DTC B2321: Driver Side Door ECU Communication Stop: Description

This DTC is stored when LIN communication between the power window regulator motor assembly (for driver side) and main body ECU (multiplex network body ECU) stops for 10 seconds or more.

DTC No.	DTC Detection Condition	Trouble Area
B2321	No communication between power window regulator motor assembly (for driver side) and main body ECU (multiplex network body ECU) for 10 seconds or more.	Power window regulator motor assembly (for driver side) Main body ECU (multiplex network body ECU) Wire harness or connector DOOR No. 2 fuse