⚙️ Adjust or Reset the Speed Limiter on Peterbilt Truck
Looking to reset or raise/lower the speed governor on your Peterbilt? This tool makes it possible — right from the driver's seat.
With this diagnostic tool, you can access the ECM settings that control speed parameters. This is a game-changer for:
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Independent truckers who want more speed on open roads
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Fleets needing to reprogram for new driving conditions
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Owners who purchased used trucks with unwanted limits set
No subscriptions or laptops needed. Just plug in and go — all from the handheld device.
👉 Works with your Peterbilt, just select your model from the drop down box above to order.
🔧 Advanced Special Functions — Beyond Just Speed Limiting
This diagnostic tool for your Peterbilt isn’t just about speed. It’s packed with powerful maintenance and service functions, including:
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🔥 DPF Regeneration: Force regen right from the tool
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🛢 Oil Maintenance Reset: Reset service lights after oil changes
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💉 Injector Coding: Code new injectors after replacement
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🧪 DEF System Reset: Clear DEF-related errors and resets
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📈 Live Data Stream: Shows live sensors data and provides data graphing for intuitive diagnostics and monitoring your vehicle performance/parameters.
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These functions put dealership-level power into your hands — without the cost.
📊 Full-System Peterbilt Diagnostics Coverage
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This tool gives you comprehensive diagnostics across all key Peterbilt systems, including:
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✅ Engine
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✅ Transmission
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✅ ABS Brakes
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✅ Airbags (SRS)
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✅ Body Control Modules (BCM)
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✅ Instrument clusters
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✅ TPMS (Tire Pressure Monitoring System)
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✅ SRS (supplemental Restraint System)
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✅ Fuel system, emissions, and more
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✅ Aftertreatment
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✅ Chassis
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✅ Body Controller
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✅ Live data, emissions, and more
Quickly read and clear fault codes, view live data streams, and perform real-time diagnostics.
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Built for Truckers, Fleets & Mechanics Alike
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📦 Plug-and-play with software installed and adapters to fit your model Peterbilt
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📱 Large, easy-to-use screen interface
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🔄 Lifetime free updates via WiFi package Includes
📦 Package Includes
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Main Unit for your Peterbilt
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6-Pin & 9-Pin Heavy-Duty Adapters
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OBD2 Diagnostic Cable
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USB Cable (for charging & updates)
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User Manual
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Protective Storage Case
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1-Year Warranty
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Free Lifetime Software Updates
Read & Clear Trouble Codes
Range of Special Functions
Full System Coverage
Reviews
Michael F.
★ ★ ★ ★ ★
"Finally removed the speed limiter on my truck — worked exactly as promised. Saved me a trip to the dealer!"
Jesse S. - Stanford Trucking
★ ★ ★ ★ ★
"Great tool for the price. Did a DPF regen and cleared a DEF error in minutes. Super easy to use"
Sam D. - Thinkbig Transport
★ ★ ★ ★ ★
"Plugged in, adjusted speed settings, and ran a full diagnostic in one go. Best tool I’ve bought for the truck."