Engine-CodesGMC – B2955 2016 GMC Sierra

B2955 2016 GMC Sierra Code - Security Sensor Data Circuit Malfunction

Quick Answer

The B2955 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a Security Sensor Data Circuit Malfunction. Common causes include Damaged wiring or connectors in the security sensor circuit, Faulty security sensor, Malfunctioning security control module. 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 2016 GMC Sierra indicates Security Sensor Data Circuit Malfunction.
Common causes
Common causes include Damaged wiring or connectors in the security sensor circuit, Faulty security sensor, Malfunctioning security control module.
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 B2955 2016 GMC Sierra Description

The B2955 diagnostic trouble code (DTC) for a 2016 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 communicate data related to the security of the vehicle. When this code is triggered, it means that there is a malfunction in the circuit that is responsible for transmitting this data.

OBDII Code B2955 2016 GMC Sierra - Security Sensor Data Circuit Malfunction
B2955 2016 GMC Sierra Code - Security Sensor Data Circuit Malfunction

Common Causes of B2955 2016 GMC Sierra

  1. Damaged wiring or connectors in the security sensor circuit
  2. Faulty security sensor
  3. Malfunctioning security control module
  4. Issues with the vehicle's battery or electrical system
  5. Corrosion or moisture in the security sensor circuit

Symptoms of B2955 2016 GMC Sierra

  1. Security warning light illuminated on the dashboard
  2. Vehicle not starting or going into security lockout mode
  3. Alarm system going off unexpectedly
  4. Issues with remote keyless entry system
  5. Inconsistent behavior of security system

How to Fix B2955 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the security sensor circuit, checking for any damaged wiring or connectors.
  2. Test the security sensor and security control module for proper functionality.
  3. Address any issues with the vehicle's battery or electrical system that may be affecting the security sensor circuit.
  4. Clear the DTC from the vehicle's computer system and reset the security system.
  5. Test the security system to ensure proper operation after repairs have been completed.

Cost to Fix B2955 2016 GMC Sierra

The typical repair costs for addressing a Security Sensor Data Circuit Malfunction 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 could range from $100 to $500, while labor costs could range from $150 to $300. Overall, the total repair cost could range from $250 to $800. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the specific diagnosis and repair process required. It is advisable to consult with a qualified mechanic or auto repair shop 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 2016 GMC Sierra Code

1. What does OBDII code B2955 for a 2016 GMC Sierra indicate?

The B2955 code specifically points to a Security Sensor Data Circuit Malfunction in the vehicle.

2. What are the common symptoms of a Security Sensor Data Circuit Malfunction in a 2016 GMC Sierra?

Common symptoms include issues with the vehicle's security system, such as the alarm not working properly or the vehicle not starting.

3. What can cause the B2955 code to trigger in a 2016 GMC Sierra?

The code can be triggered by issues with the security sensor itself, wiring problems, a faulty security module, or a malfunction in the security system circuit.

4. How serious is the Security Sensor Data Circuit Malfunction in a 2016 GMC Sierra?

While the vehicle may still be operable with this issue, it is important to address it promptly to ensure the proper functioning of the security system.

5. Can I still drive my 2016 GMC Sierra with the B2955 code present?

It is generally safe to drive the vehicle with this code, but it is recommended to have it diagnosed and repaired as soon as possible to avoid potential security issues.

6. How can I diagnose the Security Sensor Data Circuit Malfunction in my 2016 GMC Sierra?

Diagnosis typically involves using an OBDII scanner to read the code and then conducting further testing to pinpoint the exact cause, which may require professional assistance.

7. What are some repair tips for fixing the B2955 code in a 2016 GMC Sierra?

Repairing this issue may involve checking and repairing wiring connections, replacing the security sensor, or addressing any faults in the security system components.

8. Can I reset the B2955 code in my 2016 GMC Sierra on my own?

You can attempt to clear the code using an OBDII scanner, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

9. How much does it cost to repair the Security Sensor Data Circuit Malfunction in a 2016 GMC Sierra?

The cost of repairs can vary depending on the specific cause of the issue, but it is advisable to consult a professional for an accurate diagnosis and cost estimate.

10. Is the Security Sensor Data Circuit Malfunction covered under warranty for a 2016 GMC Sierra?

Depending on the vehicle's warranty status and the specific circumstances, this issue may be covered under warranty, so it is recommended to check with your dealership or manufacturer for more information.

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