VDIAGTOOL VD30 Pro OBD2 Scanner with Battery Voltage Display

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Product guide

VDIAGTOOL VD30 Pro OBD2 Scanner with Battery Voltage Display

The VDIAGTOOL VD30 Pro is a plug-in OBD2 scanner for engine diagnostics on compatible vehicles. It offers code reading and clearing, live data and a battery-voltage display, but the listing is inconsistent about whether it performs a battery test.

At a glance

Reads and clears engine fault codes and can reset the check-engine light, according to the listing.
Displays live sensor data and supports I/M readiness, VIN retrieval, O₂ sensor tests and freeze-frame analysis.
Powered through the vehicle's OBDII port, so the listing says no separate batteries or charger are needed.
Vehicle coverage is described for OBDII/EOBD-compliant cars and light trucks, with exclusions that make checking your exact vehicle important.

Price

£29.98Save 40%

Reference price: ~~£49.99~~

Price checked: 12 Nov 2026

View offer

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Pros and cons

Pros

OBDII-port power keeps setup simple without a separate power supply.
The listed engine-diagnostic functions include live data as well as code reading and clearing.
Customer feedback describes it as straightforward to use and useful for basic code checks.

Cons

It is limited to engine-related OBDII diagnostics and is not presented as a tool for ABS, SRS, TPMS or other non-OBDII systems.
The manufacturer says it does not support diesel vehicles, heavy-duty trucks, electric vehicles or motorcycles.

Technical specifications

12 specifications

Identity
Brand	VDIAGTOOL
Model	VD30 pro

Display
Screen size	2.8 Inches
Native resolution	320x240

Power
Power configuration	Powered by Connecting to OBDII Port

Diagnostics and compatibility
Supported protocols	KWP2000, ISO9141, J1850 VPW/PWM, CAN
Vehicle coverage claimed	US (1996+), EU (2001+), and Asian (2008+) cars, SUVs & light trucks
Diagnostic functions claimed	read/clear diagnostic fault codes, reset check engine lights (MIL), 4-in-1 stream live sensor data, check I/M readiness, retrieve VIN, test O₂ sensors, freeze frame analysis
DTC library claimed	98,563+ DTC library

Other details
Operating system	Linux
Automotive fit type	Universal Fit
Country of origin	China

What to know before buying

Listing details to confirm

The listing is contradictory about battery testing: its title and feature claims mention a battery-voltage test and starting performance, while its FAQ says it cannot perform a battery test and only offers battery-voltage display. It also varies in vehicle descriptions, so verify compatibility and the battery function for your exact vehicle before buying. The stated exclusions include diesel vehicles, heavy-duty trucks, electric vehicles, motorcycles and special functions.

What’s in the box

Included

Data cable × 1
User manual ×1
Packing box × 1
VD30 Pro scanner tool × 1

Who is it for?

A good fit for

Drivers seeking a plug-in reader for engine fault codes, check-engine status and live data on a compatible OBDII/EOBD vehicle.
DIY users who want an on-screen diagnostic tool powered from the vehicle's OBDII port.

Less suited to

Buyers needing ABS, SRS, TPMS, battery-system diagnostics or service resets and relearns.
Owners of diesel vehicles, heavy-duty trucks, electric vehicles or motorcycles, which the listing excludes.

VDIAGTOOL VD30 Pro OBD2 Scanner with Battery Voltage Display · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 915 ratings

5 stars51%51%
4 stars23%23%
3 stars10%10%
2 stars5%5%
1 star11%11%

Customer feedback describes the scanner as easy to use and useful for reading and clearing codes, with positive reports about accuracy and value. Compatibility concerns, including with Mini Cooper vehicles, are also reported, while build quality and code recognition receive mixed feedback. These points matter for a basic engine-code reader, but do not establish compatibility with any particular vehicle or resolve the listing's battery-test inconsistency.

Positive themes

Customers describe it as simple to use and useful for fault-code checks.
Feedback includes positive impressions of accuracy and value.

Negative themes

Compatibility concerns are reported, particularly for Mini Cooper vehicles.

Mixed feedback

Build quality and code recognition receive mixed feedback.

Frequently asked questions

Does the VD30 Pro test a car battery?

The listing conflicts on this point. It claims battery-voltage display and starting-performance checks, but its FAQ says it cannot perform a battery test. Confirm the exact function before buying.

What can it diagnose?

The listing describes engine-related OBDII functions including reading and clearing fault codes, check-engine-light reset, live sensor data, readiness checks, VIN retrieval, O₂ sensor testing and freeze-frame analysis.

Will it work with my vehicle?

The manufacturer describes support for OBDII/EOBD-compliant cars and light trucks and gives market-year guidance, but also lists several exclusions. Check compatibility for your exact make, model, year and engine.

Can it scan ABS or SRS faults?

No. The listing says it does not scan non-OBDII systems such as ABS, SRS or TPMS, and does not provide special reset or relearn functions.