The iCarsoft HD V4.0 is a powerful diagnostic tool for heavy-duty trucks and OBDII vehicles, featuring a 5-inch touchscreen, lifetime free Wi-Fi updates, and support for 37 vehicle brands. With 8 service reset functions like DPF regeneration and injector coding, it’s ideal for truck mechanics, DIYers, and fleet managers. Explore its multi-system diagnostics, multi-language support, and robust hardware at icarsoft-us.com.
We’re thrilled to announce the launch of the iCarsoft HD V4.0 Multi-System Heavy Duty Vehicle Diagnostic Tool, the latest innovation from iCarsoft Technology Inc. Designed for truck mechanics, DIYers, and professionals, this advanced 5-inch touchscreen scanner is the enhanced successor to the HD V3.0, offering unparalleled diagnostic personally for heavy-duty vehicles and OBDII-compliant cars.
Why Choose the iCarsoft HD V4.0 Heavy Duty Diagnostic Scanner?
The iCarsoft HD V4.0 is engineered to deliver professional-grade diagnostics for a wide range of heavy-duty trucks, commercial vehicles, and passenger cars. Whether you’re troubleshooting complex systems or performing routine maintenance, this tool ensures precision and efficiency.
1. Comprehensive Multi-System Diagnostics
The iCarsoft HD V4.0 Heavy Duty Scanner performs in-depth scans across multiple vehicle systems, including:
- Engine
- ABS
- Airbags
- Transmission
- Advanced systems like suspension, braking, and fuel systems
Features include reading and clearing fault codes, viewing live data streams, and accessing ECU version information.
2. Pre-Installed Support for 37 Vehicle Brands
The HD V4.0 comes pre-loaded with diagnostic software for 37 major heavy-duty vehicle brands, including Cummins, DAF, Mercedes-Benz (HD), Volvo (HD), and Freightliner. Optional extension software packages are available for additional coverage.

3. Eight Hot Service Reset Functions
The iCarsoft HD V4.0 offers eight specialized reset functions:
- DPF Regeneration: Restore diesel particulate filter performance.
- Oil Reset: Reset service indicators after oil changes.
- Injector Coding: Program new injectors.
- Clutch Matching: Ensure smooth clutch operation.
- Brake-Pad Reset: Reset brake pad indicators.
- SCR Reset: Reset selective catalytic reduction systems.
- Speed Limit Reset: Adjust speed limit settings.
- Cylinder Cut Out Test: Diagnose cylinder-specific issues.
4. Dual Functionality: Heavy Duty and OBDII Diagnostics
The iCarsoft HD V4.0 is a 2-in-1 scanner for heavy-duty trucks, offering features like reading and clearing fault codes, O2 sensor tests, EVAP system tests, and I/M readiness status checks.
5. Lifetime Free Wi-Fi Updates
Unlike other tools, the iCarsoft HD V4.0 offers lifetime free updates via Wi-Fi, ensuring compatibility with new vehicle models.
6. Multi-Language Support
The HD V4.0 supports 28 languages, including English, German, Spanish, and Japanese, making it accessible globally.
7. Robust Hardware and Specifications
Built for durability, the HD V4.0 features Android 8.1, 2GB memory, 64GB storage, and a 5-inch touchscreen. It includes three OBDI adaptors (OBD-6, OBD-9, CAT-9) and supports protocols like J1939 and CANFD.
8. Complete Packing List
The package includes a carry case, main unit, cables, adaptors, and a user’s manual.
Who Should Use the iCarsoft HD V4.0?
Perfect for truck mechanics, DIYers, fleet managers, and auto shops handling both trucks and cars.
Frequently Asked Questions
What vehicles are compatible with the iCarsoft HD V4.0?
The HD V4.0 supports 37 pre-installed brands like Cummins, Volvo (HD), and Freightliner, plus OBDII-compliant vehicles (post-1996 petrol, post-2004 diesel).
Does the HD V4.0 require paid updates?
No, the iCarsoft HD V4.0 offers lifetime free Wi-Fi updates, unlike many other scanners.
Can I add more vehicle brands?
Yes, optional extension software packages are available. Contact icarsoft-us.com for details.
What are the key reset functions?
The HD V4.0 includes DPF regeneration, oil reset, injector coding, clutch matching, brake-pad reset, SCR reset, speed limit reset, and cylinder cut-out test.
Get Your iCarsoft HD V4.0 Today!
Equip yourself with the iCarsoft HD V4.0 Multi-System Heavy Duty Vehicle Diagnostic Tool. Order now at icarsoft-us.com!
Disclaimer: Always refer to your vehicle’s service manual before performing diagnostic or maintenance procedures.