What is OnlineDiag diagnostic software?

OnlineDiag is a cloud-based, dealer-grade vehicle diagnostics platform. It runs entirely in your browser: connect a standard SAE J2534 Pass-Thru device to the vehicle, sign in, and run diagnostics, ECU coding and module adaptation without installing anything.

Which vehicle brands and models are covered?

OnlineDiag covers 25+ premium brands, including BMW, Mercedes-Benz, Porsche, Ferrari, Lamborghini, Audi, Bentley, Maserati and Rolls-Royce, with dealer-level functions and regular coverage updates.

Do I need special hardware to use OnlineDiag?

No proprietary hardware is required. Any standard SAE J2534 Pass-Thru interface works — for example a Bosch MTS 6531 or CANtieCAR. The console runs on any PC, tablet or smartphone with a modern browser.

How do I purchase an OnlineDiag license?

Licenses are sold by Golden Motors, the official Online DIAG distributor. Choose BASIC (BHD 799), STANDARD (BHD 1,199) or PROFESSIONAL (BHD 1,999) — the Golden Motors team handles licensing, onboarding and hardware advice.

What diagnostic functions are included?

All packages include reading and clearing DTCs, live sensor data, guided tests, ECU coding, module adaptation and service resets — the functions normally locked behind factory diagnostic tools.

OnlineDiag Software – Cloud Diagnostics

Name: OnlineDiag Diagnostic Software
Brand: Online DIAG

Cloud-Based Vehicle Diagnostics

OnlineDIAG is a professional cloud-based platform for on-board vehicle diagnostics. Built for modern workshops, it delivers a fast, flexible, and intuitive web interface that streamlines reading diagnostic trouble codes (DTCs), viewing real-time sensor data, and performing advanced ECU functions—all from your browser. To get started, simply connect any SAE J2534 Pass-Thru compatible interface.

 Instant Reports: Generate complete vehicle diagnostic scan reports with DTC descriptions data in seconds.

 Remote Access: Read live vehicle parameters from any internet-connected device—PC, tablet, or smartphone.

 Dealer-Level Functions: Access ECU coding, adaptation, and service resets typically reserved for OEM tools.

 Secure & Encrypted: All diagnostic sessions use end-to-end encryption with full audit logging for compliance.

Technical Requirements

OnlineDIAG is a software-only platform designed to work with any J2534-compliant Pass-Thru device. The diagnostic capabilities available to you depend on your interface hardware. For full functionality, your Pass-Thru device should support the following protocols as defined in SAE J2534-2:

 CAN Bus: Pin selection on 6&14, 3&11, 3&8, 12&13, 1&9, 7&11 with baud rates 50, 125, 500, and 1000 kBit/s.

 Fault-Tolerant CAN: Pin selection on 1&9 with baud rates 50 and 125 kBit/s.

Single Wire CAN: Pin 1 at 33.333 kBit/s baud rate.

 K-Line Protocols: ISO9141 and ISO14230 (Keyword 2000) with pin selection on 1, 3, 6, 7, 8, 9, 11, 12, 13, 15 and baud rates 1200, 4800, 9600, 10400, and 115200 bit/s.

UART Echo Byte Protocol for legacy vehicle systems.

Not sure if your interface is compatible? Contact us for a compatibility check. Recommended Pass-Thru devices:

 Best choice: Bosch MTS 6531

 Budget-friendly: CANtieCAR v5.x

FUNCTIONALITY:
 Scan all units
 Identification
 Read/Clear DTCs
 Reading Actual Vaues

CLARIFICATION:

 Exclusive Bonus for New and Existing Customers: For a limited time, all new buyers will receive all feature included in ADVANCED and PROFESSIONAL package within the first year for FREE!

 The features listed above (in the table )are included in this price. Further brands that we will gradually add are also included.

 Of course, one account can be used by many devices - computers, tablets, phones.

 ONE account is used by only ONE customer. In case of violation, access may be restricted.

 The account cannot be assigned to third parties

Important Information

- Renewal fees are subject to change at any time without prior notice.

- Any pricing changes apply only to future renewals.

- Active subscription periods already purchased are not affected by future price changes.

Example:

If a Standard Package is purchased on August 1, 2026, the included subscription remains active until August 1, 2027

If renewed between July 1, 2027 and August 15, 2027, the Committed Renewal price of €120 applies and the subscription will be extended until August 1, 2028

If renewed after August 15, 2027, the Standard Renewal price of €240 applies. A new 12-month subscription period will begin from the date of payment