However, around 2017-2018, Hyundai and KIA began aggressively pushing towards a subscription-based, cloud-centric model: GDS Online and the newer GDS-Mobile (Tablet). They wanted recurring revenue and real-time ECU updates. They wanted to kill the offline pirate.

Here is the honest conclusion.

: Access Technical Service Bulletins for known issues.

Verdict

For now, fire up that old Windows 10 laptop, connect your J2534 cable, and enjoy the last great offline diagnostic system.