Best OBD2 Scanners for Each Car Brand (BMW, Mercedes, Toyota & More)
Last Updated on March 14, 2026 by Juraj
One-brand OBD2 scanners are diagnostic tools designed for a specific car manufacturer or a small group of related brands.
Because they focus on one platform, they can often provide deeper diagnostics and more advanced functions than many universal scanners. These tools commonly support features such as:
- full module diagnostics
- service reset procedures
- ECU coding and adaptations
- live sensor data from all systems
- bi-directional tests
Below you can find brand-specific OBD2 scanner guides.
Each guide explains which scanners work best for that manufacturer and which tools support advanced diagnostics.
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Which obd scanner I can use to change seatbelt reminder settings in toyota mostly? Change door unlock settings, drl.
Most of these will work (except xtool A30)
https://iamcarhacker.com/best-obd-ii-scanners-for-toyota-lexus/
I tried several cheap scanners, but none could access the ECU of my 2005 Subaru Legacy, except for the basic stuff. Which scanner can I use with this car?
This one should work even for more advanced stuff: https://iamcarhacker.com/xtool-a30-review/ There is link to official store you can make sure it will work with support chat on xtool website.
Thanks for reply. I buy this scanner.