B0079 2017 GMC Sierra Code - Driver Seat Position Sensor Circuit
Quick Answer
The seat position sensor is used to determine the proximity of the front driver or passenger seat position with respect to the front air bag. Common causes include Faulty Driver Seat Position Sensor, Driver Seat Position Sensor harness is open or shorted, Driver Seat Position 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
- B0079 2017 GMC Sierra indicates Driver Seat Position Sensor Circuit.
- Common causes
- Common causes include Faulty Driver Seat Position Sensor, Driver Seat Position Sensor harness is open or shorted, Driver Seat Position 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.
Code B0079 2017 GMC Sierra Description
What are the Possible Causes of the DTC B0079 2017 GMC Sierra?
- Faulty Driver Seat Position Sensor
- Driver Seat Position Sensor harness is open or shorted
- Driver Seat Position Sensor circuit poor electrical connection
- Faulty Inflatable Restraint Sensing and Diagnostic Module (SDM)
How to Fix the DTC B0079 2017 GMC Sierra?
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
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B0079 2017 GMC Sierra 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.
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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 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code B0079 in a 2017 GMC Sierra related to the driver seat position sensor circuit?
The common symptoms include an illuminated airbag warning light on the dashboard, loss of power seat functionality, and potential issues with the airbag system's performance.
2. What are the possible causes of OBDII code B0079 in a 2017 GMC Sierra?
Potential causes of this code can include a faulty driver seat position sensor, damaged wiring or connectors in the sensor circuit, or a malfunction in the airbag control module.
3. How can I diagnose the issue causing OBDII code B0079 in my 2017 GMC Sierra?
Diagnosis typically involves using a scan tool to retrieve the specific fault code, inspecting the driver seat position sensor and related wiring for damage, and testing the sensor circuit for proper continuity and voltage.
4. Can I repair the driver seat position sensor circuit issue causing OBDII code B0079 in my 2017 GMC Sierra myself?
While some DIY enthusiasts may be able to address simpler issues like loose connectors or damaged wiring, diagnosing and repairing more complex problems with the sensor circuit may require professional assistance to ensure proper functioning and safety.
5. Is it safe to drive my 2017 GMC Sierra with OBDII code B0079 related to the driver seat position sensor circuit?
It is not recommended to drive the vehicle with an active airbag system fault code, as it may compromise the performance of the airbag system in the event of a collision. It is advisable to address the issue promptly.
6. How much does it typically cost to repair OBDII code B0079 in a 2017 GMC Sierra at a dealership or repair shop?
The cost of repairs can vary depending on the root cause of the issue, the extent of the damage, and labor rates in your area. It is advisable to obtain multiple quotes from reputable repair facilities.
7. Can resetting the OBDII code B0079 in my 2017 GMC Sierra make the issue go away permanently?
Resetting the code may temporarily turn off the warning light, but if the underlying problem with the driver seat position sensor circuit is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the issue.
8. Are there any recalls or technical service bulletins related to OBDII code B0079 in a 2017 GMC Sierra?
It is recommended to check with a GMC dealership or the manufacturer's website to see if there are any recalls or technical service bulletins specific to this OBDII code in your vehicle.
9. Can extreme temperatures or moisture affect the driver seat position sensor circuit and trigger OBDII code B0079 in a 2017 GMC Sierra?
Yes, extreme temperatures, humidity, or water exposure can potentially damage the sensor or its connectors, leading to issues with the circuit and triggering the code. It is important to keep the sensor and its surroundings dry and protected.
10. How long does it typically take to repair the driver seat position sensor circuit issue causing OBDII code B0079 in a 2017 GMC Sierra?
The repair time can vary based on the complexity of the problem, availability of parts, and the workload of the repair facility. Simple fixes may take a few hours, while more involved repairs could require leaving the vehicle for a day or more.
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