DTC U0423-00: Error Signal Received From Instrument Cluster: Notes

WARNING: This page is about a different car, the 2018 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0423:00 (360°VIEW Monitor Control Module) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Error Signal Received From Instrument Cluster
Detection Condition	The 360°view monitor control module detects a signal error from the instrument cluster for a certain period of time or more.
Fail-safe	360°view monitor switch operation is disabled.
Possible Cause	DTCs are stored in the instrument cluster. Instrument cluster malfunction 360°view monitor control module malfunction
System Wiring Diagram	Not applicable