DTC U0073-00: Module Communication Error (Can Bus No. 2) [DSC HU/Cm]: 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.

System malfunction location	Module communication error (CAN BUS No. 2)
Detection condition	The DSC HU/CM detects a CAN bus communication line (CAN BUS No. 2) malfunction.
Fail-safe	Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .)
Possible cause	Malfunction in CAN bus communication line (CAN BUS No. 2)
System wiring diagram	Not applicable
Connector diagram	Not applicable