The current version of DTC Firmware is v1.27. The current version of DTC Connect Freeware is V22.214.171.124. Please use these two versions together.
This procedure works for all versions of the firmware updates. This procedure works with upgrades from 1.25 or 1.26 to version 1.27.
If your version of DTC firmware is 1.24 or earlier, the wrench should be upgraded at the factory. Please call SR Customer Service at 847-455-8677 and schedule your return.
If you have version 1.25 or 1.26, you can quickly and easily handle the upgrade yourself.
You will need the following materials together in order to successfully complete the firmware upgrade.