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

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSES

Description	Error signal received from electric power steering (EPS) control module
Detection condition	Forward sensing camera (FSC) receives the error signal from the electric power steering (EPS) control module for 5 s or more.
Fail-safe	Inhibits the lane departure warning system (LDWS). Inhibits the lane-keep assist system. Inhibits the smart city brake support (SCBS).
Possible cause	DTCs are stored in the electric power steering (EPS) control module. Electric power steering (EPS) control module malfunction Forward sensing camera (FSC) malfunction
System wiring diagram	Not applicable