TOPDON AD500S-EU OBD2 Scanner, 5-Inch Display

Display: The TOPDON AD500S-EU is a corded OBD2 diagnostic scanner with a 5-inch touchscreen and listed access to engine, transmission, ABS and SRS systems. It also claims six maintenance resets, live-data views and lifetime free updates, subject to vehicle compatibility.

At a glance

Lists diagnostics for engine, transmission, ABS and SRS, plus standard OBD2 functions.
Six stated reset functions cover oil, throttle adaptation, SAS, TPMS, BMS and EPB.
Live data can be shown as graphics, values or a combined view. The listing claims up to four streams can be combined in one graph.
One-touch AutoVIN, code reading and clearing, data recording and report sharing are listed features.
Manufacturer claims lifetime free updates and compatibility with more than 67 makes and 10,000 models. Vehicle coverage should be confirmed for your car.

Price

£129.99Save 24%

Reference price: ~~£169.99~~

Price checked: 12 Nov 2026

View offer

Often bought together

TOPDON AD500 Obd2 Scanner, Lifetime Free Update Car Code Reader Scan Tool | 4 Systems Car Diagnostic Tool for Engine Transmis

£34.92

Pros and cons

Pros

Combines four-system diagnostics with six service reset functions in one handheld reader.
Multiple live-data presentation options and recording can help with observing vehicle readings during diagnosis.
A built-in 5-inch touchscreen avoids dependence on a separate phone screen.

Technical specifications

15 specifications

Identity
Brand	TOPDON
Model	TOPDON AD500S-EU

Display and video
Screen size	5 Inches

Power and battery
Power configuration	Corded Electric

Software
Operating system (upgraded listing claim)	Android 11.0
Operating system (product details)	Android 10.0
Internal storage (upgraded listing claim)	32GB ROM

Diagnostics and maintenance
Vehicle systems (listing claim)	Engine, Transmission, ARS, ABS
Maintenance reset functions (listing claim)	Oil Reset, Throttle Adaptation, SAS/TPMS/BMS/EPB Reset
Vehicle coverage (listing claim)	67+ car manufacturers and 10000+ models
Live data display (listing claim)	graphic, value, combined
Maximum merged data streams (listing claim)	Up to 4 streams
Languages (listing claim)	16 languages of EN/FR/DE/SP/PT/RU/JP/IT/CH/KR/PO/TK

Updates and support
Updates (listing claim)	free one-touch lifetime upgrade through WiFi
Warranty description	2 year

What to know before buying

Listing details to confirm

The listing gives conflicting software and configuration details: its upgraded description states Android 11.0, 32GB ROM and up to 10 hours of battery life, while product details specify Android 10.0 and Corded Electric power. Treat these as unconfirmed for the selected unit and verify its revision before buying. The claimed system list also varies between ARS and SRS, and the language claim says 16 languages but names only 12 abbreviations. Vehicle coverage and reset availability can vary, so confirm compatibility for your exact car and intended function.

Who is it for?

A good fit for

DIY owners who want to read and clear diagnostic codes and inspect live data on a standalone screen.
Mechanics or experienced enthusiasts who can make use of the listed system diagnostics and maintenance resets, after confirming vehicle compatibility.

Less suited to

Buyers who need confirmed compatibility with a particular vehicle or a specific reset function without checking coverage first.
Those seeking a clearly specified battery-powered handheld, since the supplied listing conflicts on battery life and corded power.

TOPDON AD500S-EU OBD2 Scanner, 5-Inch Display · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 158 ratings

5 stars71%71%
4 stars11%11%
3 stars10%10%
2 stars1%1%
1 star7%7%

Customer feedback is positive about functionality, build quality, live-data information, versatility and free updates. Buyers who need code reading and live readings may find those reported strengths relevant to the listed four-system coverage and data views, though the listing’s vehicle compatibility still needs checking. Feedback also describes good value, while aggregate ratings include a notable one- and three-star share, so experiences are not uniformly positive.

Positive themes

Customers report that the scanner works well and provide an example of it scanning a Citroen C4 GP.
Feedback praises build quality, live-data information, versatility and free updates.
Customers also describe it as good value for money.

Frequently asked questions

Which vehicle systems does the scanner cover?

The listing describes engine, transmission, ABS and SRS diagnostics, but one product-detail highlight uses ARS instead of SRS. Confirm the supported systems for your vehicle and unit revision.

What maintenance resets are listed?

The listing names oil reset, throttle adaptation, SAS, TPMS, BMS and EPB reset. Whether a function is available depends on vehicle compatibility.

Are lifetime updates included?

The listing claims one-touch lifetime free updates through Wi-Fi. This is a product claim, not independent verification.

Does it have a battery?

The listing is inconsistent: an upgraded description claims up to 10 hours of battery life, while product details say Corded Electric. Check the exact unit configuration before purchase.