Meet OTR Diagnostics

The simple and easy to use truck diagnostic app

Drive success with precision and prevent downtime with insight.

What do you get?

Fault Code Analysis
Instantly read and reset active and inactive fault codes. Identify what's wrong but also provides detailed insights and recommendations to prevent future issues.

Real-Time Data Monitoring

Monitor everything from engine performance to fuel efficiency, ensuring your fleet operates at its best.

Forced DPF Regeneration

Initiate forced DPF regen with ease. Our solution helps you manage and prevent DPF issues, reducing maintenance costs and avoiding unnecessary downtime.

User-Friendly Interface

Designed with you in mind, our platform is intuitive and easy to navigate, ensuring you can focus on what matters most—keeping your trucks on the road.

Vehicle Coverage

Tap the engine make to view covered years and commands available.

Volvo / Mack
2014 - 2024

Volvo - D11, D13, D13TC, D16 Engines

  • 2014-2024 (Years Covered)
    • Reset fault codes
    • Reset aftertreatment
      • Reset soot level
    • Start forced DPF regen

Mack - MP7, MP8, MP8HE, MP10 Engines

  • 2014-2024 (Years Covered)
    • Reset fault codes
    • Reset aftertreatment
      • Reset soot level
    • Start forced DPF regen

Detroit Diesel
(Freightliner / Western Star)
2008 - 2024

Detroit Diesel - DD5, DD8, DD13, DD15, DD16 Engines

  • 2008-2016 (Years Covered)
    • Reset fault codes
    • Reset aftertreatment
      • Reset ash accumulator
      • Reset scr accumulator
    • Start forced DPF regen
  • 2017-2024 (Years Covered)
    • Reset fault codes
    • Reset aftertreatment
      • Reset ash accumulator
      • Reset scr accumulator
    • Start forced DPF regen

Paccar MX
(Peterbilt / Kenworth)
2011 - 2024

Paccar MX-11, MX-13 Engines

  • 2011-2019 (Years Covered)
    • Reset fault codes
    • Reset aftertreatment
      • Reset EGR Derate
      • Reset 5mph DEF derate
      • Install a cleaned DPF
      • Install a new DPF
      • Purge SCR/DEF Module
    • Start forced DPF regen
  • 2020-2024 (Years Covered)
    • Reset fault codes
    • Reset aftertreatment
      • Reset 5mph DEF derate
    • Start forced DPF regen

Cummins
(All makes)
2008 - 2024

Cummins - X15, X12, ISX, ISC 8.3, ISL 9, ISB 6.7 Engines

  • 2008-2024 (Years Covered)
    • Reset Faults
      • Cummins Fault Codes
      • Reset Generic Fault Codes
    • Reset Aftertreatment
      • Aftertreatment Maintenance Reset ALL
      • Aftertreatment Maintenance Filter Installation
    • Start Forced DPF Regen
      • Aftertreatment Diesel Paticuate Filter Regeneration

Paccar PX - PX-6, PX-7, PX-8, PX-9 Engines

  • 2008-2024 (Years Covered)
    • Reset Faults
      • Cummins Fault Codes
      • Reset Generic Fault Codes
    • Reset Aftertreatment
      • Aftertreatment Maintenance Reset ALL
      • Aftertreatment Maintenance Filter Installation
    • Start Forced DPF Regen
      • Aftertreatment Diesel Paticuate Filter Regeneration

Fault code details

Commands

Live data

Fault code and command history

What others are saying

“This product that I purchased has saved me money. I love this product should have bought it earlier . I do recommend this product to all owner operators.”

Jesus V.

OWNER-OPERATOR

“ A must have tool for owner operators. Can give you an idea of what’s wrong and if in derate it will take it out and let you get to a shop instead of being towed”

Dale P.

OWNER-OPERATOR

“It proved to be amazing OTR performance. It’s so easy to use and very self explanatory. I would recommend it as a handy tool for every trucker. 5 stars ⭐️..”

Deepak R.

OWNER-OPERATOR

60-Day Guarantee

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

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. No bouncing. Real help from real people, when you need us! Contact us via phone, chat, or email anytime.

Limited Lifetime Warranty

Our OTR Diagnostics hardware is backed by a Limited Lifetime Warranty, which is a testament to our commitment to your satisfaction. We understand that your investment in our product is significant, and we want you to be confident that it will perform as designed.