Engine-CodesChevrolet – B3951 2014 Chevrolet Silverado

B3951 2014 Chevrolet Silverado Code - Right Rear Turn Signal Circuit

Quick Answer

The B3951 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado specifically relates to the right rear turn signal circuit. Common causes include Faulty turn signal bulb, Damaged wiring in the right rear turn signal circuit, Defective 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 2014 Chevrolet Silverado indicates Right Rear Turn Signal Circuit.
Common causes
Common causes include Faulty turn signal bulb, Damaged wiring in the right rear turn signal circuit, Defective 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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code B3951 2014 Chevrolet Silverado Description

The B3951 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado specifically relates to the right rear turn signal circuit. This code indicates that there is a malfunction or fault in the circuit that controls the right rear turn signal on the vehicle. The turn signal circuit is an essential component of the vehicle's lighting system, responsible for indicating the driver's intention to turn or change lanes to other road users. When this circuit is compromised, it can lead to safety concerns and potential legal issues due to non-functioning turn signals.

OBDII Code B3951 2014 Chevrolet Silverado - Right Rear Turn Signal Circuit
B3951 2014 Chevrolet Silverado Code - Right Rear Turn Signal Circuit

Common Causes of B3951 2014 Chevrolet Silverado

  1. Faulty turn signal bulb
  2. Damaged wiring in the right rear turn signal circuit
  3. Defective turn signal switch
  4. Malfunctioning body control module
  5. Corrosion or poor connections in the turn signal circuit

Symptoms of B3951 2014 Chevrolet Silverado

  1. Right rear turn signal not working
  2. Rapid blinking of the right rear turn signal
  3. Dashboard indicator for turn signal flashing rapidly
  4. Turn signal light staying on continuously without blinking

How to Fix B3951 2014 Chevrolet Silverado

  1. Begin by visually inspecting the right rear turn signal bulb to check for any signs of damage or burnout. Replace the bulb if necessary.
  2. Inspect the wiring in the right rear turn signal circuit for any visible damage, corrosion, or loose connections. Repair or replace damaged wiring as needed.
  3. Test the turn signal switch to ensure it is functioning correctly. Replace the switch if it is found to be defective.
  4. Use a diagnostic tool to scan the vehicle's body control module for any error codes related to the right rear turn signal circuit. Address any identified issues with the module.
  5. Clear the DTC from the vehicle's onboard computer after completing the repairs and test the right rear turn signal to ensure it is functioning properly.

Cost to Fix B3951 2014 Chevrolet Silverado

The cost of repairing the right rear turn signal circuit on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $100 to $300 for parts and labor to address this problem. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple shops to ensure you get the best price for the repair.

Tech Notes for B3951 2014 Chevrolet Silverado

B3951:01 Right Rear Turn Signal Circuit Short to Battery

B3951:02 Right Rear Turn Signal Circuit Short to Ground

B3951:04 Right Rear Turn Signal Circuit Open

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B3951 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B3951 in a 2014 Chevrolet Silverado related to the right rear turn signal circuit?

The common symptoms include the right rear turn signal not functioning properly or not illuminating at all when activated.

2. What are the possible causes of OBDII code B3951 in a 2014 Chevrolet Silverado indicating an issue with the right rear turn signal circuit?

Possible causes include a faulty 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 B3951 in my 2014 Chevrolet Silverado affecting the right rear turn signal circuit?

You can start by visually inspecting the right rear turn signal bulb and wiring for any visible damage. Using a multimeter to test the bulb socket and continuity of the wiring can also help pinpoint the issue.

4. Can I repair OBDII code B3951 in my 2014 Chevrolet Silverado related to the right rear turn signal circuit myself?

Depending on the exact cause, you may be able to perform the repair yourself. Replacing a faulty bulb or repairing a damaged wire are relatively straightforward tasks, while diagnosing and fixing issues with the turn signal switch or body control module may require professional assistance.

5. Are there any tips for preventing OBDII code B3951 in a 2014 Chevrolet Silverado from recurring in the future?

Ensuring regular maintenance of your vehicle's lighting system, promptly replacing any malfunctioning bulbs, and avoiding overloading the electrical circuits can help prevent the recurrence of this OBDII code.

6. How urgent is it to address OBDII code B3951 in a 2014 Chevrolet Silverado related to the right rear turn signal circuit?

While driving with a malfunctioning turn signal is not safe and can lead to traffic violations, addressing this OBDII code promptly is recommended to ensure proper signaling and overall vehicle safety.

7. Is it possible for other vehicle systems to be affected by OBDII code B3951 in a 2014 Chevrolet Silverado indicating a problem with the right rear turn signal circuit?

While the code specifically relates to the right rear turn signal circuit, electrical issues in one part of the vehicle can sometimes impact other systems, so it's essential to address the problem promptly to prevent further complications.

8. Can extreme weather conditions or environmental factors trigger OBDII code B3951 in a 2014 Chevrolet Silverado involving the right rear turn signal circuit?

While uncommon, extreme weather conditions or exposure to moisture can potentially cause electrical issues leading to this OBDII code. Keeping the vehicle protected and dry can help prevent such occurrences.

9. Are there any recalls or technical service bulletins related to OBDII code B3951 in a 2014 Chevrolet Silverado associated with the right rear turn signal circuit?

It's advisable to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins that may address this specific OBDII code and related issues in the 2014 Silverado.

10. How do I reset OBDII code B3951 in my 2014 Chevrolet Silverado after repairing the issue with the right rear turn signal circuit?

After addressing the root cause of the problem, you can reset the OBDII code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code from the system.

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