DTC U2300-55; Instrument Cluster Configuration Not Implemented: 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	Instrument cluster configuration not implemented
Detection condition	The connectivity master unit detected any of the following conditions with the ignition switched to ACC or ON (engine off or on). Instrument cluster configuration not read Configuration data cannot be written to connectivity master unit memory.
Fail-safe function	Not applicable
Possible cause	NOTE: To correctly write the configuration data, which is sent from the instrument cluster to the connectivity master unit, to the connectivity master unit, 3 s or more must have elapsed since the ignition was switched ON (engine off or on). Instrument cluster configuration is not completed. Connectivity master unit malfunction
System wiring diagram	Not applicable