B1647 Honda Code - Passenger Door 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 Passenger Door Low Frequency (LF) Antenna, Passenger Door Low Frequency (LF) Antenna harness is open or shorted, Passenger Door 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
- B1647 Honda indicates Passenger Door LF Antenna Circuit Short.
- Common causes
- Common causes include Faulty Passenger Door Low Frequency (LF) Antenna, Passenger Door Low Frequency (LF) Antenna harness is open or shorted, Passenger Door 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 B1647 Honda 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 B1647 Honda?
- Faulty Passenger Door Low Frequency (LF) Antenna
- Passenger Door Low Frequency (LF) Antenna harness is open or shorted
- Passenger Door Low Frequency (LF) Antenna circuit poor electrical connection
- Faulty Keyless Access Control Unit
How to Fix the DTC B1647 Honda?
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 B1647 Honda 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 B1647 Honda Code
1. What are common symptoms of OBDII code B1647 Honda related to the Passenger Door LF Antenna Circuit Short?
The common symptoms include issues with the keyless entry system, difficulty locking or unlocking the passenger door, and a malfunctioning alarm system.
2. What are the possible causes of OBDII code B1647 Honda for the Passenger Door LF Antenna Circuit Short?
The code can be triggered by a short circuit in the antenna wiring, damaged antenna components, water damage to the antenna system, or a faulty control module.
3. How can I diagnose the Passenger Door LF Antenna Circuit Short issue related to OBDII code B1647 Honda?
To diagnose the problem, you can use a diagnostic scanner to read the code, visually inspect the antenna wiring and components for damage, check for water intrusion, and test the control module for functionality.
4. Can I repair the Passenger Door LF Antenna Circuit Short issue myself?
Depending on your skill level, you may be able to repair the issue yourself by fixing any damaged wiring, replacing faulty components, or drying out any water-damaged parts. However, professional help may be needed for more complex repairs.
5. Are there any temporary fixes for OBDII code B1647 Honda until I can get it repaired?
You may try disconnecting the battery for a few minutes to reset the system and see if the code clears. However, this is just a temporary solution and the underlying issue should still be addressed.
6. How do I prevent OBDII code B1647 Honda from occurring again in the future?
To prevent the code from reoccurring, ensure that the antenna system components are properly sealed to prevent water damage, regularly inspect the wiring for wear and tear, and address any issues promptly to avoid further damage.
7. Can OBDII code B1647 Honda affect the overall performance of my Honda vehicle?
While the code itself may not directly impact the performance of the vehicle, it can cause inconvenience by affecting keyless entry functionality, door locking systems, and alarm operation.
8. Is it safe to continue driving with OBDII code B1647 Honda triggered for the Passenger Door LF Antenna Circuit Short?
It is generally safe to drive with this code triggered, but you may experience issues with the keyless entry system and door locking mechanisms. It is recommended to get the issue resolved as soon as possible.
9. How much can I expect to pay to repair OBDII code B1647 Honda for the Passenger Door LF Antenna Circuit Short?
The cost of repair can vary depending on the extent of the damage and the specific components that need to be replaced. It is advised to consult a professional for an accurate estimate.
10. Will resetting the OBDII code B1647 Honda clear the underlying issue with the Passenger Door LF Antenna Circuit Short?
Resetting the code may temporarily clear the warning, but it will not fix the underlying problem causing the code to trigger. It is important to diagnose and repair the issue to prevent the code from coming back.
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