Ista 4.32.15 Link

The notorious “gateway timeout” during flash programming on cars with the ZGW4 (Zone Gateway 4) has been a headache. 4.32.15 includes patched communication timing, reducing the chance of a bricked module during a remote or local flash.

: Never run a full vehicle scan or update without a steady battery charger connected; if the voltage drops below ~13V, the scan can fail or corrupt a module. Ista 4.32.15