B1664 Acura Code - Rear Interior LF Antenna Circuit Open
Quick Answer
The B1664 Acura code indicates that there is an open circuit in the rear interior LF (left front) antenna of the vehicle. Common causes include Damaged wiring in the antenna circuit, Corrosion in the antenna connections, Loose connections in the antenna circuit. 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 Acura indicates Rear Interior LF Antenna Circuit Open.
- Common causes
- Common causes include Damaged wiring in the antenna circuit, Corrosion in the antenna connections, Loose connections in the antenna circuit.
- 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 Acura Description
The B1664 Acura 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 for various systems such as keyless entry, remote start, and tire pressure monitoring. An open circuit means that there is a break or discontinuity in the wiring that prevents the antenna from functioning properly. This can lead to issues with the affected systems and may result in reduced functionality or complete failure.
Common Causes of B1664 Acura
- Damaged wiring in the antenna circuit
- Corrosion in the antenna connections
- Loose connections in the antenna circuit
- Faulty antenna module
- Environmental factors such as water damage or exposure to extreme temperatures
Symptoms of B1664 Acura
- Keyless entry system not working properly
- Remote start feature not functioning
- Tire pressure monitoring system showing inaccurate readings
- Reduced range for keyless entry or remote start
- Warning lights related to electronic systems on the dashboard
How to Fix B1664 Acura
- Begin by locating the rear interior LF antenna in the vehicle.
- Inspect the wiring and connections for any signs of damage, corrosion, or looseness.
- Repair or replace any damaged wiring or connections in the antenna circuit.
- Test the antenna system to ensure proper functionality.
- Clear the diagnostic trouble code and test the affected systems to confirm that the issue has been resolved.
Cost to Fix B1664 Acura
The typical repair costs for addressing a rear interior LF antenna circuit open issue can vary depending on the extent of the damage and the specific components that need to be repaired or replaced. In general, the cost for parts and labor for this repair could range from $100 to $300. However, it is important to note that 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 check with local auto repair shops for a more accurate estimate.
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Frequently Asked Questions about B1664 Acura Code
1. What does the OBDII code B1664 mean on an Acura?
The code B1664 indicates an issue with the Rear Interior Left Front (LF) Antenna Circuit, specifically an open circuit.
2. What are the common symptoms of the B1664 code?
Common symptoms include keyless entry or push-button start not functioning properly, intermittent key recognition, or error messages related to the key fob.
3. What causes the B1664 code on an Acura?
The code is typically caused by a damaged antenna, a broken or disconnected wire in the circuit, corroded connectors, or a malfunctioning control module.
4. Can I still drive my Acura with the B1664 code?
Yes, the vehicle is still drivable, but features like keyless entry or push-button start may not work reliably until the issue is resolved.
5. How do I diagnose the B1664 code?
Start by checking the antenna and its wiring for physical damage or disconnections, inspect the connectors for corrosion, and test the circuit for continuity using a multimeter.
6. How can I fix the B1664 code on my Acura?
The fix may involve repairing or replacing damaged wiring, cleaning corroded connectors, or replacing the rear interior LF antenna if it is faulty.
7. What tools are needed to repair the B1664 code?
You’ll need a multimeter to test circuit continuity, basic hand tools for accessing components, and possibly replacement parts like wiring or the antenna unit.
8. How much does it cost to fix the B1664 code?
The repair cost depends on the extent of the damage. Replacing wiring or connectors may cost around $50–$150, while a new antenna unit could cost $100–$300 plus labor.
9. Can a weak key fob battery trigger the B1664 code?
No, a weak key fob battery will not typically cause this code. However, it may affect keyless entry functionality, so it’s a good idea to rule it out as a separate issue.
10. Should I clear the B1664 code after repairs?
Yes, after completing repairs, clear the code using an OBDII scanner and check if the issue persists to confirm the problem is resolved.
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