XTOOL AD20 Pro (AD20PRO) Bluetooth OBD2 Scanner

The XTOOL AD20 Pro (AD20PRO) is a Bluetooth OBD2 scanner that pairs with an iOS or Android app for vehicle diagnostics. The listing claims full-system fault-code reading and clearing, AI-assisted code explanations, oil-service reset and battery-voltage monitoring, but compatibility and available functions can depend on the vehicle.

At a glance

The listing describes scans across engine, transmission, ABS and other systems, with fault-code reading and clearing.
AI analysis is claimed to explain fault codes and suggest repairs, rather than showing codes alone.
It claims oil-service reset, battery-voltage monitoring and I/M readiness checks in addition to diagnostics.
Bluetooth connection, Auto-VIN identification and an app are listed for iOS and Android.

Price

£35.99Save 22%

Reference price: ~~£45.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

A wider claimed scope than an engine-only code reader, including transmission and ABS diagnostics.
The combination of code explanations, oil reset and voltage monitoring may be useful for home maintenance.
The stated app support includes both iOS and Android, with wireless Bluetooth connection.

Cons

This is an app-dependent wireless reader rather than a listed standalone diagnostic display.
The listing excludes 24V commercial lorries, limiting its stated vehicle range.

Technical specifications

12 specifications

Identity
Brand	XTOOL
Model	AD20PRO

Dimensions and installation
Weight listed	30 g

Connectivity and compatibility
Wireless connection	Bluetooth 5.0
Mobile operating systems	iOS and Android
Vehicle voltage	12V
Stated vehicle coverage	US from 1996, EU/Asian EOBD from 2000

Diagnostics and maintenance
Diagnostic coverage claimed	Engine, Transmission, ABS, etc.
Additional functions claimed	Oil Reset, Performance Test, Voltage Test
Readiness check claimed	I/M readiness

Software and support claims
Software updates	lifetime free software updates
Warranty	2-year warranty

What to know before buying

The listing describes the tool as suitable for most 12V cars and gives US and EU/Asian coverage dates, but does not provide a vehicle-by-vehicle function list. Check that the needed system scans and oil reset are supported for your exact make, model and year before buying. The seller claims lifetime free updates, a two-year warranty and 24/7 UK-friendly support, which are listing claims.

Who is it for?

A good fit for

Drivers who want app-based fault-code reading and clearing across several vehicle systems, subject to vehicle support.
DIY owners interested in combining diagnostic checks with oil-service reset and battery-voltage monitoring.

Less suited to

Owners of 24V commercial lorries.
Buyers who need confirmed support for a specific vehicle function without checking compatibility first.

XTOOL AD20 Pro (AD20PRO) Bluetooth OBD2 Scanner · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 176 ratings

5 stars68%68%
4 stars15%15%
3 stars4%4%
2 stars4%4%
1 star9%9%

Customer feedback describes the scanner as easy to use and effective for pulling codes, with positive comments about quality and value. This is relevant to a reader whose intended use matches the listed app-based Bluetooth diagnostics, but the feedback does not confirm that every claimed system or maintenance function works on every vehicle. The overall rating distribution is mostly positive, with a smaller lower-star share, and does not explain the reasons for those ratings.

Positive themes

Customers describe it as easy to use and report that it pulls codes.
Feedback highlights functionality, quality and value.

Frequently asked questions

Which vehicles does the listing say the AD20 Pro supports?

It claims support for most 12V cars, with US coverage from 1996 and EU/Asian EOBD coverage from 2000. It says it is not suitable for 24V commercial lorries. Check compatibility for your exact vehicle and required functions.

Does it work with an iPhone?

The listing claims compatibility with both iOS and Android and uses Bluetooth to connect to an app.

Can it reset the oil service reminder?

Oil reset is listed as a feature, but the listing does not specify supported vehicles for that function. Confirm support for your car before relying on it.

Are software updates and a warranty included?

The listing claims lifetime free software updates and a two-year warranty. These are seller claims, so check the applicable terms.