Problem: PCMTuner “Unable to Use Selected Interface(J2534:Scanmatik – SM2 USB)” error occus during the test of PCMTuner device, and the software is disconnect from the device.
Solution: Uninstall the PCMTuner Driver, and then reinstall it.
PCMTuner Software Package Download:https://mega.nz/file/891iQSIa#aofGwPDbLLZT5qyB-8F98Vl4SPNz11QbFor9CJ2gqRA
Detail Steps Follow the video: