Full System Diagnosis | DPF Regeneration | ECU Programming
What Techs Say
"Used to wait days for dealer regenerations. Now I do it in 5 minutes. Paid for itself in two months."
Shop Owner
"The tech support is unmatched. They helped me solve a complex ECM mismatch at 10 PM."
Fleet Manager
"Best investment for my Peterbilt. No more towing fees for simple sensor issues!"
Owner Operator
OTOTOOL Diagnostics is designed for owner-operators, small fleets, and technicians. We provide everything you need to own your vehicle.




















