DTC U0209: Lost Communication with "Seat Control Module B" [09/2014 - 11/2017]: Description

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
U0209	Lost Communication with "Seat Control Module B"	No communication from the position control ECU and switch assembly RH continues.	Position control ECU and switch assembly RH branch line or connector Power source circuit of position control ECU and switch assembly RH Position control ECU and switch assembly RH ground circuit Position control ECU and switch assembly RH	HINT: The main body ECU (multiplex network body ECU) stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 1.

HINT:

This diagnostic procedure is for when DTC U0209 is output by the main body ECU (multiplex network body ECU) (Techstream display: Main Body).