What industries do TEXA tools from Defy Diagnostics support?

TEXA diagnostic tools support diesel trucks, off-highway construction and ag equipment, marine engines, Powersports, and more — all from a single platform.

Is technical support included with purchase?

Yes, we provide U.S.-based technical support with every purchase, including setup guidance and ongoing product assistance.

Do you offer financing for diagnostic tools?

Yes, we offer flexible financing options through our partners, making it easier for shops and fleets to get the tools they need now.

What is IDC6 software?

IDC6 is TEXA’s diagnostic software platform that provides deep OEM-level diagnostics, bi-directional controls, and real-time troubleshooting capabilities across multiple industries.

Are GYS chargers compatible with hybrid and EV platforms?

Yes, GYS battery chargers and support units are designed for modern vehicles, including hybrid and electric platforms.

Do GYS supercapacitor boosters require an internal battery?

No, GYS GYSCAP boosters use supercapacitor technology and do not rely on an internal battery, ensuring reliability and long service life.

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PFA: A Class Every Fleet Manager Should Experience

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Proud to Join NAFA: Strengthening Our Commitment to Fleet Excellence

Oct 15, 2025 | Fleet Maintenance & Management, Industry News & Updates

At Defy Diagnostics, we’re proud to announce our membership with NAFA — the National Association of Fleet Administrators — a leading authority in...

Recapping The Utility Expo 2025: Rain, Relationships, and Real Results

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INTRODUCTION The 2025 Utility Expo in Louisville, Kentucky, is officially in the books, and what a week it was. From the moment the doors opened...

DTC Codes, Decoded: Pro Guide & Our New Library

Oct 7, 2025 | Automotive Diagnostics, Heavy Duty Diagnostics, Off Highway Diagnostics, Tech Tips & Troubleshooting

Ever cleared a code, took a test drive, and watched that light pop right back on? You’re not alone. Most code lists explain what a DTC means, but...

Utility Expo 2025: Our Game Plan, Must-See Tech & Where to Eat

Oct 3, 2025 | Industry News & Updates, Fleet Maintenance & Management, Heavy Duty Diagnostics

If you work in fleet maintenance, utilities, or heavy equipment, The Utility Expo is basically the Super Bowl: 1.5M sq. ft. of gear, 21k+ attendees,...

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Premium TEXA Diagnostic Tools for Every Industry

Shop top-rated diagnostic solutions for diesel, commercial truck, off-highway, marine, and Powersports — all powered by TEXA’s IDC6 software.

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Why Choose Defy Diagnostics?

Authorized TEXA Dealer
Powered by Industry-Leading IDC6 Software
U.S.-Based Technical Support
Flexible Financing Options
Fleet Maintenance & Volume Discounts
Fast Shipping + Lifetime Account Access

Diagnostic Tools by Industry

Diesel & Commercial Truck

Scan and diagnose Freightliner, International, Volvo, Peterbilt, and more with deep OEM-level coverage.

Off-Highway & Heavy Equipment

Complete diagnostics for CAT, Komatsu, John Deere, and other construction or agricultural equipment.

Marine Engines

Marine scan tools with real-time diagnostics for Yamaha, Mercury, Volvo Penta, Suzuki, and more.

Powersports & Small Engines

Universal tools for ATVs, motorcycles, UTVs, and snowmobiles. Ideal for dealers and repair shops.

Expert Support from Purchase to Post-Sale

When you choose Defy Diagnostics, you’re backed by technicians who understand real-world diagnostic challenges. Whether you need help getting started or want help with renewals, we’re here to support your success.

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