DTC U3000-00: Telematics Communication Unit Internal Malfunction (Telematics Communication Unit): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC U3000:00 (TELEMATICS COMMUNICATION UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Telematics communication unit internal malfunction
Detection condition	The telematics communication unit detects internal malfunction.
Fail-safe	Not applicable
Possible cause	Telematics communication unit malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable