AutoCodes – Honda – B1010 Honda

B1010 Honda Code - MICU Lost Communication With The Door Multiplex Control Unit

Quick Answer

The Multiplex Control Unit Module (MICU) monitors the Door Multiplex Control Unit. Common causes include Faulty Door Multiplex Control Unit, Door Multiplex Control Unit harness is open or shorted, Door Multiplex Control Unit circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1010 Honda indicates MICU Lost Communication With The Door Multiplex Control Unit.
Common causes: Common causes include Faulty Door Multiplex Control Unit, Door Multiplex Control Unit harness is open or shorted, Door Multiplex Control Unit circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 7,583

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 11, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1010 Honda Description

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 B1010 Honda - MICU Lost Communication With The Door Multiplex Control Unit - AutoCodes.com — B1010 Honda Code - MICU Lost Communication With The Door Multiplex Control Unit

What does this mean?

What are the Possible Causes of the DTC B1010 Honda?

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

How to Fix the DTC B1010 Honda?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1010 Honda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need more information on how to fix the B1010 Honda code? Get Access to Factory Service Manuals

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Get the B1010 Honda code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1010 Honda Code

1. What are the common symptoms of OBDII code B1010 in a Honda related to MICU Lost Communication With The Door Multiplex Control Unit?

- Common symptoms include issues with power windows not working, door locks malfunctioning, interior lights not turning on, and warning lights on the dashboard.

2. What are the possible causes of OBDII code B1010 in a Honda related to MICU Lost Communication With The Door Multiplex Control Unit?

- Possible causes include a faulty door multiplex control unit, damaged wiring or connectors between the MICU and door multiplex unit, or a communication error within the vehicle's network.

3. How can I diagnose OBDII code B1010 in a Honda related to MICU Lost Communication With The Door Multiplex Control Unit?

- Diagnosis typically involves using a diagnostic scanner to read the trouble code, checking the wiring and connectors for any visible damage, and testing the communication between the MICU and door multiplex unit.

4. Can I still drive my Honda with OBDII code B1010 related to MICU Lost Communication With The Door Multiplex Control Unit?

- It is not recommended to drive the vehicle with this code present, as it can affect important functions like door locks and windows, posing a safety risk.

5. What are the repair options for OBDII code B1010 in a Honda related to MICU Lost Communication With The Door Multiplex Control Unit?

- Repair options may include replacing the door multiplex control unit, repairing any damaged wiring or connectors, or reprogramming the MICU to establish communication with the door multiplex unit.

6. Can resetting the trouble code fix OBDII code B1010 related to MICU Lost Communication With The Door Multiplex Control Unit in a Honda?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the communication error between the MICU and door multiplex unit.

7. Is OBDII code B1010 related to MICU Lost Communication With The Door Multiplex Control Unit a common problem in Honda vehicles?

- This code is not extremely common, but it can occur in Honda vehicles, particularly in models equipped with advanced electronic control systems.

8. How much does it typically cost to repair OBDII code B1010 related to MICU Lost Communication With The Door Multiplex Control Unit in a Honda?

- The cost of repair can vary depending on the specific issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

9. Are there any preventive measures to avoid OBDII code B1010 related to MICU Lost Communication With The Door Multiplex Control Unit in a Honda?

- Regularly inspecting and maintaining the vehicle's electrical system, avoiding water damage to the interior components, and addressing any warning signs promptly can help prevent this code from appearing.