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DTC B1321-87: Lost Communication with EMV Missing Message [06/2018 - 09/2022]: Description

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The combination meter assembly and radio and display receiver assembly communicate via local bus communication. This allows audio and visual system or navigation system information to be displayed on the multi-information display.

This DTC is stored when a communication error occurs between the radio and display receiver assembly and combination meter assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1321-87 Lost Communication with EMV Missing Message Diagnosis Condition:
  • The engine switch is on (IG)
  • IG power source voltage is 9.5 V or more

Malfunction Status:

  1. No communication with radio and display receiver assembly

Malfunction Time:

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