Now available! OTR Reset Tool for 2021 - 2023 Volvo and Mack engines. Learn More

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Be One Step Ahead

Get detailed fault code information, monitor vehicle live data, aftertreatment system commands, forced DPF regen and more with the new and improved
OTR Diagnostics v2.

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Advanced diagnostics for the heavy-duty industry.

We offer diagnostics for Cummins, Detroit Diesel, Paccar MX & PX, Caterpillar, Volvo, Mack, & International truck engines.

freightliner
international
peterbilt
cummins
volvo
mack
kenworth
cat

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diagnostics

OTR Diagnostics

App based diagnostics. View fault code, live data, send commands, and much more from your mobile device.

reset tool

OTR Reset Tool

Stand alone device. Send commands via timed delay. No buttons, screen or complicated menus.

How OTR Diagnostics Works

Set up in a few simple steps.

subscriptions

Step 1

Select Subscription Plan, Diagnostic Adapter For Your Engine

adapterconnect

Step 2

Connect Adapter To Vehicle Diagnostic Plug

app

Step 3

Download OTR Diagnostics App For Your Mobile Device

command

Step 4

Begin Using OTR Diagnostics App

Shop OTR Diagnostics

OTR Diagnostics | Professional
OTR Diagnostics | Professional | $1,800 USD NOW: $800 USD 102 reviews
OTR Diagnostics | Cummins
OTR Diagnostics | Cummins | $1,800 USD NOW: $800 USD 28 reviews
OTR Diagnostics | Detroit Diesel
OTR Diagnostics | Detroit Diesel | $1,800 USD NOW: $800 USD 25 reviews
OTR Diagnostics | Paccar MX
OTR Diagnostics | Paccar MX | $1,800 USD NOW: $800 USD 53 reviews
OTR Diagnostics | Volvo & Mack
OTR Diagnostics | Volvo & Mack | $1,800 USD NOW: $800 USD 21 reviews

OTR HQ

Mon - Fri: 8am - 5pm, EST
Saturday: Closed
Sunday: Closed

OTR Performance® Inc.
51619 Industrial Rd. 
Macomb MI., 48042
USA

📞 (586) 799-4375

Get directions

60dayguarantee

60-Day Guarantee

We get it, you don’t know us very well yet. That’s why our products comes with a 60-day, no-hassle, money-back guarantee. If they don't fit your needs for any reason, just let us know within 60 days, and we’ll refund 100% of your purchase price. We’ve got your back.

usasupport

USA Support

Located in Detroit MI, (EST). A truly committed team of trained experts that are there to assist with any customer service, technical support or general questions you may have. No bots. Real help from real people, when you need us! Contact us via phone, chat, or email anytime.