DTC B2226: MFD Internal Circuit

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.

DTC detecting condition:

If the system is not restored within 30 to 60 seconds after restarting the control microcomputer due to timeout of startup sequence.
When CAN controller register freeze check detects malfunction immediately after startup.

Trouble symptom:

MFD does not start.

NOTE: For the diagnostic procedure, refer to DTC B2225. Ref. to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2225 MFD INTERNAL COMMUNICATION .