You’re experiencing a tsdz2 st link error. If you’re getting this error message, there are a few things you can do to fix the issue. First, you need to ensure that you have the correct drivers. If you have the wrong ones, the tool will not function properly.
In the second step, you need to ensure that the TSDZ2 is unplugged and connected to your computer. Then, plug the TSDZ2 Programming Cable into the motor speed sensor port on the tool and into the USB port on your computer. If necessary, you can buy an extension cable of up to 6 feet and plug it into the TSDZ2’s USB port.