Engine-Codes
 
OBDII Code List
 
B1027 HONDA

B1027 HONDA - Trunk Key Cylinder Switch Signal Error

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty Trunk Key Cylinder Switch
  • Trunk Key Cylinder Switch harness is open or shorted
  • Trunk Key Cylinder Switch circuit poor electrical connection
  • Faulty Multiplex Control Unit Module (MICU)
    What does this mean?

    • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

    • B1027 Honda Description

    The Multiplex Control Unit Module (MICU) monitors the Trunk Key Cylinder Switch. The MICU sets the OBDII code when the Trunk Key Cylinder Switch is not to factory specifications.
    OBDII Code B1027 Honda - Trunk Key Cylinder Switch Signal Error - Engine-Codes.com

    Related Information

    Repair Importance Level: 3
     
    1=Low 2=Medium 3=High  
    Repair Difficulty Level: 3
     
    1=Easy 2=Moderate 3=Hard  
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