B1664 Honda Code - Rear Interior LF Antenna Circuit Open
Quick Answer
The B1664 Honda code indicates that there is an open circuit in the rear interior LF (left front) antenna of the vehicle. Common causes include Damaged or frayed wiring connected to the antenna, Corrosion or rust on antenna connections, Faulty antenna module. 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
- B1664 Honda indicates Rear Interior LF Antenna Circuit Open.
- Common causes
- Common causes include Damaged or frayed wiring connected to the antenna, Corrosion or rust on antenna connections, Faulty antenna module.
- 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 B1664 Honda Description
The B1664 Honda code indicates that there is an open circuit in the rear interior LF (left front) antenna of the vehicle. This antenna is responsible for receiving signals from the key fob to unlock or lock the doors, as well as for other functions like remote start. An open circuit means that there is a break or discontinuity in the electrical pathway, preventing proper communication between the antenna and the vehicle's receiver module. This can result in issues with keyless entry, remote start, and other related systems. If left unaddressed, it can lead to inconvenience and potential security concerns.
Common Causes of B1664 Honda
- Damaged or frayed wiring connected to the antenna
- Corrosion or rust on antenna connections
- Faulty antenna module
- Electrical issues in the vehicle's wiring system
- Impact or damage to the antenna itself
Symptoms of B1664 Honda
- Keyless entry system not working properly
- Remote start function not functioning
- Difficulty unlocking or locking doors with key fob
- Alarm system may not activate or deactivate correctly
- Warning lights on the dashboard related to the keyless entry system
How to Fix B1664 Honda
- Begin by diagnosing the specific cause of the open circuit, using a multimeter to test for continuity in the antenna circuit.
- Inspect the wiring connected to the antenna for any signs of damage or wear. Repair or replace any damaged wiring.
- Check for corrosion or rust on the antenna connections and clean or replace them as needed.
- Test the antenna module to ensure it is functioning properly; replace if necessary.
- Once the issue has been identified and repaired, clear the diagnostic trouble codes and test the keyless entry system to confirm that the problem has been resolved.
Cost to Fix B1664 Honda
The cost of repairing a rear interior LF antenna circuit open code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $100 to $300 for parts and labor. Keep in mind that prices may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive rates. It is recommended to get a few quotes from different repair shops to ensure you are getting a fair price for the repair.
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Frequently Asked Questions about B1664 Honda Code
1. What does the OBDII code B1664 mean on a Honda?
The B1664 code indicates an open circuit in the Rear Interior Left Front (LF) Antenna circuit, which is part of the keyless entry or smart key system.
2. What are the symptoms of code B1664 on a Honda?
Common symptoms include difficulty locking or unlocking the vehicle with the key fob, issues with the push-button start system, or a warning light on the dashboard.
3. What causes the B1664 code to appear?
The code is typically caused by a damaged or disconnected antenna wiring, a faulty rear interior LF antenna, or a malfunction in related components like connectors or the control module.
4. How can I diagnose the B1664 code?
Start by inspecting the antenna wiring and connectors for damage or disconnection, then test the antenna itself for continuity using a multimeter, and check the keyless entry control module for faults.
5. Can I still drive my Honda with a B1664 code?
Yes, you can usually drive the vehicle, but you may experience issues with keyless entry or the push-button start system, which could become inconvenient.
6. How do I fix the B1664 Honda code?
Repairs may involve reconnecting or replacing damaged wiring, replacing the faulty rear interior LF antenna, or addressing issues with the keyless entry control module.
7. How much does it cost to fix a B1664 code?
The cost varies depending on the issue. Replacing an antenna or repairing wiring may cost between $100 and $300, while module replacement or advanced diagnostics could cost more.
8. Can a dead key fob battery cause the B1664 code?
No, a dead key fob battery will not trigger this code, but it could cause similar symptoms. Replace the battery to rule out key fob issues.
9. Is the B1664 code common in Honda vehicles?
This code is not very common but may appear in models with advanced keyless entry or smart key systems when there are wiring or antenna issues.
10. Do I need a professional mechanic to fix the B1664 code?
If you’re comfortable with basic electrical diagnostics, you can inspect and repair wiring or replace the antenna yourself. For complex issues, it’s best to consult a professional.
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