B3951 2016 Chevrolet Silverado Code - Right Rear Turn Signal Circuit
Quick Answer
The B3951 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado indicates a problem with the right rear turn signal circuit. Common causes include Faulty turn signal bulb, Damaged wiring harness, Malfunctioning turn signal switch. 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
- B3951 2016 Chevrolet Silverado indicates Right Rear Turn Signal Circuit.
- Common causes
- Common causes include Faulty turn signal bulb, Damaged wiring harness, Malfunctioning turn signal switch.
- 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.
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Code B3951 2016 Chevrolet Silverado Description
The B3951 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado indicates a problem with the right rear turn signal circuit. This code is triggered when the vehicle's onboard diagnostic system detects an issue with the electrical circuit responsible for controlling the right rear turn signal. The turn signal circuit plays a crucial role in indicating the vehicle's intention to turn or change lanes, ensuring the safety of the driver and other road users.
Common Causes of B3951 2016 Chevrolet Silverado
- Faulty turn signal bulb
- Damaged wiring harness
- Malfunctioning turn signal switch
- Issue with the body control module
- Corrosion or loose connections in the electrical system
Symptoms of B3951 2016 Chevrolet Silverado
- Right rear turn signal not working
- Rapid blinking of the right rear turn signal
- Dim or flickering right rear turn signal
- Dashboard indicator for right turn signal flashing rapidly or staying on
How to Fix B3951 2016 Chevrolet Silverado
- Begin by visually inspecting the right rear turn signal bulb for any signs of damage or burnout. Replace the bulb if necessary.
- Check the wiring harness connected to the right rear turn signal for any visible damage or corrosion. Repair or replace the wiring as needed.
- Test the turn signal switch to ensure it is functioning correctly. Replace the switch if it is faulty.
- Use a multimeter to check for continuity in the turn signal circuit and identify any electrical issues. Repair or replace any damaged components.
- If the problem persists, consult a professional mechanic to diagnose more complex issues with the body control module or other electrical systems.
Cost to Fix B3951 2016 Chevrolet Silverado
The cost of repairing the right rear turn signal circuit on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of replacing a turn signal bulb can range from $5 to $20, while repairing or replacing a wiring harness may cost between $100 and $300. If the turn signal switch needs to be replaced, the part itself can range from $50 to $150, with additional labor costs.
Tech Notes for B3951 2016 Chevrolet Silverado
B3951:02 Right Rear Turn Signal Circuit Short to Ground
B3951:04 Right Rear Turn Signal Circuit Open
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Frequently Asked Questions about B3951 2016 Chevrolet Silverado Code
1. What does the OBDII code B3951 mean on a 2016 Chevrolet Silverado?
The code B3951 refers to a fault in the right rear turn signal circuit, indicating an issue with the signal's wiring, bulb, or related components.
2. What are the common symptoms of code B3951 in a 2016 Chevrolet Silverado?
Symptoms include the right rear turn signal not working, rapid blinking of the turn signal indicator, or a dashboard warning message.
3. What causes the B3951 code to appear on a 2016 Chevrolet Silverado?
Common causes include a burned-out bulb, damaged wiring, a faulty socket, or a malfunctioning body control module (BCM).
4. Can a burned-out bulb trigger the B3951 code in my Silverado?
Yes, a burned-out right rear turn signal bulb is a common reason for this code to appear.
5. How do I diagnose the B3951 code on my 2016 Chevrolet Silverado?
Start by inspecting the right rear turn signal bulb and socket, check for damaged or corroded wiring, and use a scan tool to verify the fault.
6. Is it safe to drive my 2016 Chevrolet Silverado with a B3951 code?
While the vehicle may still be drivable, the malfunctioning turn signal poses a safety risk and should be repaired immediately.
7. How do I fix the B3951 code on a 2016 Chevrolet Silverado?
Replace the right rear turn signal bulb if it's burned out, repair any damaged wiring, clean corroded connections, or replace the socket if necessary.
8. Can a faulty body control module (BCM) cause the B3951 code?
Yes, a malfunctioning BCM can occasionally cause this issue, but it is less common and should be checked only after ruling out simpler causes.
9. How much does it cost to repair the B3951 code on a 2016 Chevrolet Silverado?
The cost depends on the specific issue but typically ranges from $10 for a bulb replacement to $100-$300 for wiring or socket repairs. BCM replacement costs are higher.
10. Can I clear the B3951 code without fixing the issue?
You can clear the code with a scan tool, but it will likely return until the underlying problem is resolved.
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