Program Subaru Legacy Outback 2020 2021 Key using SSM4

Here is the procedure to perform immobilizer-related repairs on the all-new 2020-2021 year Subaru Legacy and Outback.

Vehicles
SUBARU LEGACY 2020-2021
SUBARU OUTBACK 2020-2021

Device used:

OEM Subaru diagnostic tool or VXDIAG Subaru SSM4 scanner

Requirement:
To further enhance vehicle security, this new procedure requires connection to a secure SBR server for authentication and to access immobilizer information. An 8-digit “Authentication Key” supplied by SBR will be a required input when working with SSM4. The new vehicles utilize an Immobilizer Type “G” or “H” system depending on model:

G: Vehicles with a turn key ignition switch
H: Keyless Access with Push-Button Start.

Procedure:
Connect SSM4 device to the vehicle and start SSM4 application, from the Main Menu, select Immobilizer etc. registration, select the Vehicle then Immobilizer Type and Confirmed.

When the vehicle utilizes either a G or H -Type system, an Authentication Key is required to perform any of the immobilizer-related functions listed in the menu shown below.

Currently, for all other models, the immobilizer registration process is unchanged.

For 2020MY Legacy and Outback with a G or H -Type system, the Server Connection screen shown below will be displayed. Input the current Authentication Key and select “Connection”. Currently the Authentication key is OE4HE8YY.

IMPORTANT NOTE:  Unlike the previous system where Teaching Codes have been unchanged, the new Authentication Key will change approximately every 6 months. 

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