B1100 - Door Multiplex Control Unit

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

B1100 Possible Causes

  • Faulty Door Multiplex Control Unit
  • Door Multiplex Control Unit harness is open or shorted
  • Door Multiplex Control Unit circuit poor electrical connection

Cost of diagnosing the B1100 code

    Labor: 1.0

    The cost of diagnosing the B1100 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B1100 Possible Symptoms

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

B1100 Meaning

The Multiplex Control Unit Module (MICU) monitors the Door Multiplex Control Unit. The MICU sets the OBDII code when the Door Multiplex Control Unit is not to factory specifications.
OBDII Code B1100 - Door Multiplex Control Unit - Engine-Codes.com

B1100 Information for specific makes

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