July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC U0426: Invalid Data Received From Immobilizer Control Module

WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

Error data is received from immobilizer control module.

NOTE: Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure>PROCEDURE .