B0079 2014 GMC Sierra Code - Driver Seat Position Sensor Circuit
Quick Answer
The B0079 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the driver seat position sensor circuit. Common causes include Faulty driver seat position sensor, Wiring issues or shorts in the sensor circuit, Corrosion or damage to sensor connectors. 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
- B0079 2014 GMC Sierra indicates Driver Seat Position Sensor Circuit.
- Common causes
- Common causes include Faulty driver seat position sensor, Wiring issues or shorts in the sensor circuit, Corrosion or damage to sensor connectors.
- 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 B0079 2014 GMC Sierra Description
The B0079 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the driver seat position sensor circuit. This code indicates that there is a malfunction in the sensor responsible for detecting the position of the driver's seat. The seat position sensor is crucial for various vehicle systems, including airbag deployment, seat belt tensioning, and power seat adjustments. When this sensor fails or malfunctions, it can lead to issues with the proper functioning of these systems.
Common Causes of B0079 2014 GMC Sierra
- Faulty driver seat position sensor
- Wiring issues or shorts in the sensor circuit
- Corrosion or damage to sensor connectors
- ECM software malfunction
- Physical damage to the driver's seat affecting sensor readings
Symptoms of B0079 2014 GMC Sierra
- Airbag warning light illuminated on the dashboard
- Inconsistent power seat adjustments
- Seat belt tensioners not engaging properly
- Erratic behavior of airbag deployment system
- Unusual noises coming from the driver's seat area
How to Fix B0079 2014 GMC Sierra
- Begin by diagnosing the specific cause of the issue using a scan tool to retrieve the DTC and inspecting the sensor and wiring for any visible damage.
- Replace the driver seat position sensor if it is found to be faulty, ensuring proper installation and calibration.
- Check and repair any damaged wiring or connectors in the sensor circuit.
- Clear the DTC from the ECM memory and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM or other related components.
Cost to Fix B0079 2014 GMC Sierra
The typical repair costs for addressing a B0079 DTC related to the driver seat position sensor circuit in a 2014 GMC Sierra can range from $200 to $500, including parts and labor. However, it's important to note that actual repair costs can vary based on factors such as the specific diagnosis time, labor rates at auto repair shops, and the availability of replacement parts. It's advisable to consult with a qualified mechanic or dealership to obtain a more accurate estimate based on your location and vehicle specifics. Labor rates at auto repair shops commonly range between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops.
Tech Notes for B0079 2014 GMC Sierra
B0079:02 Driver Seat Position Sensor Circuit Short to Ground
B0079:04 Driver Seat Position Sensor Circuit Open
B0079:05 Driver Seat Position Sensor Circuit High Voltage or Open
B0079:06 Driver Seat Position Sensor Circuit Low Voltage or Open
B0079:08 Driver Seat Position Sensor Circuit Performance-Signal Invalid
B0079:0C Driver Seat Position Sensor Circuit Low Current
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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 B0079 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code B0079 in a 2014 GMC Sierra related to the driver seat position sensor circuit?
The common symptoms include an illuminated airbag or SRS (Supplemental Restraint System) warning light on the dashboard and the potential disabling of the airbag system.
2. What are the possible causes of OBDII code B0079 in a 2014 GMC Sierra?
Possible causes include a faulty driver seat position sensor, damaged wiring or connectors in the seat position sensor circuit, or a malfunction in the airbag control module.
3. How can I diagnose the issue causing OBDII code B0079 in my 2014 GMC Sierra?
Diagnosing the issue involves using an OBDII scanner to retrieve the specific trouble code, inspecting the wiring and connectors in the driver seat position sensor circuit, and testing the sensor's functionality.
4. Is it safe to continue driving my 2014 GMC Sierra with OBDII code B0079 present?
It is not recommended to drive the vehicle with the airbag warning light illuminated, as the airbag system may be compromised and fail to deploy in the event of an accident.
5. What are some repair tips for addressing OBDII code B0079 in a 2014 GMC Sierra?
Repair tips may include checking and repairing any damaged wiring or connectors, replacing the driver seat position sensor if faulty, or reprogramming the airbag control module if necessary.
6. Can I reset OBDII code B0079 in my 2014 GMC Sierra by disconnecting the battery?
While disconnecting the battery may temporarily clear the code, it is important to address the underlying issue causing the fault code to prevent it from reoccurring.
7. How much does it typically cost to repair OBDII code B0079 in a 2014 GMC Sierra?
The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the driver seat position sensor, repairing wiring, or reprogramming the airbag control module.
8. Are there any recalls or technical service bulletins related to OBDII code B0079 in a 2014 GMC Sierra?
It is recommended to check with a GMC dealership or online resources for any recalls or technical service bulletins related to this specific OBDII code to see if there are any known issues or remedies provided by the manufacturer.
9. Can a DIY enthusiast without advanced automotive knowledge fix OBDII code B0079 in a 2014 GMC Sierra?
Depending on the specific cause of the issue, a DIY enthusiast with some automotive knowledge may be able to address simpler issues like checking and repairing wiring or connectors. However, more complex repairs or sensor replacements may require professional assistance.
10. How important is it to address OBDII code B0079 in a 2014 GMC Sierra promptly?
It is crucial to address OBDII code B0079 promptly to ensure the proper functioning of the airbag system, which is a critical safety feature designed to protect occupants in the event of a collision.
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