Engine-CodesGMC – B0088 2014 GMC Sierra

B0088 2014 GMC Sierra Code - Right Rear Side Impact Sensor

Quick Answer

The B0088 diagnostic trouble code (DTC) for a 2014 GMC Sierra specifically refers to an issue with the Right Rear Side Impact Sensor. Common causes include Faulty Right Rear Side Impact Sensor, Damaged wiring or connectors leading to the sensor, Corrosion or water damage affecting the sensor. 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
B0088 2014 GMC Sierra indicates Right Rear Side Impact Sensor.
Common causes
Common causes include Faulty Right Rear Side Impact Sensor, Damaged wiring or connectors leading to the sensor, Corrosion or water damage affecting the sensor.
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 17, 2024
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Code B0088 2014 GMC Sierra Description

The B0088 diagnostic trouble code (DTC) for a 2014 GMC Sierra specifically refers to an issue with the Right Rear Side Impact Sensor. This sensor is a crucial component of the vehicle's safety system, designed to detect impacts or collisions on the right rear side of the vehicle. When this sensor detects a significant impact, it sends a signal to the airbag control module to deploy the side curtain airbags and protect the occupants in the event of a collision.

OBDII Code B0088 2014 GMC Sierra - Right Rear Side Impact Sensor
B0088 2014 GMC Sierra Code - Right Rear Side Impact Sensor

Common Causes of B0088 2014 GMC Sierra

  1. Faulty Right Rear Side Impact Sensor
  2. Damaged wiring or connectors leading to the sensor
  3. Corrosion or water damage affecting the sensor
  4. Impact or collision causing physical damage to the sensor
  5. Issues with the airbag control module receiving signals from the sensor

Symptoms of B0088 2014 GMC Sierra

  1. Airbag warning light illuminated on the dashboard
  2. Side curtain airbags not deploying in a collision
  3. Diagnostic trouble code B0088 stored in the vehicle's computer
  4. Vehicle may fail safety inspections due to malfunctioning safety systems

How to Fix B0088 2014 GMC Sierra

  1. Diagnose the issue by using a scan tool to retrieve the specific DTC and identify the problem with the Right Rear Side Impact Sensor.
  2. Inspect the sensor, wiring, and connectors for any visible damage or corrosion. Repair or replace any damaged components.
  3. Clear the DTC from the vehicle's computer and reset the system to see if the issue persists.
  4. Test the sensor by simulating an impact or collision to ensure it is functioning properly and triggering the airbag deployment signal.
  5. If the sensor is still not working correctly, replace the Right Rear Side Impact Sensor with a new, OEM part to restore the safety system's functionality.

Cost to Fix B0088 2014 GMC Sierra

The typical repair costs for addressing a Right Rear Side Impact Sensor issue can vary depending on the specific problem and the cost of parts and labor. In general, replacing a faulty sensor and addressing any related wiring or connector issues can range from $200 to $500. However, it is essential to note that labor rates at auto repair shops can vary significantly, with hourly rates typically ranging from $80 to $150. Additionally, the cost of parts can vary based on the vehicle make and model. It is advisable to consult with a trusted mechanic or repair shop to get a more accurate estimate based on the specific circumstances of the vehicle.

Tech Notes for B0088 2014 GMC Sierra

B0088:02 Right Rear Side Impact Sensor Short to Ground

B0088:05 Right Rear Side Impact Sensor High Voltage/Open

B0088:39 Right Rear Side Impact Sensor Internal Malfunction

B0088:3A Right Rear Side Impact Sensor Incorrect Component Installed

B0088:71 Right Rear Side Impact Sensor Invalid Data

Need more information about the B0088 2014 GMC Sierra code?

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 B0088 2014 GMC Sierra Code

1. What does the OBDII code B0088 for a 2014 GMC Sierra indicate?

The code B0088 in a 2014 GMC Sierra relates to the Right Rear Side Impact Sensor.

2. What are common symptoms of a B0088 code in a 2014 GMC Sierra?

Common symptoms of a B0088 code can include the airbag warning light illuminating on the dashboard and potential issues with the airbag system.

3. What are possible causes of a B0088 code in a 2014 GMC Sierra?

Possible causes of a B0088 code can include a faulty Right Rear Side Impact Sensor, wiring issues, or a problem with the airbag control module.

4. How can I diagnose a B0088 code in my 2014 GMC Sierra?

Diagnosing a B0088 code typically involves using a diagnostic scan tool to read the code, inspecting the Right Rear Side Impact Sensor and its wiring for damage, and testing the sensor's functionality.

5. Can I still drive my 2014 GMC Sierra with a B0088 code?

It is not recommended to drive your vehicle with a B0088 code as it indicates a potential issue with the airbag system, which is crucial for passenger safety in the event of a collision.

6. How can I repair a B0088 code in my 2014 GMC Sierra?

Repairing a B0088 code may involve replacing the Right Rear Side Impact Sensor, repairing any damaged wiring, or addressing any issues with the airbag control module.

7. Is it safe to reset the B0088 code in my 2014 GMC Sierra without fixing the underlying issue?

It is not safe to reset the B0088 code without addressing the underlying problem, as it could compromise the functionality of the airbag system and put occupants at risk in the event of a crash.

8. How much does it cost to repair a B0088 code in a 2014 GMC Sierra?

The cost of repairing a B0088 code can vary depending on the specific issue, but it may involve parts and labor expenses for sensor replacement or wiring repairs.

9. Can a DIY enthusiast fix a B0088 code in a 2014 GMC Sierra?

While some DIY enthusiasts may have the skills to diagnose and repair a B0088 code, working on the airbag system can be complex and requires precision to ensure proper functionality and safety.

10. How often should I have the airbag system inspected in my 2014 GMC Sierra to prevent B0088 codes?

It is recommended to have the airbag system inspected during routine maintenance checks or if you notice any warning lights or unusual behavior to prevent issues like the B0088 code from occurring.

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