Driver Side Door Lock Knob Switch LOCK/UNLOCK Signal Error
Table of contents
B2181 HONDA Possible Causes
- Faulty Driver Side Door Lock Knob Switch
- Driver Side Door Lock Knob Switch harness is open or shorted
- Driver Side Door Lock Knob Switch circuit poor electrical connection
- Faulty Driver Side Multiplex Control System (MPCS)
How do I fix code B2181 HONDA?
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 connector’s pins.
Cost of diagnosing the B2181 HONDA code
The cost of diagnosing the B2181 HONDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2181 HONDA Description
The Driver Side Multiplex Control System (MPCS) monitors the Driver Side Door Lock Knob Switch. The Driver Side MPCS sets the OBDII code when the Driver Side Door Lock Knob Switch is not to factory specifications.