DTC B1321-87: Lost Communication with EMV Missing Message [09/2022 - 11/2022]: Description

After the combination meter assembly has started, the combination meter assembly attempts to detect the radio and display receiver assembly by performing communication via local bus.

This DTC is stored when the radio and display receiver assembly has been detected but communication between the combination meter assembly and radio and display receiver assembly is interrupted.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Priority
B1321-87	Lost Communication with EMV Missing Message	Diagnosis Condition: The combination meter assembly has started The radio and display receiver assembly has started Malfunction Status: After the radio and display receiver assembly is detected, communication via local bus is interrupted Malfunction Time: 30 seconds or more	Harness or connector Radio and display receiver assembly Combination meter assembly	Combination Meter	A

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

B1321-87

Lost Communication with EMV Missing Message

Diagnosis Condition:

The combination meter assembly has started
The radio and display receiver assembly has started

Malfunction Status:

After the radio and display receiver assembly is detected, communication via local bus is interrupted

Malfunction Time:

30 seconds or more

Harness or connector
Radio and display receiver assembly
Combination meter assembly

Combination Meter