Project Gretio

Gretio is a modern scan tool for enthusiasts and professionals alike. It features an advanced dashboard system for viewing various sensor data. It can also perform advanced diagnostics on all of the primary modules you will find in a GM vehicle.

You can find Gretio on the play store for free!

See list of known supported vehicles here

Gretio Common Terms & Glossary

Supported OBD2 Devices

* Only MX and MX+ models support GM SWCAN.