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DTC B1087 87: Communication Error With Commander Switch: Notes

DTC B1087:87 DETECTION CONDITIONS AND POSSIBLE CAUSE

Description  Communication error with commander switch 
Detection condition 
  • The connectivity master unit cannot receive a LIN signal from the commander switch for 5 s or more  with the ignition switched ACC or ON (engine off or on).
Fail-safe function  Not applicable
Possible cause 
  • Commander switch connector or terminal malfunction
  • Connectivity master unit connector or terminal malfunction
  • Short to ground in wiring harness between connectivity master unit terminal 2K and commander switch terminal E
  • Short to power supply in wiring harness between connectivity master unit terminal 2K and commander switch terminal E
  • Open circuit in wiring harness between connectivity master unit terminal 2K and commander switch terminal E
  • Commander switch malfunction
  • Connectivity master unit malfunction
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