B1026 HONDA - Passenger Door Lock Switch Signal Error

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

Possible causes

  • Faulty Passenger Door Lock Switch
  • Passenger Door Lock Switch harness is open or shorted
  • Passenger Door Lock Switch circuit poor electrical connection
  • Faulty Multiplex Control Unit Module (MICU)
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • B1026 Honda Description

    The Multiplex Control Unit Module (MICU) monitors the Passenger Door Lock Switch. The MICU sets the OBDII code when the Passenger Door Lock Switch is not to factory specifications.
    OBDII Code B1026 Honda - Passenger Door Lock Switch Signal Error - Engine-Codes.com

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