Built for Truck Mechanics, Fleet Managers & Professional DIYers
The iCarsoft HD V4.0 is a rugged yet refined diagnostic scanner designed specifically for heavy-duty trucks and commercial vehicles, while also handling engine fault codes on standard 12V passenger cars via OBDII. With its crystal-clear 5-inch touchscreen, Wi-Fi updates, and dual-function capability, this tool is built for professionals who need reliable diagnostics across a wide range of vehicle types. Supporting 37 heavy-duty brands out of the box and offering advanced service routines, it’s a must-have for technicians, fleet operators, and serious DIYers.
Key Features
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Multi-system diagnostics for Engine, ABS, Airbags, Transmission, and more - including advanced subsystems
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Read and erase fault codes, access ECU version info, and view live data streams in real time
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Supports both Heavy-Duty (24V) and OBDII (12V) interfaces for broad compatibility
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Lifetime free Wi-Fi updates, no subscriptions required
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28 language options for global usability
Service Reset Capabilities
Perform more routine and specialised maintenance with eight built-in service functions:
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DPF Regeneration
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Oil Service Reset
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Injector Coding
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Clutch Matching
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Brake Pad Reset
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SCR System Reset
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Speed Limit Setting
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Cylinder Cut-Out Test
Wide Vehicle Support
Pre-installed with diagnostic coverage for 37 major heavy-duty brands, including Cummins, DAF, Freightliner, Volvo HD, Mack, Peterbilt, Kenworth, and Mercedes-Benz HD. Additional brand libraries can be added through optional software extensions.
Dual Heavy-Duty + OBDII Functionality
The HD V4.0 excels as a true 2-in-1 diagnostic tool:
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Heavy-Duty Vehicles – Full system-level diagnostics across engine, transmission, ABS, SCR, and more.
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Passenger Cars (OBDII) – Engine-related functions including code reading and clearing, live data, freeze-frame, IM readiness, O2 sensor tests, and EVAP leak checks.
Robust Hardware & Connectivity
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5-inch touchscreen display for easy navigation
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Android 8.1 OS with 2GB RAM and 64GB storage
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Bluetooth 5.0 and built-in 3,150mAh battery for workshop or roadside use
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Wi-Fi enabled for quick, one-click software updates
What’s in the Box
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iCarsoft HD V4.0 Main Unit
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Main OBD Cable
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OBD-6, OBD-9, and CAT-9 Adaptor Cables
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Wi-Fi/USB Charging Cable
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User Manual & Carry Case
Why Choose the iCarsoft HD V4.0?
From trucks to cars, the HD V4.0 offers unmatched versatility. It delivers dealership-level diagnostics for heavy-duty vehicles while doubling as a reliable OBDII scanner for standard passenger cars. With eight essential service resets, wide brand support, rugged hardware, and lifetime Wi-Fi updates, it’s the ideal tool for trucking professionals, fleet managers, and serious DIY mechanics.
