us here
    (800) 311-5452

    Request Product Information

    Snap-on Diagnostic Tools and

    Repair Information

    Snap-on is a trademark of Snap-on Incorporated.

    All other marks are marks of their respective holders.

    ©2017 Snap-on Incorporated. All Rights Reserved.

    Got Questions?

    Request Product Information

    Online Product Help Here

    Contact Diagnostic Customer Care

    Send e-mail

    (800) 424-7226

    Mon - Fri 6am - 5pm PST


    Product Registration:

    • US     • Canada


    We welcome your feedback on our website.


    Enter your name:



    Please rate your experience in the following:
    (1 being an unpleasant experience and 10 being exceptional)


     1  2  3  4  5  6  7  8  9  10


     1  2  3  4  5  6  7  8  9  10


    Suggested improvements: