Blog Posts

Diesel Laptops vs Dealer Diagnostics: Cost & Time Comparison
Diesel Laptops vs Dealer Diagnostics: Cost & Time Comparison
Dealer diagnostics cost fleets thousands in downtime and service fees. Discover how diesel laptops from TruckTech Diagnostics let you clear codes, run regens, and keep trucks moving — without the... Read more...
🚛 Why Every Trucking Business Needs Its Own Diesel Diagnostic Tool
🚛 Why Every Trucking Business Needs Its Own Diesel Diagnostic Tool
Dealership downtime is costing your fleet money. Learn why every trucking business needs its own diesel diagnostic tool, how it saves thousands in repairs, and why TruckTech Diagnostics kits are... Read more...
The Most Common SPN Fault Codes—and What They Really Mean
The Most Common SPN Fault Codes—and What They Really Mean
Struggling with SPN fault codes like 5246 or 3719? Learn what the most common SPN codes mean, how they affect your truck, and what steps to take before you hit... Read more...
What to Do When Your Truck Goes Into 5 MPH Derate
What to Do When Your Truck Goes Into 5 MPH Derate
Stuck in a 5 MPH derate? Learn what causes it (SPN 5246, SPN 3719, SPN 4364), how to run a forced regen, and why you need a dealer-level diesel diagnostic... Read more...
Forced Regen vs Passive Regen: What Your Laptop Tool Needs to Do
Forced Regen vs Passive Regen: What Your Laptop Tool Needs to Do
Passive regen isn’t enough to keep your DPF clean. Learn why fleets and owner-operators need a diesel laptop that can run forced regens, reset DPFs, clear fault codes, and handle... Read more...
Diesel Laptop Buying Guide: Best Picks for Heavy-Duty Truck Diagnostics
Diesel Laptop Buying Guide: Best Picks for Heavy-Duty Truck Diagnostics
Discover why fleets and owner-operators choose Truck Tech Diagnostics. Our diesel laptops save thousands per year by running forced regens, clearing codes, and resetting DPF, EGR, and DEF systems —... Read more...