DTC B2250-01: Back Door Closer General Electrical Failure [11/2023 - ]: Description

The back door closer is controlled by the multiplex network door ECU.

The multiplex network door ECU determines the latch position of the back door lock with curtesy switch assembly based on the combination of signals from the latch switch built into the back door lock with curtesy switch assembly, back door courtesy switch, initial switch and pawl switch.

This DTC is stored when the back door closer is operating and the initial switch signal indicates that the latch is not in the correct position within the specified amount of time.

When this DTC is output, the multiplex network door ECU suspends back door closer control and power back door control.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Priority
B2250-01	Back Door Closer General Electrical Failure	While the back door closer is operating, a malfunction is detected in position information from the initial switch within a specified amount of time.	Back door lock with courtesy light switch assembly Harness or connector Multiplex network door ECU	Back Door	A