AutoCodes – Honda – B2005 Honda

B2005 Honda Code - Left Power Sliding Door Control Unit Lost Communication With MICU

Quick Answer

The Power Sliding Door Control Unit receives inputs from the switches and sensors in the sliding door system and from B-CAN. Common causes include Faulty Power Sliding Door Control Unit, Power Sliding Door Control Unit harness is open or shorted, Power Sliding Door 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: B2005 Honda indicates Left Power Sliding Door Control Unit Lost Communication With MICU.
Common causes: Common causes include Faulty Power Sliding Door Control Unit, Power Sliding Door Control Unit harness is open or shorted, Power Sliding Door 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 1,256

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 Sep 06, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2005 Honda Description

The Power Sliding Door Control Unit receives inputs from the switches and sensors in the sliding door system and from B-CAN. It outputs to the slide motor, release actuator, and closer motor to control the movement of the doors. It also controls the sliding door beeper and indicator. The OBDII code sets when the Left Power Sliding Door Control Unit Lost Communication With Multiplex Integrated Control Unit (MICU).

OBDII Code B2005 Honda - Left Power Sliding Door Control Unit Lost Communication With MICU - AutoCodes.com — B2005 Honda Code - Left Power Sliding Door Control Unit Lost Communication With MICU

What does this mean?

What are the Possible Causes of the DTC B2005 Honda?

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

How to Fix the DTC B2005 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 B2005 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.

Need more information about the B2005 Honda code?

Need more information on how to fix the B2005 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 B2005 Honda Code

What does the OBDII code B2005 mean on a Honda?

The B2005 code indicates that the Left Power Sliding Door Control Unit has lost communication with the Multiplex Integrated Control Unit (MICU).

What are the common symptoms of the B2005 code?

Symptoms may include the left power sliding door not functioning, intermittent operation, or the inability to control the door using interior switches or the key fob.

What causes the B2005 code on a Honda?

The most common causes are a faulty Left Power Sliding Door Control Unit, damaged wiring or connectors, or a communication issue between the control unit and the MICU.

Can the B2005 code cause other issues in the vehicle?

While it primarily affects the sliding door, it may also interfere with other electronic systems if the MICU or communication network is compromised.

How do you diagnose the B2005 code on a Honda?

Diagnosis typically involves checking the wiring and connectors for damage, ensuring proper communication between the MICU and the left sliding door control unit, and testing the components for faults.

Is the B2005 code related to a specific Honda model?

This code is commonly associated with Honda minivans, such as the Odyssey, that have power sliding doors.

Can the B2005 code be fixed without replacing parts?

In some cases, cleaning and securing loose or corroded connectors or repairing damaged wiring can resolve the issue without needing to replace components.

How much does it cost to repair the B2005 code on a Honda?

Repair costs vary, but minor wiring repairs might cost under $100, while replacing a control unit can cost $300-$700 or more, depending on labor and parts.

Can a weak battery trigger the B2005 code?

Yes, a weak or failing battery can cause communication issues between control units, potentially triggering this code.

Is it safe to drive with the B2005 code active?

It is generally safe to drive, but the left power sliding door may not operate correctly, which could be inconvenient or pose a safety risk if access is needed in an emergency.