OBDeleven 3 OBD2 scanner review

Overview

The OBDeleven 3 is a compact Bluetooth OBD2 scanner that connects to a phone app for fault-code checks, live data and, on supported vehicles, deeper diagnostics and coding. It ranks #9 in our list of the top 10 best-selling OBD2 scanners on Amazon UK, with a score of 7.1/10 and our Best for supported-brand coding award. Its appeal is broader system access for selected makes, rather than being the cheapest way to read engine codes.

Compared with the #2 TOPDON TopScan, which is positioned for active tests, the OBDeleven’s distinguishing draw is its supported-brand coding and One-Click Apps. The #7 Carista EVO is another option for supported-car service tools; buyers should compare the exact functions and costs available for their own vehicle before choosing.

Features and specification

The listing says the dongle works with Android 8.0+ and iOS 16.6+ over Bluetooth. Basic diagnostics are available on the free plan, including scanning and clearing codes, plus live data such as engine speed and temperatures. For officially supported Volkswagen Group, BMW Group, Toyota Group, US Ford and Mercedes-Benz vehicles, it claims multi-system diagnostics. Ford coverage is specifically for US models, so UK Ford owners should check compatibility carefully.

On most other modern vehicles, the listing describes standard OBD2 coverage for engine and transmission faults rather than full-system access. Compatibility depends on make, model year and protocol; most vehicles made before around 2008 are not supported, while some Volkswagen Group vehicles have earlier coverage. One-Click Apps offer no-code feature changes, but activations may require credits. Manual coding, advanced adaptations and unlimited One-Click Apps require a PRO or ULTIMATE plan. The device has a two-year manufacturer warranty, and the listing says one account can be used across multiple vehicles without a per-car charge.

This makes the OBDeleven more capable on paper than a basic code reader, but the advertised functions are not all included with the hardware. Confirm the vehicle-specific feature list and whether a plan or credits are needed before budgeting for customisation.

What owners say

Owner feedback is mixed. Positive reviews describe a compact, straightforward scanner that connects easily to a phone and helps identify warning-light faults. Some buyers also appreciate being able to view data from different control units, with reports of it helping diagnose issues on compatible newer cars.

The recurring reservation is cost: owners complain that useful coding options can involve subscriptions or additional credits, sometimes even after paying for a plan. Others say the tool did not deliver the particular long-coding or advanced function they expected. A few praise the basic diagnostic functions while noting that scanning newer vehicles can take time. These experiences underline the importance of checking the precise function you need, rather than assuming every advertised feature is included.

Who should buy it

Consider the OBDeleven 3 if you own a supported Volkswagen Group, BMW, Toyota, Mercedes-Benz or eligible US Ford model and want app-based diagnostics with the option to code or customise features. It is also useful if you value a portable device that can stay in the car and provide quick checks across multiple vehicles.

Skip it if you mainly need inexpensive engine-code reading, own a vehicle outside its strongest supported makes, or want advanced coding included upfront. For UK buyers, verify both model compatibility and any plan or credit requirements before ordering. The OBDeleven 3 can be a capable DIY tool, but its value depends on your car and how much of the paid feature set you intend to use.