AutoCodesChevrolet – B0085 2017 Chevrolet Silverado

B0085 2017 Chevrolet Silverado Code - Left Front 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 Left Front Side Impact Sensor, Left Front Side Impact Sensor harness is open or shorted, Left Front 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
B0085 2017 Chevrolet Silverado indicates Left Front Side Impact Sensor.
Common causes
Common causes include Faulty Left Front Side Impact Sensor, Left Front Side Impact Sensor harness is open or shorted, Left Front 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 818
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 06, 2022
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Code B0085 2017 Chevrolet Silverado 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 B0085 2017 Chevrolet Silverado - Left Front Side Impact Sensor - AutoCodes.com
B0085 2017 Chevrolet Silverado Code - Left Front Side Impact Sensor

What are the Possible Causes of the DTC B0085 2017 Chevrolet Silverado?

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

How to Fix the DTC B0085 2017 Chevrolet Silverado?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0085 2017 Chevrolet Silverado 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 B0085 2017 Chevrolet Silverado code?

Need more information on how to fix the B0085 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0085 2017 Chevrolet Silverado 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 B0085 2017 Chevrolet Silverado Code

1. What does OBDII code B0085 for a 2017 Chevrolet Silverado indicate?

The code B0085 specifically relates to the Left Front Side Impact Sensor on the 2017 Chevrolet Silverado.

2. What are the common symptoms of a Left Front Side Impact Sensor issue in a 2017 Chevrolet Silverado?

Common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the airbag system deployment.

3. What are some possible causes of OBDII code B0085 in a 2017 Chevrolet Silverado?

Potential causes of the B0085 code can include a faulty Left Front Side Impact Sensor, damaged wiring or connectors, or issues with the airbag control module.

4. How can I diagnose a Left Front Side Impact Sensor problem on my 2017 Chevrolet Silverado?

Diagnosing a Left Front Side Impact Sensor issue typically involves using a scan tool to retrieve the specific trouble code, inspecting the sensor and its wiring for damage, and testing the sensor's functionality.

5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code B0085 present?

It is not recommended to drive the vehicle with the B0085 code active, as it indicates a potential problem with the airbag system that may affect its proper function in the event of a collision.

6. How can I repair a Left Front Side Impact Sensor issue in my 2017 Chevrolet Silverado?

Repairing a B0085 code may involve replacing the Left Front Side Impact Sensor, repairing any damaged wiring or connectors, or reprogramming the airbag control module.

7. Is it necessary to reset the OBDII code B0085 after repairing the Left Front Side Impact Sensor on a 2017 Chevrolet Silverado?

Yes, it is important to clear the B0085 trouble code after addressing the underlying issue to reset the system and ensure proper functioning of the airbag system.

8. Are there any safety precautions to take when working on the airbag system related to OBDII code B0085 in a 2017 Chevrolet Silverado?

When working on the airbag system, it is crucial to disconnect the vehicle's battery and wait for a specified period to allow the system to discharge to prevent accidental airbag deployment.

9. Can a DIY enthusiast without extensive automotive experience fix a Left Front Side Impact Sensor problem triggering OBDII code B0085 on a 2017 Chevrolet Silverado?

While some may be able to diagnose and repair simple issues, dealing with airbag systems and safety components like the Left Front Side Impact Sensor is best left to trained professionals due to safety concerns.

10. How much can I expect to pay for repairing a Left Front Side Impact Sensor problem causing OBDII code B0085 in a 2017 Chevrolet Silverado?

The cost of repairing a B0085 code in a 2017 Chevrolet Silverado can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

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