DTC U0420-68: Error Signal Received From Electric Power Steering (EPS) Control Module: Notes

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0420:68 BLIND SPOT MONITORING (BSM) CONTROL MODULE DETECTION CONDITION AND POSSIBLE CAUSE

Description	Error Signal Received From Electric Power Steering (EPS) Control Module
Detection condition	Blind spot monitoring (BSM) control module receives the error signal from the electric power steering (EPS) control module for 1 s or more.
Fail-safe	Blind spot monitoring (BSM) system is stopped.
Possible cause	DTCs are stored in the electric power steering (EPS) control module. Electric power steering (EPS) control module malfunction Blind spot monitoring (BSM) control module malfunction
System wiring diagram	Not applicable