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About TOPDON

Secure Gateway (SGW) Support

Perform Full Diagnostics without Restrictions

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What Is a Secure Gateway (SGW)?

A Secure Gateway (SGW) is a cybersecurity system installed by vehicle manufacturers to protect critical vehicle networks. It functions like a firewall, restricting access to certain control modules unless the technician is properly authenticated. On SGW-equipped vehicles, advanced diagnostic functions—such as coding, bidirectional controls, and module adaptations—may be limited without authorization.

What Is a Secure Gateway (SGW)?What Is a Secure Gateway (SGW)?

Why Do Diagnostic Tools Need Secure Gateway Access?

Many vehicle manufactuers now require aftermarket diagnostic tools to authenticate through their official Secure Gateway systems before advanced diagnostics, service functions, coding, or programming can be performed. Without authentication, access to these functions remains restricted.

Why Do Diagnostic Tools Need Secure Gateway Access?Why Do Diagnostic Tools Need Secure Gateway Access?
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Comprehensive Support for
Global Brands

TOPDON delivers official OEM-authorized access, ensuring your workshop can perform full diagnostics.

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Compatible Vehicle Models

Jeep, Chrysler, Dodge, Ram, Fiat, and Alfa Romeo.

Typically 2018+ models.

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Compatible Vehicle Models

Volkswagen, Audi, Skoda, and Seat MQB Evo & MEB platforms, including Golf 8 and ID. series.

Typically 2019+ models.

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Compatible Vehicle Models

Renault and Dacia models, including Clio, Megane, and Espace.

Typically 2019+ models.

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Compatible Vehicle Models

Nissan and Infiniti models, including Pathfinder, Rogue, and Sentra.

Typically 2020+ models.

How to Access SGW via
TOPDON Diagnostic Tools

Connect

Connect

Connect a TOPDON SGW-compatible tool to the vehicle.

Verify

Verify

Ensure your diagnostic device has a stable internet connection.

Detect

Detect

The tool will automatically identify SGW-equipped vehicles.

Authenticate

Authenticate

Purchase OEM-authorized SGW tokens or subscriptions. *Fees are set and collected by vehicle manufacturers.

Diagnose

Diagnose

Once access is granted, you can perform full diagnostics, adaptations, resets, and other SGW-protected functions.

Secure Gateway Subscription Guide

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FCA (Stellantis)

North America: Powered by AutoAuth. Simply register your shop on the AutoAuth platform, link your TOPDON tool, and unlock via flexible pay-per-use or annual flat rates.
Other Regions: Purchase subscriptions seamlessly and directly from your tool's built-in Mall.

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VAG SFD

Powered by official SFD Tokens. Purchase individual digital passes or annual unlocks straight from your tool’s built-in Mall.

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Renault

Purchase specialized token bundles directly on your device according to your workshop's specific workload needs.

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Nissan AutoAuth

North America: Powered by AutoAuth. Simply register your shop on the AutoAuth platform, link your TOPDON tool, and unlock via flexible pay-per-use or annual flat rates.

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Important Note on Subscription Fees

TOPDON does not charge you for Secure Gateway access. The subscription and token fees required to unlock these gateways are mandated and charged directly by the vehicle manufacturers (OEM) to grant official, legal access to their secure networks.

FAQ

The purchase of a TOPDON diagnostic tool includes standard diagnostic functions for supported vehicles. Secure Gateway access is a separate OEM-authorized service that requires real-time authentication with manufacturer servers and official authorization tokens. Since the associated fees are determined by the vehicle manufacturers and only apply to users who need this capability, SGW access is offered as an optional paid service rather than being included with every device.