How to Unlock FCA SGW Security Gateway AutoAuth with Launch X431 Scanner?

Launch Scan Tools (i.e Launch X431 V, Launch X431 V+, X431 V 8 inch, X431 Pro5, X431 Pro3S+, Pro3S+, CRP919 seires, Pro3 ACE, Pro3 APEX, X431 Throttle, X431 Torque, X431 Turbo,  X431 PAD VII, X431 PAD V) updated 2017 and later FCA Chrysler Jeep Dodge Fiat Vehicles with Secure Gateway Module (SGW): Register with AutoAuth to enable your LAUNCH scan tool to communicate with the FCA SGW Authentication System and bypass the SGM, so as to perform diagnostics and bi-directional without using a bypass cable.


*X431 Pro Mini/Pros Mini supports FCA vehicles as well. Except for AutoAuth subscription, you will also need to pay for the function license ($30) on X431 “Mall” in app. X431 V and Pad series don’t need this.

The Scanner Turns On Fca Function


Background: Starting in 2018, FCA US has been equipped with a Security gateway firewall that is new to the car industry. The logic behind this Gateway is to secure the vehicle’s control systems against security threats and other issues as car ecosystems become more connected and advanced. To access this Gateway your scan tool will need to be authorized by Auto Auth. There are a few steps that you will need to complete in order to gain authorization to the FCA US Gateway.

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FCA US has partnered with LAUNCH to certify LAUNCH manufactured diagnostic tools to secure SGW vehicles’ access.


✓ Ensure LAUNCH tools have the latest software (valid software subscription required)

✓ Tools need to connect to the Internet

✓ Users will enter AutoAuth Credentials when prompted on the tool to unlock SGW vehicles


Which vehicles equiped with FCA SGW?

Make Model Year

Chrysler 300 2018-2022

Chrysler Pacifica 2018-2022

Dodge Challenger 2018-2022

Dodge Charger 2018-2022

Dodge Durango 2018-2022

Dodge Journey 2018-2020

Dodge Ram 1000 2020

Dodge Ram 1500(DS) 2018-2022

Dodge Ram 1500(DT) 2019-2022

Dodge Ram 2500 2018-2022

Dodge Ram 3500 Cab Chassis 2018-2022

Dodge Ram 3500 Cab Chassis 10K 2018-2022

Dodge Ram 3500 Pickup 2018-2022

Dodge Ram 4500 2018-2022

Dodge Ram 5500 2018-2022

Dodge Ram (Mexico) 2018-2022

Dodge ProMaster City 2018-2022

Jeep Cherokee 2019-2022

Jeep Compass (Brazil, China, India, Mexico) 2019-2022

Jeep Compass (Italy) 2020Jeep Gladiator 2020-2022

Jeep Grand Cherokee (W2, WK) 2018-2020

Jeep Grand Commander 2018-2020

Jeep Renegade(B1) 2018-2021

Jeep Renegade (BQ – China) 2018-2021

Jeep Renegade (BU) 2018

Jeep Renegade (BV) 2019-2020

Jeep Wrangler (JL) 2018-2022

Alfa Romeo Giulia 2015-2022

Alfa Romeo Giulietta/Stelvio 2017-2022

Fiat 500X 2018-2022

Fiat 500L 2018-2020

Fiat 500BEV 2021-2022

Fiat Toro 2021-2022

Fiat Doblo 2015

Fiat Ducato 2014-Till now

Fiat Novo Strada 2021-2022

Fiat Mobi 2021-2022

NOTE: The model coverage list is still being updated.



How to Access the AutoAuth on LAUNCH X431 Diagnostic Tool?


When you diagnose FCA models, the following prompt will pop up

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Log in to your AutoAuth account to unlock it

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*The actual display of diagnostic tools shall prevail.

*Once you log into AutoAuth on your LAUNCH tools, your Approved Credentials will be Auto Stored in the Software.


How to register AutoAuth account?


Step 1. sign up for a user account on


If you’re an independent or mobile technician that does not work for a shop, you will be able to register your own shop once you log into your account.

North American Registration/Login Address:
Europe Registration/Login Address:

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Setup AutoAuth User Account – There is no payment until a user registers a service center (shop or technician). You will need to create a unique username. The username must be at least 8 alphanumeric characters starting with a letter. Usernames are lower case. Once you decide on a username you will enter the other fields including:

• First name

• Last name

• Email address

• Password

• Password confirmation

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Once you accept the terms and conditions, click the “Signup” button. This will create your account and AutoAuth will send you an email to confirm your email address. You are required to click the link sent in email to confirm your email address. Once this is done, you can then login to the AutoAuth portal to manage your account at the AutoAuthhome page.


To pay for service, first log in to your account. You will see a welcome to AutoAuth message. Click “Service Center Signup/Independent Technician Signup”

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You’ll be taken to the Service Center registration form.

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Enter a name for your shop. (This can be changed later.)

Enter your username. (This cannot be changed later.)

Enter your password.

Enter your Address, city, state, postal code, and country.

Enter your phone number.

Enter your credit card number.

Enter your expiration date of your card.

Enter the CVV number of your card.

After reading the terms and conditions, check the box that you agree to them .Check the box at the bottom to confirm you are not a robot. Click the “Signup” button at the bottom of the page.

NOTE: The payment charge by AutoAuth directly, LAUNCH is not involved in any transaction process.

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You will now have “Manage Tools” and “Manage Users” available in your menu at the left of the page as shown below:



Step 2.Register your Launch X-431 scan tool serial number

The next step is to register your tool serial numbers

After logging in as the shop owner, select “Manage Tools” from the left menu.

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Click the “+ Add Tool” button

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Select the manufacturer of LAUNCH.

Select the model of your tool (Please Choose Others if your tool is not listed).

Enter the serial number for your tool.

Click the “Add Tool” button. You may now see the LAUNCH diagnostic tool in your list.

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Note that a LAUNCH tool serial registered to a shop can be used by all registered shop users. However, a tool serial cannot be used by more than one shop.


After your LAUNCH tools are added to your shop account, they are authorized by AutoAuth to unlock the secure gateway on vehicles. There is no delay after registering your serial numbers.



How to use FCA Autoauth in Launch X431 Scanners?


Please make sure you have a stable Internet connection and have updated your launch scan tool with the latest software and firmware update. As not doing this delays the diagnostic process and can prevent you from accessing the gateway.

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Performs diagnostics and bi-directional without using a bypass cable:

Establish a connection with your Launch scan tool to the vehicle via auto VIN detect or the manual Chrysler configuration.


Tap any Special functions, the FCA will prompt you to log in to access the security gateway.


User authentication will be valid as long as the vehicle is keyed on an engine off and your VC I is connected to the vehicle with a stable Internet connection.

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Launch Scan Tools tech support:


How to Purchase European Professional Software License Pack for Launch X431 Pro5/PAD VII


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