OTR Remote Diagnostics - Full fleet visibility, 24/7. Talk to a fleet specialist >

See how much downtime your fleet could avoid

Monitor every truck in real-time.

  • Diagnose problems remotely.
  • Send commands from anywhere.

Built for fleet managers who need visibility without waiting on drivers.

6+ yrs
Diagnostic track record
Made in Detroit
Built & assembled in the USA

10,500++

Members

600+

Reviews

4.9

Average Rating

Manage your entire fleet from anywhere

Fleet Dashboard

See all trucks at a glance. Critical, warning, normal, offline. Instantly searchable by truck number or VIN.

Fault Codes + Troubleshooting

View active codes with full troubleshooting info. Reset codes and derates remotely to get trucks moving.

GPS Tracking

Real-time location for every truck. Current speed while driving, last-known position when offline.

Live Data Streaming

DEF level, coolant temp, oil pressure, soot level, boost, and 30+ parameters streaming in real-time.

Remote Regen

Start a forced DPF regen from anywhere. Schedule commands to execute when conditions are right.

Derate Alerts

Know about derates before your driver. See countdown to lockout. Reset derates remotely.

COVERAGE

Works with your trucks

Full support for major diesel engines through 2026 model year.

2011+
Detroit Diesel
View Commands
  • Reset Fault Codes
  • Reset Aftertreatment
  • Reset Ash Accumulator
  • Reset SCR Accumulator
  • Forced DPF Regen
  • Forced SCR Efficiency Regen
2011+
Cummins
View Commands
  • Reset Faults
  • Reset Generic Fault Codes
  • Reset Aftertreatment
  • Aftertreatment Maintenance Reset All
  • Aftertreatment Maintenance Filter Installation
  • Forced DPF Regen
  • Aftertreatment Diesel Particulate Filter Regeneration
  • SCR Performance Test
2011+
Paccar MX
View Commands
  • Reset Fault Codes
  • Reset Aftertreatment
  • Reset EGR Derate
  • Reset 5mph DEF Derate
  • Install a Cleaned DPF
  • Install a New DPF
  • Purge SCR/DEF Module
  • Forced DPF Regen
  • Evaluate the SCR System (EPA17+)
2014+
Volvo
View Commands
  • Reset Fault Codes
  • Reset Aftertreatment
  • Reset Soot Level
  • Forced DPF Regen
  • Forced SCR Regen
  • DEF Crystal Sublimation
  • Reset 5mph derate timers
2014+
Mack
View Commands
  • Reset Fault Codes
  • Reset Aftertreatment
  • Reset Soot Level
  • Forced DPF Regen
  • Forced SCR Regen
  • DEF Crystal Sublimation
  • Reset 5mph derate timers

Already have telematics?

Good. Keep it. Your ELD handles compliance—location tracking, hours of service. OTR Remote Diagnostics handles diagnostics—fault codes, derate alerts, remote commands. Different tools, different jobs. They work together.

Talk to a fleet specialist

Tell us a little about your fleet and we'll show you how OTR Remote Diagnostics can help you diagnose issues faster, reduce unnecessary shop visits, and keep your trucks moving.