Off Highway Diagnostics

TEXA IDC6 OHW 2026.20 updates 23 off-highway brands, including John Deere, Case IH and New Holland, and adds 11 dashboards, 14 wiring diagrams and 27 technical sheets.

If you’ve recently gotten an email suggesting you’re about to lose support—and that the “only” solution is switching diagnostic brands—take a breath. You’re not the only shop being put in that position, and you’re not stuck. At DEFY DIAGNOSTICS, we’re keeping this...

What if your team could trigger a forced DPF regen from 500 miles away, and get the truck back on route before lunch? Fleets and off-highway operations live and die by uptime. A truck stuck in derate, a loader throwing intermittent DTCs, or a combine with a clogged...

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 not how to use it to make faster, cleaner, safer decisions. Techs and fleet managers need context: severity, first steps,...

Here’s What Code 3712 Means — and How to Fix It Fast If you’ve ever had a Freightliner Cascadia, Kenworth T680, or Peterbilt 579 crawl into the shop stuck at 5 mph, chances are you’ve seen Cummins Fault Code 3712 staring you in the face. This one isn’t just a random...

Introduction Are you tired of juggling multiple scan tools that only do half the job? Or worse—paying steep dealer prices just to reset a warning light? From diesel fleets to sport bikes, marine engines to modern cars, today's vehicles demand smart, flexible...

TEXA covers off-highway vehicles, forklifts, side-by-sides, and more with one powerful platform. Built for versatility across multiple industries.