Engine-CodesGMC – B0086 2016 GMC Sierra

B0086 2016 GMC Sierra Code - Right Front Side Impact Sensor

Quick Answer

The B0086 code for a 2016 GMC Sierra indicates a problem with the right front side impact sensor. Common causes include Sensor malfunction due to internal component failure, Wiring issues such as damaged or corroded connections, Physical damage to the sensor from a previous collision or impact. 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
B0086 2016 GMC Sierra indicates Right Front Side Impact Sensor.
Common causes
Common causes include Sensor malfunction due to internal component failure, Wiring issues such as damaged or corroded connections, Physical damage to the sensor from a previous collision or impact.
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 12, 2024
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Code B0086 2016 GMC Sierra Description

The B0086 code for a 2016 GMC Sierra indicates a problem with the right front side impact sensor. This sensor is a crucial component of the vehicle's safety system, as it is responsible for detecting side impacts and deploying the appropriate airbags to protect the occupants in the event of a collision. When this sensor malfunctions or fails, it can compromise the vehicle's ability to deploy airbags accurately in the event of a side impact, putting the occupants at risk of serious injury.

OBDII Code B0086 2016 GMC Sierra - Right Front Side Impact Sensor
B0086 2016 GMC Sierra Code - Right Front Side Impact Sensor

Common Causes of B0086 2016 GMC Sierra

  1. Sensor malfunction due to internal component failure
  2. Wiring issues such as damaged or corroded connections
  3. Physical damage to the sensor from a previous collision or impact
  4. Faulty airbag control module affecting communication with the sensor
  5. Water or moisture intrusion causing sensor malfunction

Symptoms of B0086 2016 GMC Sierra

  1. Airbag warning light illuminated on the dashboard
  2. Inconsistent or delayed airbag deployment in a side impact scenario
  3. Diagnostic trouble codes related to the right front side impact sensor
  4. Loss of communication with the airbag control module

How to Fix B0086 2016 GMC Sierra

  1. Begin by diagnosing the issue using a scan tool to retrieve the specific trouble code and identify the source of the problem.
  2. Inspect the wiring and connections associated with the right front side impact sensor for any signs of damage or corrosion. Repair or replace any faulty wiring as needed.
  3. Check the sensor itself for physical damage and ensure it is securely mounted in the correct location. Replace the sensor if necessary.
  4. Clear the trouble code from the vehicle's computer system and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the airbag control module or related components.

Cost to Fix B0086 2016 GMC Sierra

** The typical repair costs for addressing a B0086 code related to the right front side impact sensor in a 2016 GMC Sierra can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly depending on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to obtain multiple quotes from reputable repair facilities to ensure a fair price for the necessary repairs.

Tech Notes for B0086 2016 GMC Sierra

B0086:02 Right Front Side Impact Sensor Short to Ground

B0086:05 Right Front Side Impact Sensor High Voltage/Open

B0086:0F Right Front Side Impact Sensor Signal Erratic

B0086:39 Right Front Side Impact Sensor Internal Malfunction

B0086:3A Right Front Side Impact Sensor Incorrect Component Installed

B0086:71 Right Front Side Impact Sensor Invalid Data

Need more information about the B0086 2016 GMC Sierra code?

Need more information on how to fix the B0086 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the 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 B0086 2016 GMC Sierra Code

1. What does OBDII code B0086 for a 2016 GMC Sierra mean?

The B0086 code specifically relates to the Right Front Side Impact Sensor on a 2016 GMC Sierra.

2. What are common symptoms of a Right Front Side Impact Sensor issue?

Common symptoms may include the airbag warning light illuminating on the dashboard and potential issues with the airbag system's functionality.

3. What are possible causes of OBDII code B0086 in a 2016 GMC Sierra?

Possible causes include a malfunctioning or damaged Right Front Side Impact Sensor, wiring issues, or a problem with the airbag control module.

4. How can I diagnose a B0086 trouble code in my 2016 GMC Sierra?

Diagnosis typically involves using a scan tool to read the code, checking the sensor and its wiring for damage or corrosion, and testing the sensor's functionality.

5. Can I drive my GMC Sierra with an active B0086 trouble code?

It is not recommended to drive the vehicle with an active B0086 code, as it indicates a potential issue with the airbag system's safety features.

6. How can I reset the B0086 trouble code in my 2016 GMC Sierra?

Resetting the code usually involves using an OBDII scanner to clear the code after addressing the underlying issue with the Right Front Side Impact Sensor.

7. Is it safe to repair a B0086 code on my GMC Sierra myself?

Repairing a B0086 code may involve working with the airbag system, which can be dangerous if not done correctly. It's recommended to have a professional mechanic handle the repair.

8. What are the potential risks of ignoring a B0086 trouble code in my 2016 GMC Sierra?

Ignoring a B0086 code could result in the airbag system not deploying properly in the event of a collision, potentially leading to increased injury risk for occupants.

9. How much does it typically cost to repair a B0086 trouble code on a 2016 GMC Sierra?

The cost of repairing a B0086 code can vary depending on the underlying issue, but it may involve replacing the Right Front Side Impact Sensor, addressing wiring problems, or resetting the airbag system.

10. Can a B0086 trouble code on a 2016 GMC Sierra be a false alarm?

While rare, false alarms can occur with OBDII trouble codes. It's still essential to diagnose and address the issue to ensure the airbag system's proper functioning and safety.

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