AutoCodes – GMC – B0088 2018 GMC Sierra

B0088 2018 GMC Sierra Code - Right Rear Side Impact Sensor

Quick Answer

The impact sensors are equipped on vehicles to supplement the supplemental inflatable restraint (SIR) system performance. Common causes include Faulty Right Rear Side Impact Sensor, Right Rear Side Impact Sensor harness is open or shorted, Right Rear Side Impact Sensor circuit poor electrical connection. 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 2018 GMC Sierra indicates Right Rear Side Impact Sensor.
Common causes: Common causes include Faulty Right Rear Side Impact Sensor, Right Rear Side Impact Sensor harness is open or shorted, Right Rear Side Impact Sensor circuit poor electrical connection.
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.

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Code Popularity 306

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 24, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B0088 2018 GMC Sierra Description

The impact sensors are equipped on vehicles to supplement the supplemental inflatable restraint (SIR) system performance. The impact sensors are electronic and are not part of the deployment loops, but instead provide inputs to the Inflatable Restraint Sensing and Diagnostic Module (SDM). The impact sensors can assist in determining the severity of some frontal and side collisions. The Inflatable Restraint Sensing and Diagnostic Module use the input from the impact sensors to assist in determining the severity of a collision, further supporting air bag deployment. If the Inflatable Restraint Sensing and Diagnostic Module determines a deployment is warranted, the Inflatable Restraint Sensing and Diagnostic Module will cause current to flow through the deployment loops deploying the air bags.

OBDII Code B0088 2018 GMC Sierra - Right Rear Side Impact Sensor - AutoCodes.com — B0088 2018 GMC Sierra Code - Right Rear Side Impact Sensor

What does this mean?

What are the Possible Causes of the DTC B0088 2018 GMC Sierra?

Faulty Right Rear Side Impact Sensor
Right Rear Side Impact Sensor harness is open or shorted
Right Rear Side Impact Sensor circuit poor electrical connection
Faulty Inflatable Restraint Sensing and Diagnostic Module (SDM)

How to Fix the DTC B0088 2018 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0088 2018 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B0088 2018 GMC Sierra code?

Need more information on how to fix the B0088 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0088 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 2018 GMC Sierra Code

1. What does OBDII code B0088 for a 2018 GMC Sierra indicate?

- OBDII code B0088 for a 2018 GMC Sierra refers to a problem with the Right Rear Side Impact Sensor.

2. What are common symptoms of a faulty Right Rear Side Impact Sensor in a 2018 GMC Sierra?

- Common symptoms include the airbag warning light staying illuminated and potential issues with the airbag system deployment.

3. What are possible causes of OBDII code B0088 in a 2018 GMC Sierra?

- Possible causes include a malfunction in the Right Rear Side Impact Sensor itself, wiring issues, or a problem with the airbag control module.

4. How can I diagnose the Right Rear Side Impact Sensor in my 2018 GMC Sierra?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code, visually inspecting the sensor and its wiring, and performing electrical tests as needed.

5. Can I still drive my 2018 GMC Sierra with OBDII code B0088?

- It is not recommended to drive the vehicle with this code present, as it may affect the proper functioning of the airbag system in the event of a collision.

6. Is it safe to repair the Right Rear Side Impact Sensor in a 2018 GMC Sierra myself?

- Due to the critical nature of the airbag system, it is recommended to have a qualified technician diagnose and repair the sensor to ensure proper functionality and safety.

7. How much does it cost to repair the Right Rear Side Impact Sensor in a 2018 GMC Sierra?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the sensor, addressing wiring problems, or resetting the airbag system, with costs ranging from a few hundred to over a thousand dollars.

8. Can a faulty Right Rear Side Impact Sensor affect other systems in my 2018 GMC Sierra?

- A faulty sensor can potentially affect the overall airbag system's performance, which is designed to protect occupants in the event of a side impact collision.

9. Are there any recalls or technical service bulletins related to OBDII code B0088 for the 2018 GMC Sierra?

- It is advisable to check with a GMC dealership or the National Highway Traffic Safety Administration (NHTSA) to see if there are any relevant recalls or service bulletins for this specific issue.

10. How can I prevent issues with the Right Rear Side Impact Sensor in my 2018 GMC Sierra?

- Regular maintenance and inspections of the airbag system, as well as addressing any warning lights promptly, can help prevent issues with the Right Rear Side Impact Sensor and ensure the safety of the vehicle's occupants.