Main features of GM SPS2, GDS2 Online:

1. GM SPS2 (Service Programming System 2):

Reprogramming and updating of control modules (ECU, TCM, BCM and others).

Support for the latest firmware downloaded from GM servers.

Programming keys, adapting new modules, resetting settings.

Full integration with J2534-compatible devices.

2. GM GDS2 (Global Diagnostic System 2):

In-depth diagnostics of all vehicle systems: engine, transmission, security systems, multimedia, etc.

Read and reset trouble codes (DTCs).

Monitoring of current parameters in real time.

Carrying out actuator tests and calibrations.

Support for GM vehicles starting in 2010.

Diagnostics, Key Programming and Dealer Level (ACDELCO)
Any J2534 device but he may need a canfd interface for some cars. USA + Europe 7/24. Korean and Brazillan cars only on Saturday & Sunday. Also you cant sell to Russia, Ukraine, Belarus.