Description
The THINKTOOL HDMOD is a specialized diagnostic expansion designed to bridge the gap between passenger vehicle diagnostics and heavy-duty commercial vehicle service. It functions as a communication interface that allows your existing THINKTOOL diagnostic tablet to communicate with 24V systems, providing OE-level diagnostics for over 74+ heavy-duty brands worldwide.
Product Overview
The THINKTOOL HDMOD is an essential add-on for workshops looking to service trucks, buses, and industrial machinery. It functions as a communication interface that allows your existing THINKTOOL diagnostic tablet to communicate with 24V systems, providing OE-level diagnostics for over 74+ heavy-duty brands worldwide.
Core Functions
Full System Diagnostics
Perform deep scans of the Engine, Transmission, ABS, SRS, Instrument Cluster, and Aftertreatment systems.
Bi-Directional Control
Execute actuation tests to verify the integrity of components like fuel pumps, EGR valves, and cooling fans.
Special Maintenance Functions
DPF Regeneration — forced cleaning of the Diesel Particulate Filter
Injector Coding — writing new injector codes into the ECU after replacement
AdBlue / SCR Reset — testing and bleeding the AdBlue circuit
Speed Limit Adjustment — calibrating or resetting vehicle speed governors
Parameter Calibration — adjusting idle speed, cruise control, and PTO settings
Technical Specifications
Attribute Details
Voltage Range 12V to 24V (Automatic Switching)
Communication Bluetooth, Wi-Fi, or USB Wired Connection
Compatibility Master, Master 2, Master X, MAX, and Euro Series
Protocol Support J1939, J1708, CAN FD, and standard HD-OBD
Extensive Vehicle Coverage
The HDMOD covers the majority of commercial vehicles found in South Africa, including:
Trucks
Mercedes-Benz (Actros / Axor), MAN, Scania, Volvo, DAF, IVECO, Isuzu (N-Series), Hino, and UD Trucks.
Buses
Mercedes-Benz, Scania, and MAN bus chassis.
Agricultural & Construction
Support for Case, New Holland, and Caterpillar (via specific adapters).
What’s in the Box
HDMOD VCI Unit
Type-C to USB Cable
Heavy-Duty Adapter Kit (includes 6-pin, 9-pin, and various manufacturer-specific connectors)
Activation Card (for the Heavy-Duty software suite)
Rugged Carrying Case
Important Note
This module requires an active Heavy-Duty software subscription on your ThinkTool device to function







