DTC U0230-00: Communication Error With Power Liftgate (PLG) Control Module (BCM): 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 U0230:00 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with power liftgate (PLG) control module
Detection condition	The body control module (BCM) cannot receive CAN signal from the power liftgate (PLG) control module.
Fail-safe	Stops the power liftgate (PLG) system operation.
Possible cause	Malfunction in CAN communication line between power liftgate (PLG) control module and body control module (BCM)
System wiring diagram	Not applicable
Connector diagram	Not applicable