B1657 Honda Code - Rear Bumper 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 Bumper Low Frequency (LF) Antenna, Rear Bumper Low Frequency (LF) Antenna harness is open or shorted, Rear Bumper 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
- B1657 Honda indicates Rear Bumper LF Antenna Circuit Short.
- Common causes
- Common causes include Faulty Rear Bumper Low Frequency (LF) Antenna, Rear Bumper Low Frequency (LF) Antenna harness is open or shorted, Rear Bumper 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 B1657 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 B1657 Honda?
- Faulty Rear Bumper Low Frequency (LF) Antenna
- Rear Bumper Low Frequency (LF) Antenna harness is open or shorted
- Rear Bumper Low Frequency (LF) Antenna circuit poor electrical connection
- Faulty Keyless Access Control Unit
How to Fix the DTC B1657 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 B1657 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 B1657 Honda Code
1. What are the common symptoms of OBDII code B1657 in a Honda related to the Rear Bumper LF Antenna Circuit Short?
The common symptoms include malfunctioning keyless entry system, difficulty unlocking or locking the vehicle using the remote, and intermittent issues with the LF antenna.
2. What usually causes the OBDII code B1657 in a Honda, indicating a Rear Bumper LF Antenna Circuit Short?
The main causes of this code are damaged wiring in the LF antenna circuit, a faulty LF antenna, or water damage affecting the antenna's functionality.
3. How can I diagnose the OBDII code B1657 in my Honda, which points to a Rear Bumper LF Antenna Circuit Short?
You can diagnose this issue by visually inspecting the LF antenna and its wiring for any signs of damage, testing the LF antenna's resistance, and using a multimeter to check for continuity in the circuit.
4. Can I repair the OBDII code B1657 related to the Rear Bumper LF Antenna Circuit Short in my Honda on my own?
If you have experience working with automotive electrical systems, you may be able to repair this issue on your own by replacing the damaged wiring, the LF antenna, or addressing any water damage affecting the circuit.
5. Are there any temporary fixes I can try for the OBDII code B1657 in my Honda until I can get it properly repaired?
One temporary fix you can try is disconnecting the LF antenna to reset the system and see if that clears the code temporarily. However, this may affect the keyless entry functionality.
6. Is it safe to continue driving my Honda with the OBDII code B1657 indicating a Rear Bumper LF Antenna Circuit Short?
While the vehicle may still be operable with this issue, it is recommended not to ignore it, as it can lead to further complications with the keyless entry system and potentially impact the vehicle's security features.
7. How much does it typically cost to repair the OBDII code B1657 related to the Rear Bumper LF Antenna Circuit Short in a Honda?
The cost of repair can vary depending on the extent of the damage and whether you choose to do the repair yourself or take it to a professional mechanic. It may involve replacing wiring, the LF antenna, or addressing water damage, so costs can range from moderate to high.
8. Can the OBDII code B1657 in a Honda be triggered by factors other than a Rear Bumper LF Antenna Circuit Short?
While the most common cause of this code is related to the LF antenna circuit, other factors such as a malfunctioning key fob or issues with the vehicle's central locking system can also trigger this code.
9. Will resetting the OBDII code B1657 in my Honda fix the issue related to the Rear Bumper LF Antenna Circuit Short?
Simply resetting the code may temporarily clear the error from the system, but if the underlying issue with the LF antenna circuit or components is not addressed, the code is likely to reappear.
10. How long does it typically take to repair the OBDII code B1657 indicating a Rear Bumper LF Antenna Circuit Short in a Honda?
The repair time can vary depending on the complexity of the issue and whether you are doing the repair yourself or taking it to a professional. It could range from a few hours to a day, depending on the extent of the repair needed.
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