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DTC B1321-87: Lost Communication with EMV Missing Message [01/2019 - 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 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 power 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