B3951 2015 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 2015 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3951 2015 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 2015 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 2015 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 2015 Chevrolet Silverado Code
1. What does the OBDII code B3951 mean on a 2015 Chevrolet Silverado?
The B3951 code indicates a problem in the right rear turn signal circuit, such as an open circuit, short, or communication issue.
2. What are the common symptoms of code B3951 in a 2015 Chevrolet Silverado?
Symptoms include the right rear turn signal not working, a fast-flashing turn signal indicator on the dashboard, or a warning light.
3. What causes the B3951 code to appear in a 2015 Chevrolet Silverado?
Common causes include a faulty bulb, damaged wiring, a corroded connector, or a malfunctioning Body Control Module (BCM).
4. How do I diagnose the B3951 code on my Silverado?
Start by inspecting the right rear turn signal bulb, wiring, and connectors for damage or corrosion, and then check for proper voltage and ground at the circuit.
5. Can a bad bulb cause the B3951 code?
Yes, a burned-out or incorrect bulb can trigger the B3951 code by disrupting the circuit's proper operation.
6. How do I fix the B3951 code in my 2015 Silverado?
Replace the faulty bulb, repair damaged wiring or connectors, and clear the code with an OBDII scanner. If the issue persists, test the BCM.
7. Will the B3951 code cause other electrical issues in my Silverado?
It typically affects only the turn signal function, but prolonged issues could lead to further strain on the electrical system.
8. How much does it cost to repair the B3951 code on a 2015 Chevrolet Silverado?
Costs vary based on the issue, but replacing a bulb is inexpensive, while wiring repairs or BCM replacement can range from $100 to $500 or more.
9. Can I drive my Silverado with the B3951 code active?
While the truck is still drivable, driving without a functioning right rear turn signal is unsafe and may be illegal.
10. Does clearing the B3951 code fix the problem?
Clearing the code may reset the system temporarily, but the underlying issue must be resolved to prevent the code from returning.
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