B0091 2016 GMC Sierra Code - Center Front Impact Sensor
Quick Answer
The B0091 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Center Front Impact Sensor. Common causes include Physical damage to the sensor due to a collision, Corrosion or water damage to the sensor or wiring, Faulty wiring connections or harness. 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
- B0091 2016 GMC Sierra indicates Center Front Impact Sensor.
- Common causes
- Common causes include Physical damage to the sensor due to a collision, Corrosion or water damage to the sensor or wiring, Faulty wiring connections or harness.
- 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 B0091 2016 GMC Sierra Description
The B0091 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Center Front Impact Sensor. This sensor is a crucial component of the vehicle's safety system, as it is responsible for detecting impacts to the front of the vehicle and triggering the deployment of airbags in the event of a collision. When this sensor malfunctions or fails, it can compromise the effectiveness of the airbag system, putting occupants at risk in the event of an accident.
Common Causes of B0091 2016 GMC Sierra
- Physical damage to the sensor due to a collision
- Corrosion or water damage to the sensor or wiring
- Faulty wiring connections or harness
- Malfunctioning airbag control module
- Software issues in the vehicle's system
Symptoms of B0091 2016 GMC Sierra
- Airbag warning light illuminated on the dashboard
- Inability to deploy airbags in a collision
- Erratic or unintended airbag deployment
- Vehicle may fail safety inspections or crash tests
How to Fix B0091 2016 GMC Sierra
- Diagnose the issue by using a scan tool to retrieve the specific DTC and pinpoint the problem area.
- Inspect the Center Front Impact Sensor for physical damage, corrosion, or loose connections.
- Test the sensor's functionality using a multimeter to check for proper voltage and resistance.
- Replace the sensor if it is found to be faulty, damaged, or malfunctioning.
- Clear the DTC from the vehicle's system and perform a test drive to ensure the issue has been resolved.
Cost to Fix B0091 2016 GMC Sierra
The cost of repairing a Center Front Impact Sensor issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the cost of replacing the sensor itself can range from $100 to $300, while labor costs can add an additional $100 to $200. Overall, the total repair cost for addressing a B0091 DTC in a 2016 GMC Sierra can range from $200 to $500. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, shop rates, and the availability of parts. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.
Tech Notes for B0091 2016 GMC Sierra
B0091:02 Center Front Impact Sensor Short to Ground
B0091:05 Center Front Impact Sensor Short to Battery or Open
B0091:0F Center Front Impact Sensor Erratic
B0091:39 Center Front Impact Sensor Internal Electronic Failure
B0091:3A Center Front Impact Sensor Incorrect Component Installed
B0091:71 Center Front Impact Sensor Invalid Serial Data Received
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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.
Frequently Asked Questions about B0091 2016 GMC Sierra Code
1. What does OBDII code B0091 for a 2016 GMC Sierra mean?
The B0091 code indicates a problem with the Center Front Impact Sensor on a 2016 GMC Sierra.
2. What are the common symptoms of OBDII code B0091 in a 2016 GMC Sierra?
Common symptoms of code B0091 include the airbag warning light illuminating on the dashboard and potential issues with the airbag system.
3. What are possible causes of OBDII code B0091 in a 2016 GMC Sierra?
Potential causes of code B0091 can include a faulty Center Front Impact Sensor, wiring issues, or a malfunction in the airbag control module.
4. How can I diagnose OBDII code B0091 in my 2016 GMC Sierra?
Diagnosing code B0091 typically involves using a scan tool to retrieve the specific fault code, inspecting the Center Front Impact Sensor and related wiring, and testing the airbag system components.
5. Can I continue driving my 2016 GMC Sierra with OBDII code B0091?
It is not recommended to drive your vehicle with an active airbag fault code like B0091, as it may compromise the effectiveness of the airbag system in the event of a collision.
6. How serious is OBDII code B0091 in a 2016 GMC Sierra?
Code B0091 should be addressed promptly as it indicates a potential issue with the airbag system's ability to deploy in a front impact collision, impacting overall safety.
7. How much does it cost to repair OBDII code B0091 in a 2016 GMC Sierra?
The cost of repairing B0091 can vary depending on the specific cause of the issue, but it may involve replacing the Center Front Impact Sensor, repairing wiring, or addressing other related components.
8. Can I reset OBDII code B0091 in my 2016 GMC Sierra myself?
While you can clear the code with a scan tool, it is crucial to diagnose and address the underlying problem causing code B0091 to prevent it from reoccurring.
9. Are there any DIY tips for fixing OBDII code B0091 in a 2016 GMC Sierra?
DIY tips for addressing code B0091 may include checking the sensor's connections, inspecting for visible damage, and ensuring all wiring is intact before seeking professional assistance.
10. How can I prevent OBDII code B0091 from coming back in my 2016 GMC Sierra?
Regularly inspecting and maintaining the airbag system, following proper vehicle maintenance schedules, and addressing any related issues promptly can help prevent the recurrence of code B0091 in your GMC Sierra.
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