B3950 2015 Chevrolet Silverado Code - Left Rear Turn Signal Circuit
Quick Answer
The B3950 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado relates to the left rear turn signal circuit. Common causes include Faulty left rear turn signal bulb, Damaged wiring or connectors in the left rear turn signal circuit, Defective 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
- B3950 2015 Chevrolet Silverado indicates Left Rear Turn Signal Circuit.
- Common causes
- Common causes include Faulty left rear turn signal bulb, Damaged wiring or connectors in the left rear turn signal circuit, Defective 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 B3950 2015 Chevrolet Silverado Description
The B3950 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado relates to the left rear turn signal circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the left rear turn signal. The turn signal system is crucial for indicating the driver's intention to turn or change lanes, ensuring the safety of the vehicle and other road users. When this code is triggered, it can lead to the left rear turn signal not functioning properly or not working at all.
Common Causes of B3950 2015 Chevrolet Silverado
- Faulty left rear turn signal bulb
- Damaged wiring or connectors in the left rear turn signal circuit
- Defective turn signal switch
- Corrosion in the electrical connections
- Issues with the body control module (BCM)
Symptoms of B3950 2015 Chevrolet Silverado
- Left rear turn signal not working
- Rapid blinking of the turn signal indicator on the dashboard
- Dim or flickering left rear turn signal
- Turn signal staying on without blinking
- Turn signal not turning off after completing a turn
How to Fix B3950 2015 Chevrolet Silverado
- Inspect the left rear turn signal bulb and replace if necessary.
- Check the wiring and connectors in the left rear turn signal circuit for any damage or corrosion. Repair or replace as needed.
- Test the turn signal switch for proper functionality and replace if faulty.
- Clean and secure all electrical connections in the left rear turn signal circuit.
- If the issue persists, diagnose the BCM for any faults related to the left rear turn signal circuit and address accordingly.
Cost to Fix B3950 2015 Chevrolet Silverado
The typical repair costs for addressing the B3950 code on a 2015 Chevrolet Silverado can range from $50 to $200, depending on the specific cause of the issue and the cost of parts. This estimate includes the cost of a new turn signal bulb, wiring repairs, connector replacements, and labor charges. It's important to note that actual repair costs can vary based on factors such as location, labor rates, and the need for additional diagnostics or parts replacement. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.
Tech Notes for B3950 2015 Chevrolet Silverado
B3950:02 Left Rear Turn Signal Circuit Short to Ground
B3950:04 Left Rear Turn Signal Circuit Open
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Frequently Asked Questions about B3950 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B3950 on a 2015 Chevrolet Silverado related to the left rear turn signal circuit?
The common symptoms include the left rear turn signal not working or flashing rapidly, the turn signal indicator on the dashboard blinking quickly, or receiving a warning message on the instrument cluster.
2. What are the possible causes of OBDII code B3950 on a 2015 Chevrolet Silverado indicating a fault in the left rear turn signal circuit?
The code B3950 can be triggered by a faulty left rear turn signal bulb, a damaged wiring harness, a malfunctioning turn signal switch, or a problem with the body control module.
3. How can I diagnose the issue causing OBDII code B3950 on my 2015 Chevrolet Silverado's left rear turn signal circuit?
You can start by visually inspecting the left rear turn signal bulb for damage or corrosion, checking the wiring harness for any signs of wear or breakage, testing the turn signal switch for proper functionality, and using a diagnostic scanner to read the trouble codes stored in the body control module.
4. What are some repair tips for resolving OBDII code B3950 on a 2015 Chevrolet Silverado associated with the left rear turn signal circuit?
Try replacing the left rear turn signal bulb with a new one, repairing any damaged wiring in the circuit, cleaning or replacing the turn signal switch if necessary, and resetting the fault codes using a diagnostic scanner after completing the repairs.
5. Can a DIY enthusiast fix OBDII code B3950 on a 2015 Chevrolet Silverado related to the left rear turn signal circuit?
Yes, if you have some experience working with automotive electrical systems and the right tools, you may be able to diagnose and repair the issue causing the code B3950. However, if you are unsure or uncomfortable, it's best to seek professional help to avoid further damage.
6. Is it safe to continue driving my 2015 Chevrolet Silverado with OBDII code B3950 indicating a problem in the left rear turn signal circuit?
It is not recommended to drive the vehicle with a malfunctioning turn signal, as it can pose a safety hazard to you and other drivers on the road. It is best to address the issue promptly to ensure proper signaling while driving.
7. How much does it typically cost to repair OBDII code B3950 on a 2015 Chevrolet Silverado associated with the left rear turn signal circuit?
The cost of repair can vary depending on the exact cause of the issue. Replacing a turn signal bulb may cost around $10-$20, while fixing a wiring harness or replacing a faulty switch could range from $50 to $200 or more, including labor charges.
8. Will resetting the OBDII code B3950 on my 2015 Chevrolet Silverado make the issue with the left rear turn signal circuit go away?
Resetting the fault code may temporarily clear the warning light, but it will not fix the underlying problem causing the code to appear. It is essential to diagnose and address the root cause of the issue to prevent the code from reoccurring.
9. How long does it typically take to repair OBDII code B3950 on a 2015 Chevrolet Silverado related to the left rear turn signal circuit?
The repair time can vary based on the complexity of the issue. Replacing a turn signal bulb can be done in a few minutes, while troubleshooting and repairing a wiring or module issue may take an hour or more, depending on the expertise of the technician.
10. Can extreme weather conditions affect the left rear turn signal circuit and trigger OBDII code B3950 on a 2015 Chevrolet Silverado?
Yes, extreme temperatures or moisture can impact the performance of the turn signal circuit components, leading to malfunctions that trigger the B3950 trouble code. It's essential to keep the vehicle protected and perform regular maintenance to prevent weather-related issues.
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