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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System (Except Hybrid) - Diagnostic Codes & Symptom Tests >> AUDIO AND VISUAL SYSTEM (for Gasoline Model) >> DTC B15F8: D-Seat ECU Vehicle Information Reading/Writing Process Malfunction [06/2018 - 09/2022] >> Description

DTC B15F8: D-Seat ECU Vehicle Information Reading/Writing Process Malfunction [06/2018 - 09/2022]: Description

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

HINT: 

The main body ECU (multiplex network body ECU) controls the front power seat control system (w/ Memory) related items that are customizable via the multi-display assembly screen.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15F8 D-Seat ECU Vehicle Information Reading/Writing Process Malfunction Main body ECU (multiplex network body ECU) vehicle setting processing malfunction
  • CAN communication system
  • Front power seat control system (w/ Memory)
  • Main body ECU (multiplex network body ECU)
  • Radio receiver assembly
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