This system requires a USB B type cable.
Assuming the UTH (Under the Hood module) is hooked DIRECTLY to the BATTERY: (Recommended)
Plug in USB to the PC and the ZW5 UTH Module
Launch Detector Tools Pro
Hit the bottom Update button
If the system is hooked into a SWITCHED power socket (Not recommended)
Plug in USB to the PC and the ZW5 UTH Module
Apply 12v power
Hit the bottom update button
The UTH module MUST be hooked to the Bridge Box for this update to complete.