iCarsoft HD V4.0 Heavy Duty Truck Scan Tool

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

Multi-system diagnostics for Engine, ABS, Airbags, Transmission, and more - including advanced subsystems

Read and erase fault codes, access ECU version info, and view live data streams in real time

Supports both Heavy-Duty (24V) and OBDII (12V) interfaces for broad compatibility

Lifetime free Wi-Fi updates, no subscriptions required

28 language options for global usability Service Reset Capabilities

Perform more routine and specialised maintenance with eight built-in service functions:

DPF Regeneration

Oil Service Reset

Injector Coding

Clutch Matching

Brake Pad Reset

SCR System Reset

Speed Limit Setting

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

The HD V4.0 excels as a true 2-in-1 diagnostic tool:

Heavy-Duty Vehicles – Full system-level diagnostics across engine, transmission, ABS, SCR, and more.

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

5-inch touchscreen display for easy navigation

Android 8.1 OS with 2GB RAM and 64GB storage

Bluetooth 5.0 and built-in 3,150mAh battery for workshop or roadside use

Wi-Fi enabled for quick, one-click software updates What’s in the Box

iCarsoft HD V4.0 Main Unit

Main OBD Cable

OBD-6, OBD-9, and CAT-9 Adaptor Cables

Wi-Fi/USB Charging Cable

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.