New Immobilizer Registration Procedures – 2020-2024 Subaru

NHTSA ID Number: 10249591

Manufacturer Communication Number: 15-246-19R

Summary

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.

 

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NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 01/02/24

APPLICABILITY:	2020-24MY Legacy and Outback 2022-2024MY Forester 2022-2024MY BRZ 2022-2024MY WRX 2024MY Ascent 2024MY Impreza and Crosstrek
SUBJECT:	New Immobilizer Registration Procedures

 

INTRODUCTION:

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the all-new 2020-24 Legacy and Outback.  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.  Unlike the previous system where Teaching Codes have been unchanged, the new Authentication Key will change approximately every 6 months.  This bulletin will be updated with the latest Authentication Key as it becomes available.  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.

 

SERVICE PROCEDURE / INFORMATION:

REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

• After connecting the SSM4 to the vehicle and starting the 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”.

 

IMPORTANT NOTE: As of December 30th, 2023, the Authentication Key has been revised to 6P4TXWMC.

 

• Detailed instructions for performing all immobilizer-related functions can now be found on STIS under the Other/Miscellaneous Publication Type: “20MY Registration Manual for Immobilizer” or by searching Document Code: S1108BE.

 

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21 Affected Products

Vehicles

MAKE	MODEL	YEAR
SUBARU	ASCENT	2024
SUBARU	BRZ	2022-2024
SUBARU	CROSSTREK	2024
SUBARU	FORESTER	2022-2024
SUBARU	IMPREZA	2024
SUBARU	LEGACY	2020-2024
SUBARU	OUTBACK	2020-2024
SUBARU	WRX	2022-2023

 

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1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 01/02/23

https://www.nhtsa.gov/recalls?nhtsaId=10249591

MC-10249591-0001.pdf 389.017KB

 

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NHTSA ID Number: 10238472

Manufacturer Communication Number: 15-246-19R

Summary

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 06/30/23

https://www.nhtsa.gov/recalls?nhtsaId=10238472

MC-10238472-0001.pdf 388.57KB

 

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NHTSA ID Number: 10228796

Manufacturer Communication Number: 15-246-19R

Summary

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 12/30/22

https://www.nhtsa.gov/recalls?nhtsaId=10228796

MC-10228796-0001.pdf 796.617KB

 

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NHTSA ID Number: 10225762

Manufacturer Communication Number: 15-246-19R

Summary

This Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 10/12/22

https://www.nhtsa.gov/recalls?nhtsaId=10225762

MC-10225762-0001.pdf 796.773KB

 

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NHTSA ID Number: 10215437

Manufacturer Communication Number: 15-246-19R

Summary

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 06/30/22

https://www.nhtsa.gov/recalls?nhtsaId=10215437

MC-10215437-0001.pdf 796.914KB

 

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NHTSA ID Number: 10209935

Manufacturer Communication Number: 15-246-19R

Summary

This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-2022 Subaru vehicles.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 03/22/22

https://www.nhtsa.gov/recalls?nhtsaId=10209935

MC-10209935-0001.pdf 493.217KB

 

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NHTSA ID Number: 10207171

Manufacturer Communication Number: 15-246-19R

Summary

This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 01/04/22

https://www.nhtsa.gov/recalls?nhtsaId=10207171

MC-10207171-0001.pdf 493.137KB

 

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NHTSA ID Number: 10205931

Manufacturer Communication Number: 15-246-19R

Summary

This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 12/29/21

https://www.nhtsa.gov/recalls?nhtsaId=10205931

MC-10205931-0001.pdf 493.211KB

 

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NHTSA ID Number: 10194824

Manufacturer Communication Number: 15-246-19R

Summary

This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 05/04/21

https://www.nhtsa.gov/recalls?nhtsaId=10194824

MC-10194824-0001.pdf 494.912KB

NHTSA ID Number: 10198775

Manufacturer Communication Number: 15-246-19R

Summary

This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback

 

1 Associated Document

 

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NHTSA ID Number: 10185078

Manufacturer Communication Number: 15-246-19R

Summary

This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the all-new 2020 Legacy and Outback.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 12/15/20

https://www.nhtsa.gov/recalls?nhtsaId=10185078

MC-10185078-0001.pdf 494.361KB

 

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NHTSA ID Number: 10169850

Manufacturer Communication Number: 15-246-19R

Summary

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the all-new 2020 Legacy and Outback. 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. Unlike the previous system where Teaching Codes have been unchanged, the new Authentication Key will change approximately every 6 months. This bulletin will be updated with the latest Authentication Key as it becomes available.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 12/23/19

https://www.nhtsa.gov/recalls?nhtsaId=10169850

MC-10169850-0001.pdf 494.718KB

 

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NHTSA ID Number: 10165506

Manufacturer Communication Number: 15-246-19R

Summary

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the all-new 2020 Legacy and Outback. 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. Unlike the previous system where Teaching Codes have been unchanged, the new Authentication Key will change every 6 months. This bulletin will be updated with the latest Authentication Key as it becomes available. 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.

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19R
DATE: 08/15/19
REVISED: 09/17/19

https://www.nhtsa.gov/recalls?nhtsaId=10165506

MC-10165506-0001.pdf 491.221KB

 

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NHTSA ID Number: 10164191

Manufacturer Communication Number: 15-246-19

Summary

“This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the all-new 2020 Legacy and Outback. 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. Unlike the previous system where Teaching Codes have been unchanged, the new Authentication Key will change every 6 months. This bulletin will be updated with the latest Authentication Key as it becomes available. 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.”

 

1 Associated Document

Manufacturer Communications

NUMBER: 15-246-19
DATE: 08/15/19

https://www.nhtsa.gov/recalls?nhtsaId=10164191

MC-10164191-0001.pdf 491.4KB

 

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Last update on 2026-06-13 / Affiliate links / Images from Amazon Product Advertising API

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