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At OTR Performance, we’ve always believed that truck diagnostics should be fast, reliable, and accessible. Today, we’re raising the bar again with the launch of OTR Assist, the first AI-powered support system built directly into OTR Diagnostics.

With OTR Assist, you don’t just read codes, you understand them, fix them, and make the right call in real time.

What is OTR Assist?

OTR Assist is an industry-first feature inside OTR Diagnostics that brings AI-powered repair intelligence right to your fingertips. Trained on OEM service datasets and enhanced with OTR’s proprietary knowledge models, OTR Assist provides accurate explanations tailored to your truck’s exact year, make, model, and engine.

Think of it as having a diesel technician in your pocket 24/7, ready to walk you through fault codes, repair steps, and advanced commands with unmatched accuracy and confidence.

Key features of OTR Assist

Industry-first AI integration

The only heavy-duty diagnostic platform with built-in AI guidance.

Trained on OEM data

Accurate, OEM-backed explanations tailored to your truck.

AI-powered fault code explanations

Translates SPN, FMI, and manufacturer codes into clear, everyday language.

Step-by-step troubleshooting

Walks you through repair paths while connected to your truck.

Command guidance

Helps you decide when to run advanced commands like forced DPF regens, SCR evaluations, derate resets, and reset codes.

Interactive Q&A

Ask questions about your truck and get precise answers instantly.

Continuously updated

OTR Assist learns and improves with new OEM data and real-world repair feedback.

Why it matters

Save time – Get instant answers, cut downtime, and stay on the road.

Save money – Avoid unnecessary shop visits by knowing what you can fix yourself.

Peace of mind – Eliminate the guesswork with OEM-backed explanations.

Always there – Built directly into OTR Diagnostics, ready whenever you are.

Innovation that lasts – The first AI-powered heavy-duty diagnostic platform, changing the way drivers approach repairs.

Who it’s for

Owner-operators – Independent drivers who want reliable answers without dealer visits.

Company drivers – Gain confidence in what fault codes mean and what steps to take.

Technicians – Accelerate troubleshooting and confirm repair decisions with AI-powered accuracy.

The next step in diagnostics

OTR Assist is the first AI-powered support system built into OTR Diagnostics. Trained on OEM datasets and enhanced with proprietary repair intelligence, it knows your exact year, make, model, and engine. As you troubleshoot fault codes, OTR Assist is there to give you OEM-accurate explanations, guided repair steps, and confidence in every decision you make.

Try OTR Assist today

OTR Assist is available now inside OTR Diagnostics Pro Package.

Your truck. Your answers. Instantly.