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B1128 Honda Code - Driver Side Door Lock Switch Signal Error

- Code Popularity: 2,971 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Feb 24, 2019
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|Code B1128 Honda Possible Causes

  • Faulty Driver Side Door Lock Switch
  • Driver Side Door Lock Switch harness is open or shorted
  • Driver Side Door Lock Switch circuit poor electrical connection
  • Faulty Door Multiplex Control Unit

|How do I Fix the Code B1128 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.

Does your Honda have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1128 Honda?

Labor: 1.0

The cost of diagnosing the B1128 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.

|What are Code B1128 Honda Possible Symptoms?

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

|Code B1128 Honda Description

The Door Multiplex Control Unit monitors the Driver Side Door Lock Switch. The Door Multiplex Control Unit sets the OBDII code when the Driver Side Door Lock Switch is not to factory specifications.

OBDII Code B1128 Honda - Driver Side Door Lock Switch Signal Error - AutoCodes.com
B1128 Honda Code - Driver Side Door Lock Switch Signal Error

|Need More Information on the B1128 Honda Code?

Need more information on how to fix the B1128 Honda code? Get Access to Factory Service Manuals

|Need Help with the B1128 Honda Code?

Get the B1128 Honda code diagnosed by a professional: Find a repair shop in your area

|Code B1128 Honda comments

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