Unit Registration: General Description
WARNING: This page is about a different car, the 2024 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
- MAC authentication
A cyber security technology that blocks communications other than those from a genuine SUBARU control module.
- MAC key
Encryption information which is different for each vehicle and is required to perform MAC authentication.
- Module registration
Procedure to rewrite the MAC key to a new key for a vehicle whose MAC authentication-related control module has been replaced.