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B2058 Honda Code - Right Power Sliding Door Control Unit Lost Communication With MICU

Quick Answer

The B2058 Honda code indicates that there is a communication issue between the Right Power Sliding Door Control Unit and the Multiplex Integrated Control Unit (MICU) in the vehicle. Common causes include Faulty Right Power Sliding Door Control Unit, Loose or corroded electrical connections between the control units, Wiring harness issues. 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
B2058 Honda indicates Right Power Sliding Door Control Unit Lost Communication With MICU.
Common causes
Common causes include Faulty Right Power Sliding Door Control Unit, Loose or corroded electrical connections between the control units, Wiring harness issues.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B2058 Honda Description

The B2058 Honda code indicates that there is a communication issue between the Right Power Sliding Door Control Unit and the Multiplex Integrated Control Unit (MICU) in the vehicle. The MICU is responsible for controlling various electrical functions in the vehicle, including the power sliding doors. When communication is lost between these two units, it can lead to malfunctioning of the power sliding door on the right side of the vehicle.

OBDII Code B2058 Honda - Right Power Sliding Door Control Unit Lost Communication With MICU
B2058 Honda Code - Right Power Sliding Door Control Unit Lost Communication With MICU

Common Causes of B2058 Honda

  1. Faulty Right Power Sliding Door Control Unit.
  2. Loose or corroded electrical connections between the control units.
  3. Wiring harness issues.
  4. MICU malfunction.
  5. Software glitch in the control units.

Symptoms of B2058 Honda

  1. Power sliding door on the right side not responding to the control switch.
  2. Door opening or closing unexpectedly while driving.
  3. Interior lights not functioning properly.
  4. Power windows on the right side not working.
  5. Warning light illuminated on the dashboard indicating a communication error.

How to Fix B2058 Honda

  1. Begin by conducting a thorough inspection of the wiring harness and electrical connections between the Right Power Sliding Door Control Unit and the MICU. Repair or replace any damaged or corroded connections.
  2. Check the functionality of the Right Power Sliding Door Control Unit and the MICU using a diagnostic tool. Replace any faulty units if necessary.
  3. Clear the diagnostic trouble codes from the vehicle's system and reset the communication between the control units.
  4. Test the power sliding door to ensure it opens and closes properly without any issues.
  5. If the problem persists, consult a professional technician for further diagnosis and repair.

Cost to Fix B2058 Honda

The typical repair costs for addressing a communication issue between the Right Power Sliding Door Control Unit and the MICU in a Honda vehicle can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to inquire about local rates for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more affordable prices.

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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 B2058 Honda Code

1. What are the common symptoms of OBDII code B2058 in a Honda related to the Right Power Sliding Door Control Unit?

The common symptoms include the power sliding door not responding to commands, failure to open or close properly, and warning lights related to the door system appearing on the dashboard.

2. What are the possible causes of the Right Power Sliding Door Control Unit losing communication with the MICU in a Honda?

Possible causes include wiring issues, a faulty control unit, a malfunctioning MICU, poor connections, or a software glitch.

3. How can I diagnose the communication issue between the Right Power Sliding Door Control Unit and the MICU in my Honda?

Diagnosing the issue involves checking the wiring connections, inspecting the control unit and MICU for faults, scanning for error codes using an OBDII scanner, and performing a software reset if necessary.

4. Can I drive my Honda safely if the Right Power Sliding Door Control Unit has lost communication with the MICU?

Yes, you can still drive the vehicle safely, but you may experience inconvenience related to the power sliding door function until the issue is resolved.

5. How can I repair the communication problem between the Right Power Sliding Door Control Unit and the MICU in my Honda?

Repair options may include fixing wiring issues, replacing a faulty control unit or MICU, ensuring proper connections, and resetting the system to establish communication.

6. Is it possible to reset the Right Power Sliding Door Control Unit to regain communication with the MICU in a Honda?

Yes, performing a system reset or reinitialization procedure on the control unit may help restore communication with the MICU and resolve the issue.

7. Are there any DIY tips for troubleshooting OBDII code B2058 related to the Right Power Sliding Door Control Unit in a Honda?

DIY tips include checking and securing wiring connections, inspecting for visible damage, ensuring proper power supply, and using an OBDII scanner to retrieve error codes for further diagnosis.

8. Can a software update fix the communication problem between the Right Power Sliding Door Control Unit and the MICU in a Honda?

In some cases, a software update provided by the manufacturer or a dealership may address communication issues between the control unit and the MICU.

9. How long does it typically take to repair the communication problem associated with OBDII code B2058 in a Honda's Right Power Sliding Door Control Unit?

The repair time can vary depending on the exact cause of the issue, but it may range from a quick fix like resetting the system to more extensive repairs involving component replacement.

10. Should I seek professional help to diagnose and repair the Right Power Sliding Door Control Unit communication issue in my Honda?

If you are not familiar with automotive electrical systems or do not have the necessary tools, it is recommended to seek assistance from a qualified mechanic or dealership to accurately diagnose and repair the problem.

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