B1663 Acura Code - Rear Interior LF Antenna Circuit Short
Quick Answer
The remote is equipped with a keyless transmitter, and all doors can be locked and unlocked by a lock/unlock button operation, even from a remote distance from the vehicle. Common causes include Faulty Rear Interior Low Frequency (LF) Antenna, Rear Interior Low Frequency (LF) Antenna harness is open or shorted, Rear Interior Low Frequency (LF) Antenna circuit poor electrical connection. 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
- B1663 Acura indicates Rear Interior LF Antenna Circuit Short.
- Common causes
- Common causes include Faulty Rear Interior Low Frequency (LF) Antenna, Rear Interior Low Frequency (LF) Antenna harness is open or shorted, Rear Interior Low Frequency (LF) Antenna circuit poor electrical connection.
- 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.
Code B1663 Acura Description
The front interior, the middle interior, and the rear interior Low Frequency (LF) antennas send the signals to the remote of inside the vehicle. The driver's door outer handle, the front passenger's door outer handle, and the rear bumper LF antennas send the signals to the remote of outside the vehicle.
What are the Possible Causes of the DTC B1663 Acura?
- Faulty Rear Interior Low Frequency (LF) Antenna
- Rear Interior Low Frequency (LF) Antenna harness is open or shorted
- Rear Interior Low Frequency (LF) Antenna circuit poor electrical connection
- Faulty Keyless Access Control Unit
How to Fix the DTC B1663 Acura?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1663 Acura code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1663 Acura Code
1. What are the common symptoms of OBDII code B1663 Acura (Rear Interior LF Antenna Circuit Short)?
The common symptoms include issues with the keyless entry system, difficulty starting the vehicle, and intermittent problems with the remote key fob.
2. What are the possible causes of the OBDII code B1663 Acura?
Possible causes of this code include a faulty LF antenna, damaged wiring or connectors in the antenna circuit, or a malfunctioning keyless entry receiver.
3. How can I diagnose the OBDII code B1663 Acura?
Diagnosing this code involves using a scan tool to retrieve the code, inspecting the LF antenna and its wiring for any visible damage, and testing the keyless entry system for proper functionality.
4. Can I still drive my Acura with the OBDII code B1663 present?
While technically possible to drive with this code, it is not recommended as it may lead to further electrical issues or difficulties with starting the vehicle.
5. How can I repair the OBDII code B1663 Acura?
Repairing this code typically involves replacing the faulty LF antenna, repairing any damaged wiring or connectors, or replacing the keyless entry receiver if necessary.
6. Is it safe to clear the OBDII code B1663 Acura without fixing the underlying issue?
It is not recommended to clear the code without addressing the root cause, as the problem may persist and potentially lead to more serious electrical issues in the future.
7. Can weather conditions affect the appearance of the OBDII code B1663 Acura?
Extreme weather conditions, especially moisture or humidity, can exacerbate issues related to the LF antenna circuit short, leading to intermittent problems with the keyless entry system.
8. How much does it cost to repair the OBDII code B1663 Acura at a dealership or repair shop?
The cost of repair can vary depending on the specific issue and labor rates in your area, but it typically ranges from $100 to $300 for parts and labor.
9. Are there any preventive measures I can take to avoid the OBDII code B1663 Acura in the future?
Regularly inspecting the LF antenna and its wiring for damage, keeping the keyless entry system clean and dry, and addressing any issues promptly can help prevent the recurrence of this code.
10. Can I fix the OBDII code B1663 Acura myself, or should I take it to a professional?
While some DIY enthusiasts may be able to address this code themselves, it is recommended to seek professional assistance, especially if you are not familiar with automotive electrical systems.
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