DTC U0142-87: Lost Communication with Body Control Module "B" Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0208-87: Lost Communication with "Seat Control Module A" Missing Message [10/2017 - 10/2023]: Description

The multiplex tilt and telescopic ECU receives signals from the main body ECU (multiplex network body ECU), combination meter assembly and position control ECU assembly (driver seat) via CAN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0142-87	Lost Communication with Body Control Module "B" Missing Message	One of the following conditions is met: Signals (memory-related data) from the main body ECU (multiplex network body ECU) are interrupted for 3.3 seconds. Signals (IG switch signals) from the main body ECU (multiplex network body ECU) are interrupted for 10 seconds or more.	CAN communication system Main body ECU (Multiplex network body ECU)
U0155-87	Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message	Signals from the combination meter assembly are interrupted for 10 seconds or more.	CAN communication system Combination meter assembly
U0208-87	Lost Communication with "Seat Control Module A" Missing Message	Signals (memory or recall request signal) received from the position control ECU assembly (driver seat) is interrupted for 10 seconds or more.	CAN communication system Position control ECU assembly (Driver seat)

DTC DETECTION CONDITIONS: U0142-87

		Vehicle Condition
		Pattern 1	Pattern 2
Malfunction Status	Signals (memory-related data) from the main body ECU (multiplex network body ECU) are interrupted	◦	-
Malfunction Status	Signals (IG switch signals) from the main body ECU (multiplex network body ECU) are interrupted	-	◦
Detection Time		3.3 seconds	10 seconds or more
Number of Trips		1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.