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Home >> Toyota >> 2023 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Navigation System - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests (1 Of 2)) >> Navigation System >> DTC B15F6: Main Body ECU Vehicle Information Reading/Writing Process Malfunction [02/2019 - 12/2021] >> Description

DTC B15F6: Main Body ECU Vehicle Information Reading/Writing Process Malfunction [02/2019 - 12/2021]: Description

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This DTC is stored when items controlled by the main body ECU (multiplex network body ECU) cannot be customized via the navigation system vehicle customization screen.

HINT: 

The main body ECU (multiplex network body ECU) controls the items for the following systems that are customizable via the navigation system vehicle customization screen:

DTC No. Detection Item DTC Detection Condition Trouble Area
B15F6 Main Body ECU Vehicle Information Reading/Writing Process Malfunction Main body ECU (multiplex network body ECU) vehicle setting processing malfunction
  • CAN communication system
  • Power door lock control system
  • Wireless door lock control system
  • Lighting system (for Interior)
  • Lighting system (for Exterior)
  • Main body ECU (multiplex network body ECU)
  • Radio and display receiver assembly