Original Launch X-431 OBDII Diagnostic Scan Tools

  Launch X431 released new ECU/TCU cloning software V10.40 on Jan 13th, 2025. Support Products:  Launch X-431 ECU TCU programmer ,  X-prog3 and PC adapter ,   Launch X431 scanner with X-prog3 V10.40  1. Added read and write, personalization, clearing function for BOOT mode Benz transmission TCU  VGS4-0-NAG2, VGS4-500-NAG2. (1st Release!!!) 2. Added BENCH mode Cadillac, Chevrolet transmission ECU  T87A read and write  function. 3. Added read and write function for BENCH mode Great Wall transmission  ECU 7DCT450 . 4. Added read and write function for BENCH mode Great Wall, Geely engine ECU  MG1US008/MG1UA008 . 5. Optimized BMW E83 data read issue. 6. Optimize the expired device usage status so that when the device is expired, the functions released before the expiration can still be used. New updates are restricted to download when the free subscription has expired   Here we show how to virgin Benz VGS4 NAG2 TCU with Launch ecu progra...

 Problem: Tried to read ECU with Launch X431 ECU Programmer , it says error 800 software expired.  Software has expired. Need to renew software. Launch X431 ECU programmer works online with valid license.  If software expired, it will not working.

Launch X431 ECU Programmer clone GM Buick 6T45 Gearbox TCU on bench successfully. Select Chevrolet Cruze 2008-2019 6T45 gearbox TCU. Choose Bench mode. Check wiring diagram.  Connect Launch X431 ecu programmer with TCM. Connect TCM.  Read flash.   Disconnect. Change a donor 6T45 gearbox and connect the TCU with Launch ecu programmer. Connect donor TCU. Back up flash data of the donor TCU. Write flash data to the donor TCU. Don't forget to press disconnect after completed.