DTC U0447-86; 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	Start stop unit receives the error signals from the instrument cluster for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe	Sets to default signal.
Possible cause	DTCs are stored in the instrument cluster. Instrument cluster malfunction Start stop unit malfunction
System wiring diagram	Not applicable