B1647 Acura 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 Acura 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 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 B1647 Acura?
- 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 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 B1647 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 B1647 Acura code?
Need more information on how to fix the B1647 Acura code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1647 Acura code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1647 Acura Code
1. What are the common symptoms of OBDII code B1647 in an Acura related to the Passenger Door LF Antenna Circuit Short?
The common symptoms include issues with the keyless entry system, difficulty locking or unlocking the doors using the key fob, and a warning light illuminated on the dashboard.
2. What are the possible causes of the OBDII code B1647 in an Acura?
Potential causes of this code include a short circuit in the LF antenna wiring, damaged antenna module, faulty antenna amplifier, or a problem with the key fob itself.
3. How can I diagnose the Passenger Door LF Antenna Circuit Short issue in my Acura?
Diagnosing the problem involves checking the LF antenna wiring for any visible damage, testing the antenna module and amplifier for proper functionality, and ensuring the key fob is transmitting signals correctly.
4. Can I repair the Passenger Door LF Antenna Circuit Short issue in my Acura myself?
If you have experience with automotive electrical systems, you may attempt to repair the issue by replacing the damaged wiring, antenna module, or amplifier. However, seeking professional help is recommended for complex electrical problems.
5. Is it safe to drive my Acura with the OBDII code B1647 related to the Passenger Door LF Antenna Circuit Short?
While the vehicle may still be drivable with this code, it is advisable to address the issue promptly to avoid potential problems with the keyless entry system or security features.
6. How much does it typically cost to repair the Passenger Door LF Antenna Circuit Short issue in an Acura?
The cost of repairing this issue can vary depending on the specific cause of the problem, parts needed for replacement, and labor charges. It is recommended to obtain quotes from automotive professionals for an accurate estimate.
7. Will resetting the OBDII code B1647 in my Acura make the issue go away?
Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Passenger Door LF Antenna Circuit Short. It is important to diagnose and address the root cause of the issue.
8. Can extreme weather conditions affect the Passenger Door LF Antenna Circuit in an Acura?
Yes, extreme temperatures or exposure to moisture can potentially damage the LF antenna components, leading to a circuit short and triggering the OBDII code B1647.
9. Are there any preventive measures to avoid encountering the Passenger Door LF Antenna Circuit Short issue in my Acura?
Regularly inspecting the antenna wiring for signs of wear or damage, keeping the key fob in good condition, and protecting the antenna components from harsh weather conditions can help prevent this issue.
10. How long does it typically take to repair the Passenger Door LF Antenna Circuit Short issue in an Acura?
The repair time can vary depending on the extent of the damage and the availability of replacement parts. Simple fixes may only take a few hours, while more complex issues could require a day or more to complete.
Discuss the causes and fixes for B1647 Acura OBDII Code
Code B1647 Acura comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
