Engine-CodesGMC – B0088 2017 GMC Sierra

B0088 2017 GMC Sierra Code - Right Rear Side Impact Sensor

Quick Answer

The B0088 code on a 2017 GMC Sierra indicates a problem with the right rear side impact sensor. Common causes include Sensor wiring or connector issues, Sensor damaged due to impact or corrosion, Faulty sensor 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
B0088 2017 GMC Sierra indicates Right Rear Side Impact Sensor.
Common causes
Common causes include Sensor wiring or connector issues, Sensor damaged due to impact or corrosion, Faulty sensor 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 17, 2024
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Code B0088 2017 GMC Sierra Description

The B0088 code on a 2017 GMC Sierra indicates a problem with the right rear side impact sensor. This sensor is a crucial component of the vehicle's safety system, designed to detect impacts on the right rear side of the vehicle and trigger the deployment of the side airbags to protect the occupants in the event of a collision. When this sensor malfunctions or fails, it can compromise the effectiveness of the airbag system, potentially putting the vehicle's occupants at risk in a crash.

OBDII Code B0088 2017 GMC Sierra - Right Rear Side Impact Sensor
B0088 2017 GMC Sierra Code - Right Rear Side Impact Sensor

Common Causes of B0088 2017 GMC Sierra

  1. Sensor wiring or connector issues.
  2. Sensor damaged due to impact or corrosion.
  3. Faulty sensor module.
  4. Issues with the airbag control module.
  5. Electrical problems in the circuit connecting the sensor to the airbag system.

Symptoms of B0088 2017 GMC Sierra

  1. Airbag warning light illuminated on the dashboard.
  2. Side airbags not deploying in a collision.
  3. False deployment of side airbags.
  4. Diagnostic trouble code B0088 stored in the vehicle's computer system.

How to Fix B0088 2017 GMC Sierra

  1. Begin by diagnosing the specific cause of the B0088 code using a scan tool to pinpoint the exact issue with the right rear side impact sensor.
  2. Inspect the sensor wiring and connectors for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the sensor itself for proper functionality. If the sensor is damaged, replace it with a new one.
  4. Check the airbag control module for any faults or malfunctions that may be affecting the sensor's operation. Repair or replace the module if needed.
  5. Clear the diagnostic trouble code from the vehicle's computer system and perform a test drive to ensure that the issue has been resolved and the airbag system is functioning correctly.

Cost to Fix B0088 2017 GMC Sierra

The cost of repairing a B0088 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, replacing a side impact sensor can cost between $100 and $300, while addressing wiring or connector issues may range from $50 to $150. If the airbag control module needs to be replaced, this can add an additional $200 to $500 to the repair costs. Overall, the total repair bill for this issue could range from $150 to $800, including parts and labor. It's important to note that these are rough estimates, and actual costs may vary based on the location, vehicle make and model, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on the specific circumstances of your vehicle.

Tech Notes for B0088 2017 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 2017 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 2017 GMC Sierra Code

1. What does OBDII code B0088 for a 2017 GMC Sierra indicate?

- OBDII code B0088 specifically refers to the Right Rear Side Impact Sensor malfunction in a 2017 GMC Sierra.

2. What are common symptoms of a faulty Right Rear Side Impact Sensor?

- Common symptoms include the airbag warning light illuminating on the dashboard, potential airbag system malfunctions, and possible error codes stored in the system.

3. What are possible causes of the B0088 code in a 2017 GMC Sierra?

- The B0088 code in a 2017 GMC Sierra is commonly triggered by issues such as sensor wiring faults, sensor damage, or issues with the airbag control module.

4. How can I diagnose a Right Rear Side Impact Sensor issue in my GMC Sierra?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific B0088 code, inspecting the sensor and its wiring for damage, and checking for any loose connections.

5. Can I drive my 2017 GMC Sierra with the B0088 code?

- It is not recommended to drive the vehicle with the B0088 code as it indicates a potential problem with the airbag system, which could compromise safety in the event of a collision.

6. How can I repair a Right Rear Side Impact Sensor issue in my GMC Sierra?

- Repairing the issue may involve replacing the faulty sensor, repairing damaged wiring, or addressing any underlying issues with the airbag control module.

7. Is it possible to reset the B0088 code without fixing the underlying problem?

- While clearing the code temporarily may turn off the warning light, it is crucial to address the root cause of the issue to ensure the proper functioning of the airbag system.

8. Are there any recalls or technical service bulletins related to the B0088 code in a 2017 GMC Sierra?

- It's recommended to check with a GMC dealership or online resources for any recalls or technical service bulletins related to the B0088 code in your specific vehicle.

9. Should I attempt to repair the Right Rear Side Impact Sensor issue myself?

- Due to the importance of the airbag system for safety, it's advisable to have a qualified mechanic or dealership address the B0088 code to ensure proper diagnosis and repair.

10. How much does it typically cost to repair a Right Rear Side Impact Sensor issue in a 2017 GMC Sierra?

- The cost of repair can vary depending on the specific issue, but it may involve parts and labor costs ranging from a few hundred to over a thousand dollars, including diagnosis and replacement.

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