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Engine-Codes – Honda – B1658 Honda

B1658 Honda Code - Rear Bumper LF Antenna Circuit Open

Quick Answer

The B1658 code for Honda vehicles indicates that there is an open circuit in the rear bumper LF (left front) antenna. Common causes include Corrosion or damage to the antenna wiring, Faulty antenna module, Loose or disconnected antenna connector. 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
B1658 Honda indicates Rear Bumper LF Antenna Circuit Open.
Common causes
Common causes include Corrosion or damage to the antenna wiring, Faulty antenna module, Loose or disconnected antenna connector.
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 06, 2024
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Code B1658 Honda Description

The B1658 code for Honda vehicles indicates that there is an open circuit in the rear bumper LF (left front) antenna. This antenna is responsible for transmitting and receiving signals for various systems such as the keyless entry system or the tire pressure monitoring system. An open circuit means that there is a break in the electrical connection, which can prevent the antenna from functioning properly. This can lead to issues with keyless entry, poor reception of signals, or malfunction of related systems.

OBDII Code B1658 Honda - Rear Bumper LF Antenna Circuit Open
B1658 Honda Code - Rear Bumper LF Antenna Circuit Open

Common Causes of B1658 Honda

  1. Corrosion or damage to the antenna wiring
  2. Faulty antenna module
  3. Loose or disconnected antenna connector
  4. Water damage to the antenna components
  5. Electrical issues in the antenna circuit

Symptoms of B1658 Honda

  1. Keyless entry system not working properly
  2. Poor reception of signals for remote functions
  3. Tire pressure monitoring system malfunction
  4. Warning lights related to the antenna system on the dashboard
  5. Difficulty in locking or unlocking the vehicle remotely

How to Fix B1658 Honda

  1. Inspect the antenna wiring and connectors for any damage or corrosion
  2. Test the antenna module for proper functionality
  3. Repair or replace any damaged wiring or connectors
  4. Check for water ingress and address any sealing issues
  5. Clear the diagnostic trouble code and test the system for proper operation

Cost to Fix B1658 Honda

The cost of repairing a B1658 code can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the repair for this code may range from $100 to $300, including parts and labor. However, additional costs may apply if any components need to be replaced or if there are other underlying issues that need to be addressed. It's recommended to consult with a professional technician to get an accurate cost estimate for your specific situation.

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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 B1658 Honda Code

1. What are the common symptoms of OBDII code B1658 on a Honda related to the Rear Bumper LF Antenna Circuit Open?

The common symptoms include issues with the remote keyless entry system, difficulty locking or unlocking the vehicle using the key fob, and potential warning lights on the dashboard.

2. What are the possible causes of OBDII code B1658 indicating a Rear Bumper LF Antenna Circuit Open in a Honda?

The code may be triggered by a damaged LF antenna, loose or corroded wiring connections, a faulty LF antenna control unit, or water damage to the antenna components.

3. How can I diagnose the Rear Bumper LF Antenna Circuit Open issue related to OBDII code B1658 on my Honda?

You can use a multimeter to test the LF antenna's resistance, inspect the wiring for any visible damage, check the LF antenna control unit for proper functioning, and ensure there are no water leaks affecting the antenna.

4. Are there any DIY repair tips for fixing OBDII code B1658 on a Honda due to a Rear Bumper LF Antenna Circuit Open?

DIY repair options include checking and repairing damaged wiring, cleaning and securing electrical connections, and replacing the LF antenna or control unit if necessary. However, more complex repairs may require professional assistance.

5. Can a malfunctioning Rear Bumper LF Antenna Circuit impact other systems in the Honda vehicle?

Yes, a faulty LF antenna can affect the proper functioning of the remote keyless entry system, potentially causing inconvenience and security issues related to locking and unlocking the car.

6. Is it safe to continue driving my Honda with the OBDII code B1658 indicating a Rear Bumper LF Antenna Circuit Open?

While driving with this code may not impact the vehicle's performance, it's recommended to address the issue promptly to ensure the remote keyless entry system works correctly and to prevent further electrical problems.

7. How much does it typically cost to repair OBDII code B1658 on a Honda due to a Rear Bumper LF Antenna Circuit Open?

The cost of repairs can vary depending on the exact cause of the issue. Simple fixes like repairing wiring may be inexpensive, while replacing the LF antenna or control unit could be more costly.

8. Can a Honda dealership or authorized service center help with diagnosing and repairing OBDII code B1658 related to the Rear Bumper LF Antenna Circuit Open?

Yes, experienced technicians at Honda dealerships or authorized service centers have the expertise and specialized tools to accurately diagnose and repair issues related to OBDII codes like B1658.

9. Are there any preventative measures to avoid encountering OBDII code B1658 due to a Rear Bumper LF Antenna Circuit Open in a Honda?

Regularly inspecting the LF antenna and its components for signs of damage, ensuring proper maintenance of the keyless entry system, and avoiding water exposure can help prevent issues leading to this OBDII code.

10. Will resetting the OBDII system clear the B1658 code related to the Rear Bumper LF Antenna Circuit Open in a Honda?

While clearing the code temporarily may remove the warning light, it's crucial to address the underlying issue causing the code to prevent it from reoccurring. Resetting without fixing the problem will likely result in the code reappearing.

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