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Home >> Lexus >> 2020 >> UX 250h Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> HEADUP Display System (Diagnostic Codes & Circuit Tests) >> HEADUP Display System >> DTC B1321-87: Lost Communication with EMV Missing Message [10/2018 - 07/2022] >> Description

DTC B1321-87: Lost Communication with EMV Missing Message [10/2018 - 07/2022]: Description

The meter mirror sub-assembly receives signals from the radio receiver assembly via local bus communication and navigation system information on the headup display.

This DTC is stored when the meter mirror sub-assembly cannot receive the signal.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B132187 Lost Communication with EMV Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with radio receiver assembly

Malfunction Time:
  1. 30 seconds or more
  • Harness or connector
  • Radio receiver assembly
  • Meter mirror sub-assembly
DTC stored