We’ll be closed 11/28. Office will be open 11/29 normal hours. Have a safe and Happy Thanksgiving!
BLACK FRIDAY DEAL | SAVE $550
Features
Getting started
Hardware
Getting connected
Owner-operators
Fleets
OTR Diagnostics gives you access to fault code information, real-time live data, and perform bi-directional commands like initiating forced DPF regen.
Click here to learn more
A Closer Look at the Costs of Semi Truck Repair
Read more
4 Key Advantages of Being Your Own Mechanic
Miles of Gratitude: 9 Tips to Better Trucking
8 Most Common Heavy-Duty Truck Failures Caused by Heat
7 Basics of HD Aftertreatment System Explained
What are SA SPN FMI - Beginners guide to fault codes
OTR's Top 4 Blogs
OTR Diagnostics Closer Look - Advanced Fault Codes Explained
What is an OTR Reset Tool? (Explainer)
NOx Sensors Explained on HD trucks
Clogged DPF Filter Warning Signs
Heavy Duty DIY Repairs (Explained)
4.9 Stars | 500+ Google Reviews
Experience a new level of support with our focus on treating you how we would like to be treated.
Limited Lifetime Warranty
We value your investment in our product and want you to feel confident in its performance.
Discover how OTR Diagnostics simplifies your truck's maintenance and prevents expensive future problems.
