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Home >> Lexus >> 2009 >> ES 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Lin Communication System (Diagnostic Codes) >> Lin Communication System >> DTC B1206: P/W Master Switch Communication Stop >> Description

DTC B1206: P/W Master Switch Communication Stop: Description

This DTC is stored when LIN communication between the multiplex network master switch assembly and main body ECU (instrument panel junction block) stops for more than 10 seconds.

DTC No. DTC Detection Condition Trouble Area
B1206 Communication between the multiplex network master switch assembly and main body ECU (instrument panel junction block) stops for more than 10 seconds.
  • Multiplex network master switch assembly
  • Main body ECU (Instrument panel junction block)
  • Wire harness or connector
  • ECU-B NO. 2 fuse
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