DTC U0423-68: 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 U0423:68 (PARKING SENSOR CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Error signal received from instrument cluster
Detection Condition	Parking sensor control module receives the error signal from the instrument cluster for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe	Not applicable
Possible Cause	DTCs are stored in the instrument cluster. instrument cluster malfunction Parking sensor control module malfunction
System Wiring Diagram	Not applicable