B1002 HONDA - Multiplex Integrated Control Unit Internal Error

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

Possible causes

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

  • Engine Light ON (or Service Engine Soon Warning Light)
  • B1002 Honda Description

    The Multiplex Control Unit Module (MICU) monitors itself. The MICU sets the OBDII code when there is an internal error.
    OBDII Code B1002 Honda - Multiplex Integrated Control Unit Internal Error - Engine-Codes.com

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