B3951 2015 Chevrolet Silverado Code - Right Rear Turn Signal Circuit
Quick Answer
The B3951 diagnostic trouble code (DTC) on a 2015 Chevrolet Silverado indicates a problem with the right rear turn signal circuit. Common causes include Faulty wiring harness leading to the right rear turn signal, Burnt-out or damaged right rear turn signal bulb, Malfunctioning 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
- B3951 2015 Chevrolet Silverado indicates Right Rear Turn Signal Circuit.
- Common causes
- Common causes include Faulty wiring harness leading to the right rear turn signal, Burnt-out or damaged right rear turn signal bulb, Malfunctioning 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 B3951 2015 Chevrolet Silverado Description
The B3951 diagnostic trouble code (DTC) on a 2015 Chevrolet Silverado indicates a problem with the right rear turn signal circuit. This code specifically points to an issue with the electrical system that controls the right rear turn signal on the vehicle. The turn signal circuit is responsible for providing the necessary power and ground connections to the right rear turn signal bulb, allowing it to illuminate when the turn signal is activated.
Common Causes of B3951 2015 Chevrolet Silverado
- Faulty wiring harness leading to the right rear turn signal.
- Burnt-out or damaged right rear turn signal bulb.
- Malfunctioning turn signal switch.
- Issue with the body control module (BCM) controlling the turn signal circuit.
- Corrosion or poor connections in the turn signal circuit.
Symptoms of B3951 2015 Chevrolet Silverado
- Right rear turn signal not illuminating.
- Rapid flashing of the right turn signal indicator on the dashboard.
- Right rear turn signal blinking irregularly or dimly.
- Right rear turn signal staying on constantly without blinking.
- Error message on the instrument cluster indicating a turn signal fault.
How to Fix B3951 2015 Chevrolet Silverado
- Begin by inspecting the wiring harness for any visible damage or breaks. Repair or replace the wiring as needed.
- Check the right rear turn signal bulb for proper operation. Replace the bulb if it is burnt out or damaged.
- Test the turn signal switch for any faults. Replace the switch if necessary.
- Scan the BCM for error codes related to the turn signal circuit. Clear any codes and retest the turn signal function.
- Conduct a thorough test of the right rear turn signal circuit to ensure proper operation after repairs have been made.
Cost to Fix B3951 2015 Chevrolet Silverado
The cost of repairing the right rear turn signal circuit on a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair typically ranges from $50 to $200, while labor costs can range from $80 to $150 per hour. Overall, the total repair cost for addressing the B3951 code may fall in the range of $150 to $500, depending on the factors mentioned above. It's important to note that prices may vary based on location and the specific repair shop chosen for the service.
Tech Notes for B3951 2015 Chevrolet Silverado
B3951:02 Right Rear Turn Signal Circuit Short to Ground
B3951:04 Right Rear Turn Signal Circuit Open
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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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