B3950 2016 Chevrolet Silverado Code - Left Rear Turn Signal Circuit
Quick Answer
Ground is applied at all times to the turn signal/multifunction switch. Common causes include Faulty Left Rear Turn Signal Lamp, Left Rear Turn Signal Lamp harness is open or shorted, Left Rear Turn Signal Lamp 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
- B3950 2016 Chevrolet Silverado indicates Left Rear Turn Signal Circuit.
- Common causes
- Common causes include Faulty Left Rear Turn Signal Lamp, Left Rear Turn Signal Lamp harness is open or shorted, Left Rear Turn Signal Lamp 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 B3950 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3950 2016 Chevrolet Silverado?
- Faulty Left Rear Turn Signal Lamp
- Left Rear Turn Signal Lamp harness is open or shorted
- Left Rear Turn Signal Lamp circuit poor electrical connection
How to Fix the DTC B3950 2016 Chevrolet Silverado?
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.
Code Tech Notes
B3950:02 Left Rear Turn Signal Circuit Short to Ground
B3950:04 Left Rear Turn Signal Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3950 2016 Chevrolet Silverado 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.
Need more information about the B3950 2016 Chevrolet Silverado code?
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Frequently Asked Questions about B3950 2016 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B3950 in a 2016 Chevrolet Silverado indicating a Left Rear Turn Signal Circuit issue?
The common symptoms include the left rear turn signal not functioning correctly or not working at all, fast blinking of the turn signal, or a warning light on the dashboard.
2. What are the possible causes of OBDII code B3950 in a 2016 Chevrolet Silverado?
Possible causes of this code may include a faulty turn signal bulb, a damaged wiring harness in the left rear turn signal circuit, a malfunctioning turn signal switch, or a defective body control module.
3. How can I diagnose the Left Rear Turn Signal Circuit problem in my 2016 Chevrolet Silverado?
You can start by visually inspecting the left rear turn signal bulb and the wiring for any visible damage. Use a multimeter to check for continuity in the circuit and test the turn signal switch for proper functionality.
4. Can a DIY enthusiast repair the Left Rear Turn Signal Circuit issue associated with OBDII code B3950 in a 2016 Chevrolet Silverado?
Yes, depending on the cause of the problem. Replacing a faulty bulb or repairing a damaged wire may be within reach for a DIYer. However, more complex issues like a malfunctioning body control module may require professional assistance.
5. Is it safe to continue driving my 2016 Chevrolet Silverado with OBDII code B3950 related to 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 by affecting your visibility to other drivers on the road. Prompt repairs are advised.
6. How much does it typically cost to repair the Left Rear Turn Signal Circuit problem triggering OBDII code B3950 in a 2016 Chevrolet Silverado?
The cost of repair can vary depending on the root cause of the issue. Simple fixes like bulb replacement may be inexpensive, while more complex repairs involving wiring or control modules can be more costly.
7. Will resetting the OBDII code B3950 in my 2016 Chevrolet Silverado make the Left Rear Turn Signal Circuit issue go away?
Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Left Rear Turn Signal Circuit issue. Proper diagnosis and repair are necessary for a lasting solution.
8. Are there any recalls or technical service bulletins related to OBDII code B3950 in a 2016 Chevrolet Silverado?
It's advisable to check with a Chevrolet dealership or visit the manufacturer's website to see if there are any recalls or technical service bulletins related to the Left Rear Turn Signal Circuit problem in your specific model year.
9. Can extreme weather conditions impact the Left Rear Turn Signal Circuit in my 2016 Chevrolet Silverado and trigger OBDII code B3950?
Extreme weather conditions, especially moisture and corrosion, can potentially affect the electrical components of the turn signal circuit, leading to malfunctions. Ensure all connections are secure and protected from the elements.
10. How long does it usually take to repair the Left Rear Turn Signal Circuit issue associated with OBDII code B3950 in a 2016 Chevrolet Silverado?
The repair time can vary depending on the specific cause of the problem. Simple fixes like bulb replacement can be done quickly, while more complex issues may require more time for diagnosis and repair.
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