B0071 2018 Chevrolet Silverado Code - Passenger Seat Belt Tension Sensor Circuit
Quick Answer
The B0071 code in a 2018 Chevrolet Silverado refers to an issue with the passenger seat belt tension sensor circuit. Common causes include Faulty sensor: The tension sensor itself may be defective or damaged, causing it to malfunction, Wiring issues: Damaged or corroded wiring connecting the sensor to the control module can disrupt the circuit, Loose connections: Loose or disconnected wires at the sensor or control module can trigger this code. 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
- B0071 2018 Chevrolet Silverado indicates Passenger Seat Belt Tension Sensor Circuit.
- Common causes
- Common causes include Faulty sensor: The tension sensor itself may be defective or damaged, causing it to malfunction, Wiring issues: Damaged or corroded wiring connecting the sensor to the control module can disrupt the circuit, Loose connections: Loose or disconnected wires at the sensor or control module can trigger this code.
- 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 B0071 2018 Chevrolet Silverado Description
The B0071 code in a 2018 Chevrolet Silverado refers to an issue with the passenger seat belt tension sensor circuit. This sensor is responsible for detecting when a passenger is seated in the vehicle and whether they have their seat belt properly fastened. The sensor helps ensure the safety of the passenger by triggering an alert if the seat belt is not secured.
Common Causes of B0071 2018 Chevrolet Silverado
- Faulty sensor: The tension sensor itself may be defective or damaged, causing it to malfunction.
- Wiring issues: Damaged or corroded wiring connecting the sensor to the control module can disrupt the circuit.
- Loose connections: Loose or disconnected wires at the sensor or control module can trigger this code.
- Control module failure: A malfunction in the control module that oversees the sensor's operation can also be a cause.
- Impact damage: If the vehicle has been in a collision or experienced physical damage, it could lead to issues with the sensor circuit.
Symptoms of B0071 2018 Chevrolet Silverado
- Airbag warning light: The most common symptom associated with this code is the illumination of the airbag warning light on the dashboard.
- Passenger seat belt reminder: The vehicle may fail to detect when a passenger is seated in the front passenger seat, leading to the seat belt reminder not functioning properly.
- Inability to engage airbags: In some cases, the airbags may not deploy correctly in the event of a collision due to the sensor malfunction.
- Audible warning chime: A constant or intermittent chime may sound to indicate a problem with the seat belt system.
- Faulty passenger seat belt tension sensor: The sensor may fail to detect when the seat belt is properly fastened, leading to an inaccurate reading.
How to Fix B0071 2018 Chevrolet Silverado
- Diagnose the issue: Begin by using a diagnostic scanner to retrieve the specific code and identify the exact problem with the passenger seat belt tension sensor circuit.
- Inspect wiring and connections: Check all wiring and connections associated with the sensor circuit for any damage, corrosion, or loose connections. Repair or replace as necessary.
- Replace sensor: If the sensor itself is faulty, it will need to be replaced with a new one to restore proper functionality.
- Reset the system: After completing the repair, reset the diagnostic trouble codes and test the system to ensure the issue has been resolved.
- Clear airbag light: If the airbag warning light is still illuminated after the repair, use a diagnostic scanner to clear the code and reset the light.
Cost to Fix B0071 2018 Chevrolet Silverado
The typical repair costs for resolving a B0071 code related to the passenger seat belt tension sensor circuit in a 2018 Chevrolet Silverado can vary depending on the extent of the issue and the parts required. On average, the cost for parts such as a new sensor and any wiring replacements can range from $200 to $500. Labor costs at auto repair shops can vary between $80 and $150 per hour, with the total repair time likely taking 1-2 hours. Therefore, the total repair cost, including parts and labor, may fall between $280 to $800. It's important to note that prices can fluctuate based on location, the specific repair shop, and other factors, so it's advisable to obtain quotes from local shops for a more accurate estimate.
Tech Notes for B0071 2018 Chevrolet Silverado
B0071:04 Passenger Seat Belt Tension Sensor Circuit Open
B0071:07 Passenger Seat Belt Tension Sensor Circuit Voltage Above Threshold
B0071:08 Passenger Seat Belt Tension Sensor Circuit Voltage Performance Signal Invalid
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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 B0071 2018 Chevrolet Silverado Code
1. What does OBDII code B0071 mean for my 2018 Chevrolet Silverado?
The B0071 code indicates a problem with the passenger seat belt tension sensor circuit in your vehicle.
2. What are the common symptoms of a B0071 code in a 2018 Chevrolet Silverado?
Common symptoms include the airbag warning light coming on, the passenger airbag system not deploying properly, and potential issues with the seat belt warning system.
3. What are the possible causes of a B0071 code in a 2018 Chevrolet Silverado?
Causes can include a faulty seat belt tension sensor, damaged wiring or connectors in the sensor circuit, or issues with the airbag control module.
4. How can I diagnose a B0071 code in my 2018 Chevrolet Silverado?
Diagnosis typically involves using an OBDII scanner to read the code, inspecting the seat belt tension sensor and its connections, and checking for any visible damage or corrosion.
5. Can I still drive my 2018 Chevrolet Silverado with a B0071 code?
It is not recommended to drive with a B0071 code present, as it indicates a potential safety issue with the passenger airbag system. Have the issue diagnosed and repaired as soon as possible.
6. How can I repair a B0071 code in my 2018 Chevrolet Silverado?
Repairing a B0071 code may involve replacing the passenger seat belt tension sensor, repairing damaged wiring or connectors, or resetting the airbag control module.
7. Can I reset the B0071 code in my 2018 Chevrolet Silverado myself?
While you may be able to clear the code with an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.
8. How much does it cost to repair a B0071 code in a 2018 Chevrolet Silverado?
Repair costs can vary depending on the specific cause of the code and whether you choose to address the issue yourself or take it to a professional mechanic. Costs may range from a few hundred to over a thousand dollars.
9. Are there any safety concerns associated with a B0071 code in a 2018 Chevrolet Silverado?
Yes, a B0071 code can indicate a potential safety risk as it affects the passenger airbag system. It is essential to address this issue promptly to ensure the proper functioning of the safety systems in your vehicle.
10. How can I prevent a B0071 code from occurring in my 2018 Chevrolet Silverado?
Regularly inspecting and maintaining your vehicle's airbag and seat belt systems can help prevent issues like the B0071 code. If you notice any warning lights or abnormal behavior, have it checked by a qualified technician.
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