HD V3.0
HD V3.0 is iCarsoft’s 2-in-1 diagnostic scanner for heavy-duty trucks and passenger cars. It speaks the SAE J1939 & J1708 truck protocols and deep-scans elite heavy-duty makes such as Cummins, Caterpillar, Detroit and Allison.Housed in a rugged button-operated handheld with a 2.8-inch TFT color screen, it delivers full-system scans, live data graphing and a built-in DTC library — with lifetime free software updates over USB.
Built for the truck yard, not just the driveway.
One button-operated scanner that covers both sides of the yard — the semi out back and the pickup out front. Plug in, deep-scan every system, graph the live data, and clear the code before the coffee gets cold.
Eighteen-wheelers and daily drivers — one tool speaks both.
The iCarsoft HD V3.0 is a professional, high-performance 2-in-1 diagnostic tool engineered for heavy-duty trucks and passenger vehicles. Supporting standard protocols SAE J1939 & J1708, it delivers full-system deep scans for elite heavy-duty makes including:
From Engine and ABS to Transmission and Fuel Systems, the HD V3.0 provides dealership-level data analysis, empowering fleet managers, mechanics, and DIYers to troubleshoot instantly, perform self-repairs, and cut costly downtime.
Core Diagnostic Capabilities:
Full OBDII/EOBD Functions
All-System Deep Scanning
Read & Clear DTCs (Diagnostic Trouble Codes)
Real-Time Live Data Stream
Freeze Frame Data Capture
ECU Information Retrieval
Advanced Battery Health Test
Pay once. Upgrade forever.
Say goodbye to hidden subscription fees. Unlike competitors that charge annual renewal fees, the iCarsoft HD V3.0 includes lifetime free online updates. Keep your device armed with the latest software patches and expanding vehicle coverage.
No subscription fees, ever
No renewals, no unlocks, no paywalls
Simple USB delivery
Plug into a PC, refresh, unplug — done
New patches & growing coverage
Continuously released as vehicles evolve
UPDATE PLANBuilt for gloved hands and long shifts.
Out-of-the-Box Ready
Tactile Navigation
Vibrant Display
Beginner-Friendly
Global Accessibility
See the fault the moment it happens.
Ten test modes, one goal — lights out on the CEL.
Easily diagnose and turn off the Check Engine Light (CEL). The HD V3.0 supports all 10 standard OBD2 test modes to resolve emission and drivability issues:
From cryptic diesel code to a clear next step.
Whether you manage a commercial fleet or work as a DIY mechanic, the HD V3.0 simplifies your workflow. Translate complex diesel trouble codes into actionable insights instantly, allowing you to understand the specific mechanical issues and complete repairs much faster.
Two generations, side by side.
Not sure which one fits your bay? Here is the full feature-by-feature comparison.
| Feature | This model HD V3.0 | Upgraded successor HD V4.0 |
|---|---|---|
| Coverage | All trucks with standard protocols | 37 Vehicle Makes +34 additional vehicle makes by extra charge |
| Display Size | 2.8 inches | 5 inches |
| Interaction | Physical Buttons | Physical Buttons+Touchscreen |
| System Access | Full systems | Full systems |
| Update Method | USB | Wi-Fi |
| OBD-6 Adapter | ||
| OBD-9 Adapter | ||
| CAT-9 Adapter | — | |
| Free Lifetime Updates | ||
| DPF Regeneration | — | |
| Oil Service Reset | — | |
| Injector Coding | — | |
| Clutch Matching | — | |
| Brake-pad Reset | — | |
| SCR Aftertreatment Reset | — | |
| Speed Limit Reset | — | |
| Cylinder Cut Out Test | — |
Numbers that survive the workshop floor.
Open the case — ready on day one.
Asked at the counter, answered here.
A: This is usually caused by a loose connection. Turn off the scanner, securely reconnect it to the vehicle’s diagnostic port, and power it back on.
A: Yes. This is a normal phenomenon caused by temporary electromagnetic interference and voltage fluctuations during engine ignition.
A: Please ensure the vehicle battery voltage is stable. Then, check that the ignition is ON, the throttle is closed, the transmission is in Neutral/Park, and the engine is at normal operating temperature.
A: A massive number of codes is typically triggered by a poor wiring connection, low battery voltage, or a faulty circuit ground rather than actual mechanical failures.
A: The HD V4.0 is the upgraded successor to the HD V3.0. It transforms the traditional button-operated scanner into a smart 5" Android touchscreen device, adding convenient one-click Wi-Fi updates and with 8 service reset functions.
Available through authorized sellers.
The iCarsoft HD V3.0 is sold through authorized iCarsoft sellers worldwide. Contact our team to confirm compatibility for your truck or car, check stock, or get a volume quote for your fleet.
Interested in the HD V3.0?
This page is for product information. Tell us what you need and our team will get back to you shortly — to confirm vehicle compatibility, request a quote, or find your nearest authorized dealer.
- Compatibility check for your truck or car before you buy
- Volume pricing for fleets, workshops and dealerships
- Response within one business day from a real specialist
Want to become a dealer? Apply to partner →
By submitting, you agree to be contacted about this inquiry. We never share your information.