DTC B14B2-87: Lost Communication with Front Panel LIN Missing Message [09/2022 - ]: Description

WARNING: This page is about a different variant/trim than selected.

The air conditioning control assembly communicates with the air conditioning amplifier assembly via LIN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory
B14B2-87	Lost Communication with Front Panel LIN Missing Message	Diagnosis Condition: Ignition switch ON Malfunction: Error or open in communication line between air conditioning amplifier assembly and air conditioning control assembly Detection Time: Continuously for 10 seconds or more	Harness or connector Air conditioning control assembly Air conditioning amplifier assembly	Memorized

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

B14B2-87

Lost Communication with Front Panel LIN Missing Message

Diagnosis Condition:

Malfunction:

Error or open in communication line between air conditioning amplifier assembly and air conditioning control assembly

Detection Time:

Memorized

DTC DETECTION CONDITION COMBINATION TABLE

		Vehicle Condition
		Pattern 1	Pattern 2
Diagnosis Condition	Ignition switch ON	◦	◦
Malfunction	Error in communication line between air conditioning amplifier assembly and air conditioning control assembly	◦	-
Malfunction	Open in communication line between air conditioning amplifier assembly and air conditioning control assembly	-	◦
Detection Time		Continuously for 10 seconds or more	Continuously for 10 seconds or more
Trip Count		1 trip	1 trip

HINT:

If the conditions of either of these patterns are detected, a DTC will be stored.