Engine-CodesGMC – B2955 2015 GMC Sierra

B2955 2015 GMC Sierra Code - Security Sensor Data Circuit Malfunction

Quick Answer

The B2955 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a Security Sensor Data Circuit Malfunction. Common causes include Faulty security sensor, Wiring harness issues, Corrosion or damage to sensor connections. 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
B2955 2015 GMC Sierra indicates Security Sensor Data Circuit Malfunction.
Common causes
Common causes include Faulty security sensor, Wiring harness issues, Corrosion or damage to sensor connections.
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 11, 2024
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Code B2955 2015 GMC Sierra Description

The B2955 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a Security Sensor Data Circuit Malfunction. This code is related to the vehicle's security system, specifically the sensors that monitor and detect unauthorized access or tampering. In this case, the malfunction could be caused by a variety of issues, such as a faulty sensor, wiring problems, or a communication error between the sensor and the vehicle's computer.

OBDII Code B2955 2015 GMC Sierra - Security Sensor Data Circuit Malfunction
B2955 2015 GMC Sierra Code - Security Sensor Data Circuit Malfunction

Common Causes of B2955 2015 GMC Sierra

  1. Faulty security sensor
  2. Wiring harness issues
  3. Corrosion or damage to sensor connections
  4. Communication error between sensor and vehicle's computer

Symptoms of B2955 2015 GMC Sierra

  1. Engine not starting
  2. Alarm system going off unexpectedly
  3. Issues with door locks or remote keyless entry
  4. Security light flashing on the dashboard

How to Fix B2955 2015 GMC Sierra

  1. Use a scan tool to retrieve the trouble code and diagnose the issue
  2. Inspect the wiring harness for any damage or corrosion
  3. Test the functionality of the security sensor
  4. Repair or replace any faulty components
  5. Clear the trouble code and test the system to ensure the issue is resolved

Cost to Fix B2955 2015 GMC Sierra

The typical repair costs for addressing a Security Sensor Data Circuit Malfunction can vary depending on the specific cause of the issue. In general, parts for this repair could range from $50 to $200, while labor costs could range from $100 to $300. Overall, the total cost could be anywhere from $150 to $500. It's important to note that these estimates are rough averages and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. Be sure to consult with a qualified automotive technician for a more accurate cost estimate.

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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 B2955 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B2955 in a 2015 GMC Sierra?

The common symptoms of OBDII code B2955 (Security Sensor Data Circuit Malfunction) in a 2015 GMC Sierra include issues with the security system, difficulty starting the vehicle, and the security light staying on.

2. What can cause the OBDII code B2955 in a 2015 GMC Sierra?

The OBDII code B2955 in a 2015 GMC Sierra is typically caused by a malfunction in the security sensor data circuit, faulty security sensor, wiring issues, or a problem with the body control module.

3. How can I diagnose the Security Sensor Data Circuit Malfunction in my 2015 GMC Sierra?

Diagnosing the Security Sensor Data Circuit Malfunction in a 2015 GMC Sierra involves using a diagnostic scanner to retrieve the specific fault code, inspecting the security sensor and its wiring for any damage, and testing the body control module for proper functioning.

4. Can I still drive my 2015 GMC Sierra with the B2955 code present?

It is not recommended to drive your 2015 GMC Sierra with the B2955 code present, as it may indicate a potential issue with the security system that could affect the vehicle's performance or safety.

5. How serious is the Security Sensor Data Circuit Malfunction in a 2015 GMC Sierra?

The Security Sensor Data Circuit Malfunction (B2955) in a 2015 GMC Sierra should be addressed promptly as it can impact the security and starting system of the vehicle, potentially leading to inconvenience or security concerns.

6. Are there any DIY repair tips for fixing the B2955 code in a 2015 GMC Sierra?

DIY repair tips for fixing the B2955 code in a 2015 GMC Sierra include checking and repairing any damaged wiring, ensuring the security sensor is properly connected, and resetting the fault code using a diagnostic scanner.

7. How much does it cost to repair the Security Sensor Data Circuit Malfunction in a 2015 GMC Sierra?

The cost to repair the Security Sensor Data Circuit Malfunction in a 2015 GMC Sierra can vary depending on the specific cause of the issue, but it may range from a few hundred to a thousand dollars at a dealership or repair shop.

8. Can resetting the OBDII code B2955 in my 2015 GMC Sierra fix the issue temporarily?

Resetting the OBDII code B2955 in a 2015 GMC Sierra may temporarily clear the fault code, but if the underlying issue causing the Security Sensor Data Circuit Malfunction is not addressed, the code is likely to reappear.

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