LAUNCH X431 Truck Diagnostic Software Update (October 2026)
The latest October 2026 update patch for the LAUNCH X431 truck diagnostic software has been released. Users of X431 PRO3 or X431 PAD devices who […]
LAUNCH SmartLink HD
LAUNCH X431 PRO3 HD: VIN Programming on Isuzu Qingling Truck
This article explains how to use the LAUNCH X431 PRO3 HD tool (PRO3 V+ HD / PRO3S+ HD) to perform the VIN programming function on […]
LAUNCH X431 Tool: Perform DPF Reset on 2021 Sinotruk Howo
If the DPF is completely clogged and requires replacement, the DPF value in the vehicle’s computer must be reset after the new filter is installed. […]
LAUNCH X431 Tool: Perform DPF Regeneration for Sinotruk Howo
This article explains how to perform DPF regeneration on a 2021 Sinotruk Howo using the LAUNCH X431 truck diagnostic tool. NOTE: Any X431 PRO […]
LAUNCH X431 PRO3 HD: Test Compressed Air Valve on Sinotruk Wangpai 737
This article will introduce how to use the LAUNCH X431 V+ SmartLink HD to test the Compressed Air Valve on a 2024 Sinotruk Wangpai 737. […]
LAUNCH X431 Update: Add More Truck & EV Models Supprot
Software upgrades for LAUNCH X431 heavy-duty trucks and electric vehicles have been released. This upgrade applies to the LAUNCH X431 V+ SmartLink HD and LAUNCH […]
How to Test Cylinder Cutout on 2020 Foton Aumark with Launch X431 PAD?
For engine running issues related to cylinder performance, the Cylinder Cutout Test helps check how each cylinder responds during operation. On the 2020 Foton Aumark, this […]
LAUNCH X431 PAD HD: Engine State Test on 2020 Foton Aumark
LAUNCH X431 truck diagnostic tools can perform active tests on light-duty and heavy-duty trucks. For example, we can use “Engine State Monitor” to check the […]
LAUNCH X431: Reset SCR Long-Term Adaptation on 2020 Chrysler RAM 1500
On a 2020 Chrysler RAM 1500, the LAUNCH X431 PRO3 HD can be used to reset the SCR (Selective Catalytic Reduction) long-term adaptation factor. The […]
LAUNCH X431 Truck Tool: Writes Injector Codes on DF Truck
This article describes how to use the LAUNCH X431 truck diagnostic tool to write injector codes for a Dongfeng (DF Truck) Chenglong H5. Function […]
LAUNCH X431 V+ HD: Replace 2025 Toyota Hilux Brake Pads
Brake pad replacement on the 2025 Toyota Hilux requires ABS service mode activation through a diagnostic tool. This function is supported across the LAUNCH X431 […]
LAUNCH X431 PAD Write VIN for ISUZU TAGA Truck
The LAUNCH X431 truck diagnostic tool can write VINs to vehicles. This article will use a 2022 Isuzu TAGA as an example to illustrate how […]
2021 Genlyon C6 OBD Light Test with Launch X431 PAD V Elite HD
If the OBD indicator needs to be checked on a 2021 Genlyon C6, the test can be performed directly using the Launch X431 PAD V […]
LAUNCH X431 Truck Software Update Log (June 2026)
The following details the commercial vehicle diagnostic software update for LAUNCH X431 tools (released in June 2026). This update applies to diagnostic devices with 8-inch […]
How to test if truck System Lamp are lit normally with LAUNCH X431?
Most modern trucks perform a brief system self-check on the dashboard when the ignition switch is on (ON) but the engine is not running. If […]