Category Archives: Uncategorized
SurrealDev Future Plans
Hello Surreal Dev Followers and Gretio users, This will be a more informal post than is usual. Due to my (Justin) expertise in Android, Reverse Engineering, and software development in general I ended up taking a regular old job as a Reverse Engineer with Trellix (previously known as McAfee) in 2022. I now lead a […]
Continue readingGretio Multi Device
Did you know Gretio Android can work on multiple devices simultaneously? To start, both devices must be on the same WiFi network. One device must act as the server and connect to your OBD2 device. The client device must then enter the “Server Selection” menu. Gretio uses multicasting to find other devices. The reliability […]
Continue readingGretio Subscription Alternative
Gretio has added RPO Packs. These are alternatives to subscriptions which are one time purchases which last a lifetime. They are based on determining the engine of the vehicle. So an “LML” RPO package would unlock Gretio for all vehicles with an “LML” engine. The RPO Packs are extremely good value for users who only […]
Continue readingGretio Global B Status
GM has started introducing Global B in MY2022 (there was also several models in MY2020 and MY2021). Global B is a new electronics architecture for GM. It also changes the diagnostics architecture which is what Gretio uses to function. The changeover will take time as a new database has to be created and tested. Rest […]
Continue readingGretio Common Questions, Issues, and Answers
What device do I need? Checkout Which OBD2 Device to buy? – Surreal Development What Vehicles does Gretio Support? Gretio Support Vehicles Can Gretio do programming? Yes. But GM has a very limited number of features which can be programmed over OBD2 without flashing/programming a new calibration. Gretio has no tools to edit hex files […]
Continue readingGretio Crowd Sourcing PIDs
If you explore the options of Gretio you may come across the option “Crowd Source PIDs” What is it? Why do you care? Well it’s really what makes Gretio work at all. Whenever you discover a new vehicle your scan results are uploaded, and likewise other scans are available for you to use. In […]
Continue readingGretio iOS Beta
Gretio for iOS is available for beta testing. Follow the guide to get started. https://docs.google.com/document/d/1zFM4F7RMP_jIykMtbgR-ASuAbR9_VdVjwyQSxTotUKY/edit?usp=sharing *Beta slots are limited. Subject to availability
Continue readingWhich OBD2 Device to buy?
This is a common question we get a lot. To help with everyone’s decision we have developed a spreadsheet. As more devices are tested they will be added to the list. Surreal Development OBD2 Testing – Google Drive
Continue readingGretio Now Available on Android
Gretio, the fastest OBD2 tool on Android, is now available free to download on the Google Play Store. Go get it! Also visit us on facebook.
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