LAUNCH X431

  LAUNCH X431 PRO3S+ Elite is a professional diagnostic tablet for advanced vehicle repair. This FAQ provides quick solutions for common issues like power saving, ECU communication, and SmartLink Diag setup, helping you maximize the tool’s performance. About X431 Diagnostic Tablet 1. How to save power? (1)Please turn off the screen while the X431 PRO3S+ Elite tool keeps idle. (2)Set a shorter standby time. (3)Decrease the brightness of the screen. (4)If WLAN connection is not required, please turn it off. 2. Communication error with vehicle ECU? Please confirm: (1)Whether the VCI device is correctly connected. (2)Whether ignition switch is ON. (3)If all checks are normal, send vehicle year, make, model and VIN number to us using Feedback feature. 3. Failed to enter into vehicle ECU system? Please confirm: (1)Whether the vehicle is equipped with this system. (2)Whether the VCI device is correctly connected. (3)Whether ignition switch is ON. (4)If all checks...

 LAUNCH X431 comprehensive diagnostic tool allows you to re-match your vehicle’s control system after replacing a module. For example, if you replace your tires with larger or smaller ones, you can use the LAUNCH X431 diagnostic tool to re-match your vehicle so that the system recognizes the new tire size. This article explains how to do this. Function Description: This program is used to update the vehicle tire size. Supported Equipment: LAUNCH’s full range of comprehensive diagnostic equipment, such as the LAUNCH X431 PRO3 series and X431 PAD series . Equipment used in this article: LAUNCH X431 PAD IX Tested model: Ford/ 2017/ Edge/ Galaxy/ s-MAX Operation process: 1. Connect the diagnostic tool to the vehicle. On X431 PAD , choose [Local Diagnose]. 2. Select [FORD] to test. Make sure the Ford Diagnosis software version is V50.52 or above. 3. Choose [Automatically Search] to identify car models automatically, choose [OK]. 4. Check the vehicle information, Ch...

 The driver’s door of a vehicle can control all the windows. If this module malfunctions, the LAUNCH X431 diagnostic tool can be used for initialization. This article will guide you on how to reset the power window control system on the driver’s door of a Ford Nautilus using the LAUNCH X431 PAD V ELITE. Function description: This program will perform a full up and down travel of the window to learn the upper and lower stop positions and soft stop positions to initialize the driver power window. NOTE: This function is used to reset the power window software control. If the vehicle’s power window components are damaged, this function may not solve the problem. It is recommended to replace the power window components. LAUNCH X431 tools that support this function: LAUNCH’s full range of comprehensive diagnostic tools, such as the PRO3 series and PAD series . Diagnostic tool used in this example: LAUNCH X431 PAD V ELITE Tested model: Ford/ 2023/ Nautilus, VIN: LVSH...

  LAUNCH SmartLink supports remote diagnostics, allowing a professional technician to complete diagnostic requests initiated by a SmartLink C user on SmartLink B. This article will use a technician’s perspective to repair a McLaren 570S window fault using SmartLink B. The user requesting remote diagnostics uses the following device: LAUNCH SmartLink C . The technician receiving remote diagnostics uses the following device: LAUNCH SmartLink B ; McLaren Vehicle Diagnostic Tool. Operation process: 1. Receiving a Remote Request A user using LAUNCH SmartLink C submits a remote assistance request. A technician using SmartLink B will connect and pair with SmartLink C via code connection. 2. Full Vehicle Quick Scan Connect the official McLaren diagnostic tool to SmartLink B. Run a full vehicle quick scan to identify fault codes. 3. Clearing Fault Codes Access the left and right door control modules. Clear all existing fault codes. 4. Window Calibration First, enter...

 We had the opportunity to test four popular diagnostic scan tools on an Alfa Romeo Stelvio Quadrifoglio: the Launch X431 Pro TT , Xtool D7S, Thinkcar 689BT, and Vdiagtool VD70S. Each tool was put through its paces with an auto-scan and live data review to assess compatibility, functionality, and user experience. Here’s a neutral, objective breakdown of how each performed. Test Overview All tools encountered the FCA security gateway, which restricted bidirectional control without a licensed account. However, each was still able to perform reads, scan modules, and access live data — all critical functions for diagnostics. Tool-by-Tool Breakdown Launch X431 Pro TT Pros: Scanned the most modules (29) Provided detailed, model-specific live data (e.g., dual injection timing for port and direct injection) Clean diagnostic plan interface with visual aids 150+ live data parameters with accurate, applicable readings Cons: Most expensive of the four Requires FCA accoun...