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Home >> Toyota >> 2021 >> Venza LE >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> HEADUP Display System - Diagnostic Codes >> HEADUP Display System >> DTC B1321-87: Lost Communication with EMV Missing Message [07/2020 - 10/2022] >> Description

DTC B1321-87: Lost Communication with EMV Missing Message [07/2020 - 10/2022]: Description

After the meter mirror sub-assembly has started, the meter mirror sub-assembly attempts to detect the radio receiver assembly*1 or radio and display receiver assembly*2 by performing communication via local bus.

This DTC is stored when the radio receiver assembly*1 or radio and display receiver assembly*2 has been detected but communication between the meter mirror sub-assembly and radio receiver assembly*1 or radio and display receiver assembly*2 is interrupted.

  1. *1: w/ Navigation System
  2. *2: w/o Navigation System
DTC No. Detection Item DTC Detection Condition Trouble Area
B132187 Lost Communication with EMV Missing Message Diagnosis Condition (w/ Navigation System):
  • The meter mirror sub-assembly has started
  • The radio receiver assembly has started

Diagnosis Condition (w/o Navigation System):
  • The meter mirror sub-assembly has started
  • The radio and display receiver assembly has started

Malfunction Status (w/ Navigation System):
  1. After the radio receiver assembly is detected, communication via local bus is interrupted

Malfunction Status (w/o Navigation System):
  1. After the radio and display receiver assembly is detected, communication via local bus is interrupted

Malfunction Time:
  1. 30 seconds or more
  • Harness or connector
  • Meter / gauge system
  • Radio receiver assembly
  • Radio and display receiver assembly
  • Meter mirror sub-assembly