DTC B1324: Lost Communication with Meter; DTC B1325: Lost Communication with HUD [12/2017 - 08/2019]: Description

These DTCs are stored when communication between the radio receiver assembly and combination meter assembly or headup display (meter mirror sub-assembly)* is not possible.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1324	Lost Communication with Meter	After the radio receiver assembly receives a registration information signal, which is sent by the combination meter assembly when the power switch is on (ACC), 1 or more times, the radio receiver assembly does not receive the signal for 30 seconds or more.	Local bus communication line Combination meter assembly power source circuit Combination meter assembly Radio receiver assembly Harness or connector No. 2 CAN junction connector
B1325	Lost Communication with HUD	After the radio receiver assembly receives a registration information signal, which is sent by the meter mirror sub-assembly when the power switch is on (ACC), 1 or more times, the radio receiver assembly does not receive the signal for 30 seconds or more.*	Local bus communication line Meter mirror sub-assembly power source circuit Meter mirror sub-assembly Radio receiver assembly Harness or connector No. 2 CAN junction connector

*: w/ Headup Display (Meter Mirror Sub-assembly)

HINT:

The radio receiver assembly is the master unit.