B1657 Acura 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 Acura 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 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 B1657 Acura?
- 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 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 B1657 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.
Need more information about the B1657 Acura code?
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Frequently Asked Questions about B1657 Acura Code
1. What are the common symptoms of OBDII code B1657 in Acura vehicles?
- The common symptoms include issues with the LF (left front) antenna circuit in the rear bumper, such as poor reception or loss of signal.
2. What causes the Rear Bumper LF Antenna Circuit Short code B1657 in Acura cars?
- The B1657 code is usually triggered by a short circuit in the LF antenna circuit located in the rear bumper.
3. How can I diagnose the Rear Bumper LF Antenna Circuit Short in my Acura?
- To diagnose the issue, you may need to inspect the LF antenna wiring in the rear bumper for any visible damage or shorts. Using a multimeter to test the circuit continuity can also help pinpoint the problem.
4. Can a DIY enthusiast repair the B1657 code related to the LF Antenna Circuit Short in an Acura?
- Repairing the LF Antenna Circuit Short code B1657 may require advanced electrical knowledge and tools. It is recommended to seek professional help to properly diagnose and repair the issue.
5. Are there any temporary fixes for the B1657 code in Acura vehicles?
- Temporary fixes such as resetting the OBDII system or disconnecting and reconnecting the LF antenna wiring may temporarily clear the code, but the underlying issue should still be addressed by a professional.
6. Is it safe to continue driving with the B1657 code triggered in an Acura?
- It is not recommended to continue driving with the B1657 code active, as it can affect the LF antenna's functionality, potentially leading to issues with keyless entry or other related systems.
7. How much does it typically cost to repair the B1657 code related to the LF Antenna Circuit Short in an Acura?
- The cost of repairing the B1657 code can vary depending on the extent of the damage and the labor rates of the repair shop. It is advisable to obtain quotes from multiple professionals for an accurate estimate.
8. Can extreme weather conditions cause the B1657 code to appear in Acura vehicles?
- Extreme weather conditions, such as heavy rain or exposure to extreme temperatures, can potentially damage the LF antenna circuit in the rear bumper, leading to the B1657 code.
9. Will disconnecting the LF antenna resolve the B1657 code issue in an Acura temporarily?
- Disconnecting the LF antenna may temporarily clear the B1657 code, but it is not a recommended long-term solution as it will affect the functionality of the keyless entry system and other related features.
10. Is the LF Antenna Circuit Short code B1657 a common issue in Acura vehicles?
- The B1657 code related to the LF Antenna Circuit Short is not extremely common but can occur in Acura vehicles, particularly in situations where the rear bumper wiring is exposed to damage.
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