B384C Code - Keyless Entry Output Signal Circuit
Quick Answer
The keyless entry control module will detect the keyless entry transmitter when the liftgate unlatch handle is pulled and the transmitter is within 1 meter (3 feet) of the liftgate, the keyless entry control module will send the release enable signal to liftgate control module. Common causes include Faulty Liftgate Handle Switch, Liftgate Handle Switch harness is open or shorted, Liftgate Handle Switch 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
- B384C indicates Keyless Entry Output Signal Circuit.
- Common causes
- Common causes include Faulty Liftgate Handle Switch, Liftgate Handle Switch harness is open or shorted, Liftgate Handle Switch 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 B384C Description
What are the Possible Causes of the DTC B384C?
- Faulty Liftgate Handle Switch
- Liftgate Handle Switch harness is open or shorted
- Liftgate Handle Switch circuit poor electrical connection
- Faulty Liftgate Control Module
How to Fix the DTC B384C?
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 B384C 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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Information for Specific Makes
- B384C Buick — Keyless Entry Output Signal Circuit
- B384C Cadillac — Keyless Entry Output Signal Circuit
- B384C Chevrolet — Keyless Entry Output Signal Circuit
- B384C GMC — Keyless Entry Output Signal Circuit
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.
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