LAUNCH X431

  LAUNCH X431 has officially released the ECU Flash function for select commercial vehicle diagnostic tools. This guide walks you through what ECU Flash (truck) is, how to purchase and activate it on compatible X431 devices, and which vehicles and systems are supported. PART1: What Is the ECU Flash Function? The ECU Flash function enables technicians to perform ECU read/write operations, online programming, and version upgrades across various commercial vehicle systems. This function is crucial for: Resolving software issues; Upgrading ECUs to newer versions; Reprogramming after component replacement; Flashing cross-version engines without dismantling. Supported LAUNCH X431 Devices The ECU Flash feature is available on the following LAUNCH truck diagnostic tools: X431 PAD V ELITE HD / X431 PAD VII ELITE HD (already includes ECU Flash) X431 PRO3 SE HD X431 PRO3 LINK HD X431 V+ SmartLink HD X431 PRO3S+ SmartLink HD Other PRO3 series HD tablets Note: Devices...

 LAUNCH CRP129 series diagnostic tools ( CRP129E / CRP129X ) have been updated to the new V3 version. Compared with the old version, the V3 version adds support for DOIP and CANFD protocols, and the interface has also been updated. This article will compare the differences between the CRP129 V3 series and the V2 series. The difference between CAN protocol and DOIP protocol If the user does not configure the DOIP cable, the vehicle with DOIP protocol cannot communicate. For example, Mercedes-Benz vehicles after 2022 are basically DOIP protocol, and Mercedes-Benz vehicles before 2022 are CAN protocol. As for how to distinguish whether the vehicle is CAN protocol or DOIP protocol, the X431 diagnostic tool will identify it based on the VIN code. If it is a DOIP protocol vehicle, a prompt will appear to connect the DOIP cable. There is another situation, such as Land Rover vehicles that support both CAN protocol and DOIP protocol. During the diagnosis process of such veh...

 When it comes to advanced automotive diagnostic tools, the LAUNCH X431 Pro TT and Kingbolen K10 are two popular choices. Both offer powerful features, but they cater to slightly different needs. Below, we break down their strengths, weaknesses and key differences to help you decide which one is right for you. Why X431 Pro TT is the Smarter Choice for Most Users? More Expansion Modules = Greater Versatility The LAUNCH X431 Pro TT supports 10 expansion modules, including key programming, a multimeter and an IMMO extender — features missing on the Kingbolen K10. If you need advanced functions like immobilizer coding or sensor testing, the Pro TT is the clear winner. Proven Software Reliability Launch has been refining its diagnostic software for years, making the Pro TT more stable in real-world use. While the K10 is catching up, some users report occasional software hiccups. If dependability is a priority, Launch’s maturity gives it an advantage. Better Value for...

  LAUNCH X431 diagnostic software was upgraded on July 16, 2025. This upgrade is mainly for heavy truck software, involving three brands: VOLVO, SCANIA, and DFL. The detailed upgrade log is as follows. HD_VOLVO V18.85 Added system diagnosis and optimized communication. SCANIA V16.10 Add forty new function. Add new forty-six new subsystem. Optimize EBS7 system data stream. Fixed TMS2 conditional algorithm for checking functionality. Fix the security verification of FLC3 and other systems. New add online fault codes and safety algorithms. Optimize EBS7 system data stream. DFL V12.00 Add 10 basic functions of traditional energy systems, as well as optimize the basic and special functions of some systems. Add basic functions of 24 new energy systems. Renew via LAUNCH subscription card or upgrade from X431 MALL.

 LAUNCH X431 series key programming tools can support ID48 chip key cloning. This time we will introduce how to use LAUNCH X431 IMMO tool to clone ID48 chip key. Function description : Clone Volkswagen ID48 chip key, no need to frequently match vehicles. Support products : X431 PRO series: X431 PROS V / X431 V+ / X431 PRO ELITE / Pros Elite / X431 V / PRO3 V+ Elite / PRO3S+ ELITE X431 PRO3S+ / Pro3 ACE / Pro3 APEX / X431 PRO5 X431 PAD series: X431 PAD V / X431 PAD VII / X431 PAD IX X431 IMMO series: X431 IMMO PLUS / IMMO ELITE CRP919BT series: CRP919EBT / CRP919XBT Note : All the above tools need to be used with X431 Key Programmer and ID48 key copy point card to clone ID48 keys. For how to buy ID48 key copy point card, please see: How to buy ID48 chip copy function in LAUNCH X431 MALL . Tested vehicle models : 2010 Volkswagen, VIN Code: LFV2B21K0A**** Operating process: 1. Select [Read Transponder] to enter. 2. Select the [Read Transponder] fun...

  LAUNCH X431 IMMO tool supports copy ID48 chip key. For the ID48 chip key, cloning the key directly is easy to operate and does not require frequent interaction with the car for matching. This function needs to be purchased in X431 built-in MALL. The purchase process can refer to the steps below. Function Description: For the ID48 chip key, cloning the key directly is easy to operate and does not require frequent interaction with the car for matching. Support Products: X431 PRO series: X431 PROS V / X431 V+ / X431 PRO ELITE / Pros Elite / X431 V / PRO3 V+ Elite / PRO3S+ ELITE X431 PRO3S+ / Pro3 ACE / Pro3 APEX / X431 PRO5 X431 PAD series: X431 PAD V / X431 PAD VII / X431 PAD IX X431 IMMO series: X431 IMMO PLUS / IMMO ELITE CRP919BT series: CRP919EBT / CRP919XBT Note : All the above tools need to be used with X431 Key Programmer and ID48 key copy point card(ID48 96bit Token) to clone ID48 keys. Operation process: 1. Enter the [Mall]. 2. Select [...

 When performing vehicle diagnosis, the LAUNCH X431 diagnostic tool may encounter communication problems that cause it to be unable to read and diagnose the vehicle. So how can you test whether the communication is normal? LAUNCH X431 has a built-in CAN BUS test function, which can be used to test the communication. Can Bus Test Function Applicable Equipment: X431 PRO series: X431 PROS V / X431 V+ / X431 PRO ELITE / Pros Elite / X431 V / PRO3 V+ Elite / PRO3S+ ELITE X431 PRO3S+ / Pro3 ACE / Pro3 APEX / X431 PRO5 X431 PAD series: X431 PAD V / X431 PAD VII / X431 PAD IX Tested Vehicle Model: 2020 SAIC Truck Operation Process : 1. Open the X-431 APP, click [ X431 Diagnosis Kit ] -> [ HD Can Bus Test ]. Note : This function is divided into [CAN Bus Pin Detect] and [HD Can Bus Test]. When using, you should select the corresponding vehicle type. This time the test is a truck, so [HD Can Bus Test] is selected. 2. You can see the Can Bus Pin Detection inter...

 I used LAUNCH CRP919E to diagnose Chrysler Hybrid vehicles (2021 Voyager/ Pacifica), successfully read the vehicle identification number (VIN), and unlocked the SGW (I have an SGW license). But the function icons and vehicle logo are grayed out, and I can’t download the electric vehicle software. Now I can’t do anything except read the vehicle VIN code. How can I solve it? Solution: LAUNCH CRP919E does not support hybrid vehicles. Currently, there are two options for LAUNCH X431 to diagnose electric vehicles and hybrid vehicles: Use LAUNCH CRP919 EV tool; Use LAUNCH X431 PAD series tool / PRO5 / PRO3 series tool ( PRO3S+ , PRO3 ACE , etc.) + LAUNCH X431 EV Diagnostic Upgrade Kit (including Activation Card) .