B384C Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC B384C Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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 B384C Chevrolet Code
1. What does the OBDII code B384C mean on a Chevrolet?
The B384C code indicates a fault in the keyless entry output signal circuit, which is responsible for communication between the keyless entry system and the vehicle's control modules.
2. What are the symptoms of the B384C code on a Chevrolet?
Common symptoms include keyless entry not functioning, difficulty locking or unlocking doors remotely, and possible security system warnings.
3. What causes the B384C code to appear?
The code can be triggered by a faulty keyless entry module, damaged wiring in the output signal circuit, a blown fuse, or a malfunctioning receiver antenna.
4. Can a weak key fob battery cause the B384C code?
No, a weak key fob battery typically doesn't cause this code, but it can lead to similar symptoms. Replace the key fob battery to rule it out before further diagnosis.
5. How is the B384C code diagnosed?
Technicians use a scan tool to confirm the code, then inspect the keyless entry module, wiring, fuses, and connectors for damage or faults.
6. Can I drive my Chevrolet with the B384C code active?
Yes, you can usually drive the vehicle, but the keyless entry system may not work, which could be inconvenient for locking, unlocking, or starting the car.
7. How do I fix the B384C code on my Chevrolet?
Repairs may involve replacing a faulty keyless entry module, repairing damaged wiring, replacing a blown fuse, or reprogramming the system.
8. Does the B384C code require reprogramming the key fob?
Not always, but if the keyless entry module is replaced, the key fob may need to be reprogrammed to sync with the new module.
9. How much does it cost to repair the B384C code on a Chevrolet?
The repair cost depends on the issue's cause, ranging from $50 for a simple wiring fix to $300 or more for module replacement and reprogramming.
10. Can I clear the B384C code without repairs?
Clearing the code with a scan tool might work temporarily, but if the underlying issue isn’t addressed, the code and symptoms will likely return.
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