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Home >> Lexus >> 2011 >> IS F >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multiplex Communication System (Diagnostics Codes) >> Multiplex Communication System >> DTC B1289: Passenger Seat ECU Communication Stop >> System Description
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System Description

This DTC is detected if communication between the front power seat switch RH and gateway ECU stops for more than 10 seconds.

DTC No. DTC Detection Condition Trouble Area
B1289 Front power seat switch RH communication stops
  • Front power seat switch RH
  • Wire harness or connector