B3950 2018 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 2018 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 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3950 2018 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 2018 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 2018 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 2018 Chevrolet Silverado code?
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Need Help with the Code?
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Frequently Asked Questions about B3950 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B3950 on a 2018 Chevrolet Silverado related to the Left Rear Turn Signal Circuit?
The common symptoms include the left rear turn signal not functioning properly, such as staying on constantly or not flashing when activated.
2. What are some possible causes of OBDII code B3950 on a 2018 Chevrolet Silverado?
Potential causes may include 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 2018 Chevrolet Silverado?
You can start by visually inspecting the left rear turn signal bulb, checking the wiring for any visible damage, and using a multimeter to test for continuity in the circuit. If needed, consult a professional mechanic for further diagnostics.
4. Can a DIY enthusiast repair OBDII code B3950 on a 2018 Chevrolet Silverado related to the Left Rear Turn Signal Circuit?
Depending on the exact cause, DIY repairs may be possible, such as replacing a faulty bulb or repairing damaged wiring. However, more complex issues may require professional expertise to ensure proper diagnosis and repair.
5. How important is it to address OBDII code B3950 on a 2018 Chevrolet Silverado promptly?
It is essential to address this code promptly as it indicates a malfunction in the left rear turn signal circuit, which can compromise safety on the road by reducing visibility to other drivers when signaling to turn or change lanes.
6. Can driving with OBDII code B3950 on a 2018 Chevrolet Silverado cause any further damage?
Continuously driving with this code unresolved may not cause further damage to the vehicle itself, but it poses a safety risk due to impaired turn signal functionality, potentially leading to accidents or traffic violations.
7. Are there any recalls or technical service bulletins related to OBDII code B3950 on a 2018 Chevrolet Silverado?
It is advisable to check with a Chevrolet dealership or visit the manufacturer's website to inquire about any recalls or technical service bulletins pertaining to OBDII code B3950 and the Left Rear Turn Signal Circuit on the 2018 Silverado.
8. How much can I expect to pay for repairing OBDII code B3950 on a 2018 Chevrolet Silverado at a professional auto repair shop?
The cost of repairing this code can vary depending on the exact cause of the issue and labor rates in your area. It is recommended to obtain quotes from multiple reputable auto repair shops for an accurate estimate.
9. Is it possible for a loose connection to cause OBDII code B3950 on a 2018 Chevrolet Silverado?
Yes, a loose or poor connection in the left rear turn signal circuit can trigger OBDII code B3950. Ensure all connections are secure and free of corrosion when diagnosing and repairing the issue.
10. Can extreme weather conditions contribute to triggering OBDII code B3950 on a 2018 Chevrolet Silverado?
Extreme weather conditions, such as heavy rain or snow, can potentially exacerbate existing issues in the left rear turn signal circuit, leading to the triggering of OBDII code B3950 on a 2018 Chevrolet Silverado.
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