B3951 2018 Chevrolet Silverado Code - Right Rear Turn Signal Circuit
Quick Answer
Ground is applied at all times to the turn signal/multifunction switch. Common causes include Faulty Right Rear Turn Signal Lamp, Right Rear Turn Signal Lamp harness is open or shorted, Right 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
- B3951 2018 Chevrolet Silverado indicates Right Rear Turn Signal Circuit.
- Common causes
- Common causes include Faulty Right Rear Turn Signal Lamp, Right Rear Turn Signal Lamp harness is open or shorted, Right 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 B3951 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3951 2018 Chevrolet Silverado?
- Faulty Right Rear Turn Signal Lamp
- Right Rear Turn Signal Lamp harness is open or shorted
- Right Rear Turn Signal Lamp circuit poor electrical connection
How to Fix the DTC B3951 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
B3951:02 Right Rear Turn Signal Circuit Short to Ground
B3951:04 Right Rear Turn Signal Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3951 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.
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Frequently Asked Questions about B3951 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B3951 in a 2018 Chevrolet Silverado related to the right rear turn signal circuit?
The common symptoms include a non-functioning or rapidly blinking right rear turn signal, as well as a dashboard warning light indicating a turn signal issue.
2. What are some possible causes of OBDII code B3951 in a 2018 Chevrolet Silverado?
Possible causes of code B3951 could be a faulty right rear turn signal bulb, a damaged wiring harness, a malfunctioning turn signal relay, or a problem with the vehicle's body control module.
3. How can I diagnose the right rear turn signal circuit issue in my 2018 Chevrolet Silverado?
To diagnose the issue, start by visually inspecting the right rear turn signal bulb for damage. Next, check the wiring connections for any loose or corroded connections. Using a multimeter, test the voltage at the bulb socket to ensure power is reaching the bulb.
4. Is it safe to continue driving with OBDII code B3951 in a 2018 Chevrolet Silverado?
While it may be safe to drive with a non-functioning right rear turn signal during the day, it is crucial to get the issue resolved promptly to ensure proper signaling at night or in low visibility conditions.
5. Can I repair OBDII code B3951 in a 2018 Chevrolet Silverado myself?
Depending on your level of automotive expertise, you may be able to replace the right rear turn signal bulb or repair minor wiring issues yourself. However, more complex issues may require professional diagnosis and repair.
6. How much does it typically cost to repair OBDII code B3951 in a 2018 Chevrolet Silverado?
The cost of repairing code B3951 can vary widely depending on the root cause of the issue. Simple fixes like replacing a bulb may cost under $20, while more complex repairs involving the wiring harness or control module could cost several hundred dollars.
7. Will resetting the OBDII system clear code B3951 in a 2018 Chevrolet Silverado?
Resetting the OBDII system may temporarily clear the code, but it will likely reappear if the underlying issue with the right rear turn signal circuit is not addressed and resolved.
8. How long does it take to repair OBDII code B3951 in a 2018 Chevrolet Silverado?
The repair time for code B3951 can vary depending on the specific cause of the issue. Simple fixes like replacing a bulb can be done in minutes, while more complex repairs may take several hours or even a full day.
9. Can extreme weather conditions affect OBDII code B3951 in a 2018 Chevrolet Silverado?
Extreme weather conditions, such as heavy rain or snow, can potentially exacerbate issues with the right rear turn signal circuit by causing corrosion or short circuits in the wiring. It is essential to address any issues promptly to prevent further damage.
10. Are there any recalls or technical service bulletins related to OBDII code B3951 in a 2018 Chevrolet Silverado?
It's recommended to check with a Chevrolet dealership or the manufacturer's website for any recalls or technical service bulletins related to code B3951 in a 2018 Silverado. This information may provide insights into common issues and potential solutions for this specific problem.
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