Engine-Codes.com
Engine-Codes – Generic – B384C

B384C Code - Keyless Entry Output Signal Circuit

Quick Answer

The B384C code indicates a problem with the keyless entry output signal circuit in the vehicle. Common causes include Faulty key fob battery, Wiring issues in the keyless entry system, Malfunctioning keyless entry module. 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
B384C indicates Keyless Entry Output Signal Circuit.
Common causes
Common causes include Faulty key fob battery, Wiring issues in the keyless entry system, Malfunctioning keyless entry module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B384C Description

The B384C code indicates a problem with the keyless entry output signal circuit in the vehicle. Keyless entry systems allow drivers to unlock and lock their vehicles without physically using a key. This code specifically relates to the circuit responsible for sending signals to the keyless entry system, which can impact the functionality of the system.

OBDII Code B384C - Keyless Entry Output Signal Circuit
B384C Code - Keyless Entry Output Signal Circuit

Common Causes of B384C

  1. Faulty key fob battery.
  2. Wiring issues in the keyless entry system.
  3. Malfunctioning keyless entry module.
  4. Corrosion or damage to keyless entry system components.
  5. Faulty keyless entry receiver.

Symptoms of B384C

  1. Key fob not working to unlock or lock the vehicle.
  2. Inability to start the vehicle using the keyless entry system.
  3. Intermittent issues with the keyless entry system.
  4. Alarm system not responding to key fob commands.
  5. Vehicle doors not responding to keyless entry commands.

How to Fix B384C

  1. Start by checking the key fob battery and replacing it if necessary.
  2. Inspect the wiring in the keyless entry system for any damage or corrosion, repairing or replacing as needed.
  3. Test the keyless entry module and receiver for proper functionality, replacing if faulty.
  4. Clear the diagnostic trouble codes from the vehicle's system using a scan tool.
  5. Test the keyless entry system to ensure proper operation after repairs have been made.

Cost to Fix B384C

The cost of repairing the keyless entry output signal circuit can vary depending on the specific issue causing the code to be triggered. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total cost of repairing the keyless entry system can be anywhere from $150 to $500. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It's recommended to consult with a professional mechanic to get a more accurate cost estimate for your specific situation.

Need more information about the B384C code?

Need more information on how to fix the B384C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B384C code diagnosed by a professional: Find a repair shop in your area

Code B384C Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B384C Code

1. What are the common symptoms of OBDII code B384C (Keyless Entry Output Signal Circuit)?

The common symptoms include non-functioning keyless entry system, inability to remotely unlock or lock the vehicle, and failure of the key fob to communicate with the vehicle.

2. What are the possible causes of OBDII code B384C?

The code B384C can be triggered by issues such as a faulty key fob, damaged wiring in the keyless entry system, a defective receiver module, or a problem with the vehicle's body control module.

3. How can I diagnose the OBDII code B384C?

Diagnosing the code B384C typically involves using a professional OBDII scanner to retrieve the code and checking the key fob battery, inspecting the wiring connections, and testing the keyless entry system components for proper functionality.

4. What are some repair tips for fixing OBDII code B384C?

Some repair tips for addressing code B384C include replacing the key fob battery, repairing or replacing damaged wiring in the keyless entry system, checking and resetting the receiver module, and reprogramming the key fob if necessary.

5. Can OBDII code B384C cause any other issues with the vehicle?

While code B384C specifically relates to the keyless entry system, unresolved issues with the keyless entry system can potentially lead to related problems such as security concerns, inconvenience in accessing the vehicle, and potential draining of the key fob battery.

6. Is it safe to continue driving with OBDII code B384C?

It is generally safe to continue driving with OBDII code B384C, as it primarily affects the keyless entry system and does not pose an immediate risk to the vehicle's operation. However, it is recommended to address the issue promptly to restore the functionality of the keyless entry system.

7. Can I reset OBDII code B384C on my own?

Resetting OBDII code B384C can be done by clearing the code with an OBDII scanner or diagnostic tool. If the underlying issue causing the code is not resolved, the code may reappear after resetting.

8. How much does it typically cost to repair OBDII code B384C?

The cost of repairing OBDII code B384C can vary depending on the specific cause of the issue. Repair costs may include replacing the key fob battery, repairing wiring, replacing components, or reprogramming the key fob, with total costs ranging from a few dollars to a couple of hundred dollars.

9. Can extreme weather conditions affect OBDII code B384C?

Extreme weather conditions, such as extreme heat or cold, can potentially affect the performance of the keyless entry system components and lead to issues triggering code B384C. Ensuring proper protection and maintenance of the keyless entry system can help prevent weather-related problems.

10. How can I prevent OBDII code B384C from occurring in the future?

To prevent OBDII code B384C from occurring in the future, it is recommended to regularly inspect and maintain the key fob, check the keyless entry system wiring for damage, keep the key fob battery charged or replaced as needed, and address any issues promptly to avoid further complications.

Discuss the causes and fixes for B384C OBDII Code

Submit a New Comment

Code B384C comments

No comments found for this page.