Original Autel Diagnostic Tools

This article solves the problems related to updating the PCMtuner ECU programmer software. Part 1. How to upgrade the software The software is divided into 2 parts 1) PCMtuner online upgrade When there is a new version prompt, just click "OK" to upgrade. 2) PCMflash cannot be upgraded online Subsequent upgrades i.e MG2 MD1 etc, are realized by new adapters. Part 2. Errors caused by software upgrades Problem: USB Dongle Not Accessible error caused by upgrading PCMflash software. Uninstall pcmflash1.2.5 and reinstall the app 1.20 software (make sure to disable the antivirus software) pcmflash 1.20 installation package: https://mega.nz/file/Gr5i1KAJ#HV2rPWP7T2cmGFr7EJM2-LZilNGGUDeI7QXRqQbf1gI For more technical services of PCMtuner, please continue to pay attention to http://blog.obd2shop.co.uk/