B0091 2017 Chevrolet Silverado Code - Center Front Impact Sensor
Quick Answer
The B0091 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the center front impact sensor. Common causes include Faulty center front impact sensor, Damaged wiring or connectors, Corrosion or water damage to the sensor. 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 2017 Chevrolet Silverado indicates Center Front Impact Sensor.
- Common causes
- Common causes include Faulty center front impact sensor, Damaged wiring or connectors, Corrosion or water damage to the sensor.
- 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 2017 Chevrolet Silverado Description
The B0091 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the center front impact sensor. This sensor is a crucial component of the vehicle's supplemental restraint system (SRS), also known as the airbag system. The center front impact sensor is responsible for detecting a frontal impact and sending a signal to the airbag control module to deploy the airbags in the event of a collision. When this sensor malfunctions or fails, it can compromise the effectiveness of the airbag system, potentially putting occupants at risk in the event of a crash.
Common Causes of B0091 2017 Chevrolet Silverado
- Faulty center front impact sensor
- Damaged wiring or connectors
- Corrosion or water damage to the sensor
- Communication error between sensor and airbag control module
- Impact or collision that damaged the sensor
Symptoms of B0091 2017 Chevrolet Silverado
- Airbag warning light illuminated on the dashboard
- Airbags not deploying in a collision
- Inconsistent or erratic airbag deployment
- Diagnostic trouble code B0091 stored in the vehicle's computer system
How to Fix B0091 2017 Chevrolet Silverado
- Begin by diagnosing the specific cause of the B0091 code, using a scan tool to retrieve the code and inspecting the center front impact sensor and related wiring for any visible damage.
- If the sensor is found to be faulty, it will need to be replaced with a new OEM sensor to ensure proper function.
- Check and repair any damaged wiring or connectors, ensuring a secure connection between the sensor and the airbag control module.
- Clear the diagnostic trouble code from the vehicle's computer system using a scan tool, and perform a test drive to verify that the issue has been resolved.
- Finally, reset the airbag system by following the manufacturer's recommended procedure to ensure that the system is functioning correctly.
Cost to Fix B0091 2017 Chevrolet Silverado
The cost of repairing a center front impact sensor on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue and the cost of parts and labor in your area. Generally, the cost of a new center front impact sensor can range from $100 to $300, while the labor cost for diagnosis and repair can range from $150 to $400. Overall, you can expect to pay anywhere from $250 to $700 for this repair, but it's advisable to obtain quotes from local auto repair shops to get a more accurate estimate based on your location and vehicle specifics. Keep in mind that rates can vary based on factors such as the shop's hourly labor rate and the availability of parts.
Tech Notes for B0091 2017 Chevrolet Silverado
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 2017 Chevrolet Silverado Code
1. What does OBDII code B0091 indicate in a 2017 Chevrolet Silverado?
The B0091 code in a 2017 Chevrolet Silverado signals a fault in the center front impact sensor circuit.
2. What are the common symptoms of a B0091 code in a 2017 Chevrolet Silverado?
Common symptoms may include the airbag warning light illuminating on the dashboard and potential non-deployment of the airbags in the event of a collision.
3. What are the possible causes of a B0091 code in a 2017 Chevrolet Silverado?
Causes of the B0091 code can range from a faulty center front impact sensor to damaged wiring or connectors in the sensor circuit.
4. How can I diagnose the B0091 code in my 2017 Chevrolet Silverado?
Diagnosing the B0091 code typically involves using an OBDII scanner to retrieve the code, inspecting the center front impact sensor and its wiring for any visible damage, and testing the sensor's functionality.
5. Can I continue driving my 2017 Chevrolet Silverado with a B0091 code?
It is not recommended to drive the vehicle with an active B0091 code, as it indicates a potential issue with the airbag system that could compromise safety in the event of a collision.
6. How can I repair a B0091 code in my 2017 Chevrolet Silverado?
Repairing a B0091 code may involve replacing the faulty center front impact sensor, repairing damaged wiring or connectors, and clearing the code with an OBDII scanner.
7. Are there any DIY tips for fixing a B0091 code in a 2017 Chevrolet Silverado?
While some may attempt to diagnose and repair the B0091 code themselves, it is recommended to consult a professional mechanic or dealership due to the importance of the airbag system's proper functioning.
8. How much does it cost to fix a B0091 code in a 2017 Chevrolet Silverado?
The cost of repairing a B0091 code can vary depending on the root cause of the issue, but it may involve parts and labor costs for sensor replacement or wiring repairs.
9. Is the B0091 code a common issue in 2017 Chevrolet Silverado vehicles?
The B0091 code related to the center front impact sensor is not uncommon in 2017 Chevrolet Silverado vehicles and may require attention to ensure the airbag system's proper operation.
10. Can a B0091 code be triggered by something other than a faulty sensor in a 2017 Chevrolet Silverado?
While a faulty sensor is a common cause of the B0091 code, other factors such as wiring issues or connector problems in the sensor circuit can also trigger the code.
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