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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System (Except 12.3 Inch Display) - Diagnostic Codes & Symptom Tests (1 Of 2) >> METER / GAUGE SYSTEM (except 12.3 Inch Display) >> DTC B1321-87: Lost Communication with EMV Missing Message [12/2019 - 10/2022] >> Description

DTC B1321-87: Lost Communication with EMV Missing Message [12/2019 - 10/2022]: Description

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

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

  1. *1: for 8 Inch Multi-display Type
  2. *2: for 12.3 Inch Multi-display Type
DTC No. Detection Item DTC Detection Condition Trouble Area
B1321-87 Lost Communication with EMV Missing Message Diagnosis Condition (for 8 Inch Multi-display Type):
  • The combination meter assembly has started
  • The radio and display receiver assembly has started

Diagnosis Condition (for 12.3 Inch Multi-display Type):

  • The combination meter assembly has started
  • The radio receiver assembly has started

Malfunction Status (for 8 Inch Multi-display Type):

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

Malfunction Status (for 12.3 Inch Multi-display Type):

  1. After the radio receiver assembly is detected, communication via local bus is interrupted

Malfunction Time:

  1. 30 seconds or more
  • Radio and display receiver assembly
  • Radio receiver assembly
  • Harness or connector
  • Combination meter assembly
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