Engine-CodesHonda – B1667 Honda

B1667 Honda Code - Rear Shelf LF Antenna Circuit Short

Quick Answer

The B1667 Honda code indicates a problem with the rear shelf LF antenna circuit in the vehicle. Common causes include Damaged wiring in the rear shelf LF antenna circuit, Faulty LF antenna components, Water intrusion into the antenna system. 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
B1667 Honda indicates Rear Shelf LF Antenna Circuit Short.
Common causes
Common causes include Damaged wiring in the rear shelf LF antenna circuit, Faulty LF antenna components, Water intrusion into the antenna system.
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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code B1667 Honda Description

The B1667 Honda code indicates a problem with the rear shelf LF antenna circuit in the vehicle. This circuit is responsible for receiving signals from the LF (low frequency) antenna located on the rear shelf of the vehicle. The LF antenna is used for various functions in modern vehicles, such as keyless entry, tire pressure monitoring, and remote start systems. A short in this circuit can disrupt communication between the antenna and the vehicle's systems, leading to malfunctions or complete failure of these features.

OBDII Code B1667 Honda - Rear Shelf LF Antenna Circuit Short
B1667 Honda Code - Rear Shelf LF Antenna Circuit Short

Common Causes of B1667 Honda

  1. Damaged wiring in the rear shelf LF antenna circuit
  2. Faulty LF antenna components
  3. Water intrusion into the antenna system
  4. Electrical system malfunctions
  5. Corrosion or loose connections in the antenna circuit

Symptoms of B1667 Honda

  1. Keyless entry not working properly
  2. Tire pressure monitoring system malfunction
  3. Remote start system failure
  4. Vehicle not starting remotely
  5. Warning lights related to the LF antenna system on the dashboard

How to Fix B1667 Honda

  1. Inspect the rear shelf LF antenna circuit for any visible damage or corrosion.
  2. Test the LF antenna components for proper functionality.
  3. Check for water intrusion and ensure proper sealing of the antenna system.
  4. Repair or replace damaged wiring or faulty components in the circuit.
  5. Clear the diagnostic trouble codes and test the LF antenna system for proper operation.

Cost to Fix B1667 Honda

The typical repair costs for addressing a rear shelf LF antenna circuit short in a Honda vehicle can range from $150 to $500, depending on the extent of the damage and the specific components that need to be replaced. This estimate includes parts and labor, but actual costs may vary based on the vehicle's make and model, the location of the repair, and the hourly labor rates charged by auto repair shops. It is recommended to obtain a detailed quote from a trusted mechanic or dealership to determine the exact cost of resolving this issue.

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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 B1667 Honda Code

1. What are the common symptoms of OBDII code B1667 in a Honda, indicating a Rear Shelf LF Antenna Circuit Short?

The common symptoms include issues with the keyless entry system, difficulty locking or unlocking the vehicle, and potential intermittent function of the remote key fob.

2. What are the possible causes of the Rear Shelf LF Antenna Circuit Short in a Honda triggering code B1667?

Potential causes may include damaged wiring in the LF antenna circuit, faulty LF antenna module, water damage to the antenna components, or issues with the LF antenna connection.

3. How can I diagnose the OBDII code B1667 related to the Rear Shelf LF Antenna Circuit Short in my Honda?

You can diagnose this issue by performing a visual inspection of the antenna circuit and its components, testing the LF antenna module, checking for water damage, and using a diagnostic scan tool to retrieve the specific fault code.

4. What are some repair tips for fixing the Rear Shelf LF Antenna Circuit Short issue in a Honda with code B1667?

Repair tips may include repairing or replacing damaged wiring, testing and potentially replacing the LF antenna module, ensuring proper connection of the antenna components, and addressing any water ingress issues.

5. Can I drive my Honda with the OBDII code B1667 related to the Rear Shelf LF Antenna Circuit Short?

It is generally safe to drive the vehicle with this code, but it is recommended to address the underlying issue promptly to prevent further keyless entry system malfunctions.

6. What tools or equipment may be needed to repair the Rear Shelf LF Antenna Circuit Short in a Honda triggering code B1667?

You may need basic hand tools for inspection and repair, a diagnostic scan tool to retrieve and clear fault codes, and potentially specialized tools for accessing and testing the LF antenna components.

7. How do I clear the OBDII code B1667 for the Rear Shelf LF Antenna Circuit Short in my Honda after making repairs?

After repairing the issue, you can clear the fault code using a diagnostic scan tool capable of clearing trouble codes in the vehicle's onboard computer system.

8. Are there any recalls or technical service bulletins related to the OBDII code B1667 in Honda vehicles?

It is recommended to check with Honda dealerships or official sources for any recalls or technical service bulletins related to the Rear Shelf LF Antenna Circuit Short issue and code B1667 in specific Honda models.

9. Can weather conditions affect the occurrence of the Rear Shelf LF Antenna Circuit Short triggering code B1667 in a Honda?

Yes, exposure to extreme weather conditions or water ingress can potentially contribute to the development of a circuit short in the LF antenna system, leading to the triggering of code B1667.

10. Is it possible to prevent the recurrence of the Rear Shelf LF Antenna Circuit Short issue in my Honda after repair?

Taking preventive measures such as ensuring proper sealing of the antenna components, regular inspection for water damage, and addressing any wiring issues promptly can help prevent the recurrence of the LF antenna circuit short and code B1667 in the future.

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