Curious what blue, black or white smoke on your truck means?
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Meet OTR Diagnostics - the modern semi-truck scan tool & more
When the check engine light turns on, it's not just a simple warning. It's a signal that something is going on with your truck.
With OTR Diagnostics, you don't just see the codes; you learn what they really mean. This helps you fix problems quickly and gets your truck back on the road.
✔️ Unlock detailed explanations of each fault code.
✔️ Understand not just the code, but the specific issue and suggested fixes.
✔️ Empower yourself to perform your own repairs with guided diagnostics and easy-to-follow repair suggestions tailored to your truck's specific needs.
Customers love OTR Diagnostics — read why 98% of OTR customers would recommend OTR Diagnostics.
I would recommend this diagnostic tool to any truck driver out there.
— K O311 - Google Review
One of the best apps to keep track of your aftertreatment.
— Michael Erb - Google review
In my opinion this is a must have for any small operation
— Manny Choate - Google Review
I recommend every truck owner / fleet / mechanic should have this device
— Bill Chohan - Google Review
Start taking ownership of your truck diagnostics
Get access to detailed fault code information, monitor real-time live data, perform commands like initiating forced DPF regeneration and track command and fault code history, all from your mobile device.
