DTC U1002: Lost Communication with Gateway Module (Parking Assist Bus): Description

The driving support ECU will store this DTC when no signals can be received from the ECUs that have been memorized as those that are connected to the parking assist bus.

DTC No.	DTC Detection Condition	Trouble Area
U1002	Driving support ECU cannot receive signals from all ECUs that have been memorized as those connected to the parking assist bus.	Open or short in parking assist bus main wire or connector Open or short in parking assist bus branch wire or connector Driving support ECU Lane recognition camera sensor Millimeter wave radar sensor CAN No. 5 junction connector

HINT:

The diagnosis procedure is for when DTC U1002 is output by the driving support ECU (Techstream display: Pre-Collision2).