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Home >> Toyota >> 2019 >> Mirai >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> DTC B150A: Lost Communication with HMI-LAN [06/2015 - 01/2018] >> Description

DTC B150A: Lost Communication with HMI-LAN [06/2015 - 01/2018]: Description

The combination meter assembly receives a text data signal from the navigation receiver assembly via local bus communication.

Based on this signal, audio and visual system or navigation system information is displayed on the multi-information display.

This DTC is stored when the combination meter assembly cannot receive the signal.

DTC No. Detection Item DTC Detection Condition Trouble Area
B150A Lost Communication with HMI-LAN After the combination meter assembly receives a registration information signal, which is sent by the navigation receiver assembly when the power switch is on (ACC), 1 or more times, the combination meter assembly cannot receive the signal for 30 seconds or more.
  • Harness or connector
  • Navigation receiver assembly
  • Combination meter assembly