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• Account Activation
• How to Navigate and Use OTR Diagnostics
• How to Get the Most Out of Your OTR Diagnostics Tool: Advanced Tips
• What is a forced regen?
• What is OTR Cloud?
• How to access and use OTR Cloud
• 4 problems OTR Cloud solves for fleet managers

• Downloading OTR Diagnostics
• Creating an Account
• Can I use my OTR Diagnostics subscription on multiple devices?
• What happens if I sell or switch trucks?
• Can OTR Diagnostics do parameter changes? ie, speed limiters, cruise limiters
• Do I have to pay for updates? How do I get updates?
• Can I purchase multiple subscriptions/tools?

See all articles in OTR Diagnostics →

• Can I leave the tool plugged in all the time?
• Do I need the Paccar adapter for my Paccar MX-13 or MX-11 engine?
• The tool only has 8 pins. Will it still work on my 9-Pin diagnostic port?
• What is OTR Link 2?

• iOS and Android Pairing Assistance - OTRL2
• Android Pairing Assistance - BL2
• iOS Pairing Assistance - BL2
• Login Issues
• Login Issues
• Not Receiving Password Reset Email
• App Crashing

See all articles in Technical Assistance →

• Android Release Update
• iOS Release Update

• Hours & Location
• Contact Info
• Shipping
• Warranty
• Return Policy
• Subscription Refund Policy
• How to Place a New Order

See all articles in Customer Support →

• Aftertreatment, Regen, DPF Discussion With Trucking & Fixing With Ryan
• What is your DPF system and how does it work?
• Bad AFTERTREATMENT Shutoff Valve on Volvo D13 Engine
• Below Zero Maintenance
• Clogged DPF Filter Warning Sings
• Cummins DEF System Explained
• Cummins Fault Code 3231 SPN 4360 FMI 0/ SPN 4360 FMI 16

See all articles in Truck Educational Resources →

• Why Choose OTR Diagnostics?
• Cheap tools equals expensive results with a diagnostics tool
• What is the best scan tool for the price?
• OTR Diagnostics vs. Other Semi Diagnostic Tools: A Comparison
• Volvo Truck Diagnostic Tools - PTT and OTR Diagnostics