XTOOL AD20 Pro Wireless OBD2 Scanner
- Full system scan: ABS, SRS, transmission, TPMS, A/C
- CAN FD for 2020+ GM, GMC, Chevrolet
- 85+ global brands supported
- BT 5.0, up to 33 feet, iOS and Android
- Unlimited vehicles, no subscription
- Sleep mode for leaving it plugged in
- 1.13 ounces, 2-Year US Warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A phone based full system scanner with no subscription, sleep mode and newer GM protocol support. It reads and resets oil service but offers no bi-directional tests in the listing.
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ASIN: B0BRKQRS2PModel: AD20 ProCategory: Code Readers & Scan Tools
Overview
DIY drivers and used car shoppers get a tiny wireless dongle that turns a phone into a full system scanner. Plug it in, pair over Bluetooth, and it auto identifies the car, scans every module and explains faults in plain terms.
Owners can scan an unlimited number of cars, including newer GM models that older dongles cannot talk to, without paying yearly. Service functions are limited to oil reset in the listing, and bi-directional control is not mentioned.
Who it's for
Families with several cars and buyers inspecting used vehicles will use the unlimited scans. Shop techs who bleed ABS or code modules need a more capable tool.
Pros and cons
- Reads ABS, airbag, transmission, TPMS
- Works with newer GM protocol
- No yearly fees
- Sleep mode avoids battery drain
- Only oil reset listed
- No bi-directional control mentioned
- Needs a phone to use
Performance notes
Coverage depends on protocol support, and CAN FD hardware lets it talk to newer GM vehicles. The app does the analysis on the phone, so results depend on the app and connection. Sleep mode cuts draw when the engine is off, allowing the dongle to stay plugged in.
Specifications
| Brand | Xtool |
|---|---|
| Model | AD20 Pro |
| Dimensions & fit | |
| Item weight | 1.13 ounces |
| Compatibility & installation | |
| Connectivity | BT 5.0, up to 33 feet |
| Included components | |
| Included Components | AD20 Pro OBD2 Dongle, User Manual |
| Warranty & support | |
| Manufacturer Warranty Description | 2-Year US Warranty |
| Supported protocols | CAN FD |
| Other details | |
| Operating System | iOS & Android |
| Vehicle coverage | 85+ global brands; 2020+ GM, GMC, Chevrolet with CAN FD |
| Software updates | Free updates, no subscription |
| Systems covered | All systems incl. ABS, SRS, transmission, TPMS, A/C |
| Reset services | Oil reset |
| Additional features | Auto VIN, I/M readiness, battery test with sleep mode, live data, smart dash, performance test, trip analysis |
Frequently asked questions
How do I connect the XTOOL AD20 Pro?
Plug it into the OBD2 port and connect over BT 5.0 from an iOS or Android phone, within up to 33 feet. AutoVIN identifies the vehicle automatically.
Can I leave it plugged in?
Yes. The listing says it sleeps when the engine is off and wakes when you start the car.
Is there a vehicle limit?
No. It scans unlimited vehicles with no subscription for standard diagnostics.
Will it work on a newer Chevrolet?
It has CAN FD hardware for 2020+ GM, GMC and Chevrolet vehicles.