U1227 — Subaru — Lost Communication With Electric Power Steering Module

U1227 (Subaru): Lost Communication With Electric Power Steering Module — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

The high-speed CAN system is not receiving data from the Electric Power Steering (EPS) module. Manufacturer-specific definition; confirm applicability in the service information for the exact vehicle.

Affected system: Network