Launch X431 has officially released the January 2026 Heavy-Duty Diagnostic Software Update, designed for X-431 PAD V/PAD5 LINK HD and X431 PRO3 LINK HD (X431V+ SmartLink HD).
This update further expands brand coverage and system depth, delivering more stable diagnostics, richer data streams, and enhanced special functions for commercial vehicles and heavy-duty trucks.

Update info:
| Software | Version | Update Info |
| SCANIA | V16.16 | Added thirty special functions;
New add MCC3,TMS3 and SC3 Data stream; Optimize Wabco ELC Generation 1 and Wabco ELC Generation 2 functions. |
| HD_TATA | V10.71 | Synchronized update for TATA models, addressing issues in EMS, Electronic Diesel Control, Common Rail, and Immobilizer systems. |
| HD_FUSO | V18.10 | Added functions for systems including EEC – Engine Electronic Control Unit and EBS – Electronic Braking System under the SuperGreat 21M (6R), SuperGreat 21M (6S), and Superior Great 17MODEL vehicle models;
Added actuation test functions for the IMMO – Immobilizer Control Unit system under the Aero Star 19MODEL vehicle model; Optimized software structure. |
| HD_DFAC | V11.45 | New engine and exhaust gas post-treatment systems were added for Liuzhou Machinery and Kaifeng (National VI), while bug fixes addressed issues in the vehicle body control system and engine system for Dongfeng Electric Drive and Light Engine. |
| HD_ECU | V12.95 | Added WeiChai WiSE, XinFeng read and flash data function;
Added imported models read and flash data function. |
| EV_HD_GEELY_CV | V10.01 | Added the diagnostic function for Fengrui F3E, Fengrui V5E, Xingxiang E6-2018 model, Xingxiang E6-2021 model, Xingxiang E6-2022 model, Xingxiang ESL, Xingxiang V5E/V6E, Xingxiang V5E/V6E-2022 model. |
| EV_HD_RENAULT | V10.10 | New Renault commercial vehicle new energy t BEV, C BEV model diagnosis. |
| HD_DAEWOO | V10.10 | Added basic functions for medium and heavy-duty trucks, medium and light-duty trucks, and Tata Daewoo vehicle models. |
| EV_HD_VOLVO | V10.10 | New Volvo commercial vehicle new energy BOE model diagnosis. |
| HD_CATERPILLAR | V12.45 | Some special functions of the J1939 system have been optimized and added. |
| HD_JOHNDEERE | V10.53 | Optimized scanning process and system name; Added data streams for non-engine system. |
| HD_ZF | V10.55 | Added ReAX system base function;
Optimized TraXon1, Intarder3, Tronic and WSK system. |



