DTC U0151-00: Communication Error With SAS Control Module (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 U0151:00 (TELEMATICS COMMUNICATION UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with SAS control module
Detection condition	The telematics communication unit cannot receive a CAN signal from the SAS control module.
Fail-safe	Not applicable
Possible cause	Malfunction in CAN communication line between the SAS control module and telematics communication unit SAS control module malfunction Telematics communication unit malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable