DTC U0423-68; Error Signal Received From Instrument Cluster: 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 CAUSE

Description	Error signal received from instrument cluster
Detection condition	Forward sensing camera (FSC) receives the error signal from the instrument cluster 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 instrument cluster. Instrument cluster malfunction Forward sensing camera (FSC) malfunction
System wiring diagram	Not applicable