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
First diagnose B1100 code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the B1100 code
Labor: 1.0The 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 MeaningThe 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.
B1100 More InformationNeed more information on how to fix the B1100 code?
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