Engine-CodesChevrolet – B1271 2014 Chevrolet Silverado

B1271 2014 Chevrolet Silverado Code - Theft Protection Active

Quick Answer

The B1271 code on a 2014 Chevrolet Silverado indicates that the vehicle's theft protection system is active. Common causes include Faulty key fob or key, Malfunctioning body control module (BCM), Wiring issues in the theft protection system. 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
B1271 2014 Chevrolet Silverado indicates Theft Protection Active.
Common causes
Common causes include Faulty key fob or key, Malfunctioning body control module (BCM), Wiring issues in the theft protection system.
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 16, 2024
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Code B1271 2014 Chevrolet Silverado Description

The B1271 code on a 2014 Chevrolet Silverado indicates that the vehicle's theft protection system is active. This means that the vehicle's anti-theft system has detected a potential threat or unauthorized access, triggering the code to alert the driver. The theft protection system is designed to prevent theft by immobilizing the vehicle or sounding an alarm if someone tries to start the vehicle without the proper key or access code.

OBDII Code B1271 2014 Chevrolet Silverado - Theft Protection Active
B1271 2014 Chevrolet Silverado Code - Theft Protection Active

Common Causes of B1271 2014 Chevrolet Silverado

  1. Faulty key fob or key
  2. Malfunctioning body control module (BCM)
  3. Wiring issues in the theft protection system
  4. Aftermarket modifications interfering with the system
  5. Low battery voltage affecting the system's operation

Symptoms of B1271 2014 Chevrolet Silverado

  1. Vehicle not starting
  2. Engine cranks but does not start
  3. Security light illuminated on the dashboard
  4. Message on the instrument cluster indicating "Theft Protection Active"

How to Fix B1271 2014 Chevrolet Silverado

  1. Check the key fob and key for proper functioning. Replace if necessary.
  2. Perform a diagnostic scan to check for any fault codes in the BCM.
  3. Inspect the wiring in the theft protection system for any damage or loose connections.
  4. Reset the theft protection system by disconnecting the battery for a few minutes.
  5. If the issue persists, consult a professional mechanic for further diagnosis and repair.

Cost to Fix B1271 2014 Chevrolet Silverado

The cost of repairing the B1271 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty key fob or key can range from $50 to $200. If the issue is related to the BCM or wiring, the cost can be higher, ranging from $200 to $500 or more. Labor costs for diagnosis and repair can add an additional $80 to $150 per hour. It is recommended to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of the vehicle.

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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 B1271 2014 Chevrolet Silverado Code

1. What does the OBDII code B1271 on a 2014 Chevrolet Silverado mean?

The code B1271 indicates that the vehicle's theft protection system is active.

2. What are the common symptoms of the Theft Protection Active code (B1271) on a 2014 Chevrolet Silverado?

Common symptoms include the vehicle not starting, the security light flashing, or an inability to turn the ignition key.

3. What are the possible causes of the B1271 code on a 2014 Chevrolet Silverado?

Possible causes include a faulty ignition switch, a problem with the key fob, issues with the immobilizer system, or a malfunction in the theft deterrent module.

4. How can I diagnose the B1271 code on my 2014 Chevrolet Silverado?

Diagnosing the B1271 code may require using a diagnostic scanner to retrieve the specific trouble code, checking the battery voltage, inspecting the ignition switch, and testing the key fob.

5. How can I reset the Theft Protection Active code (B1271) on my 2014 Chevrolet Silverado?

To reset the code, you may need to disconnect the battery for a few minutes to clear the system's memory. However, it's important to address the underlying issue to prevent the code from reoccurring.

6. Can I drive my 2014 Chevrolet Silverado with the Theft Protection Active code (B1271) present?

It is not recommended to drive the vehicle with the B1271 code active, as it may lead to starting issues or potential security system malfunctions.

7. How much does it cost to repair the B1271 code on a 2014 Chevrolet Silverado?

The cost of repairing the B1271 code can vary depending on the underlying cause. It's recommended to consult a professional mechanic for an accurate diagnosis and repair estimate.

8. Is the B1271 code a serious issue on a 2014 Chevrolet Silverado?

While the B1271 code is not a critical issue that affects the vehicle's drivability, it should be addressed promptly to avoid potential starting or security system problems.

9. Can I fix the B1271 code on my 2014 Chevrolet Silverado myself?

Depending on your automotive knowledge and skills, you may be able to address the B1271 code yourself by following diagnostic steps and repair procedures outlined in the vehicle's manual.

10. How often does the Theft Protection Active code (B1271) occur in a 2014 Chevrolet Silverado?

The occurrence of the B1271 code can vary and may be influenced by factors such as the vehicle's age, maintenance history, and usage patterns.

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