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Engine-Codes – GMC – B0080 2015 GMC Sierra

B0080 2015 GMC Sierra Code - Passenger Seat Position Sensor Circuit

Quick Answer

The B0080 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the passenger seat position sensor circuit. Common causes include Damaged wiring harness connecting the seat position sensor to the airbag control module, Loose or corroded connections in the sensor circuit, Faulty passenger seat position 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
B0080 2015 GMC Sierra indicates Passenger Seat Position Sensor Circuit.
Common causes
Common causes include Damaged wiring harness connecting the seat position sensor to the airbag control module, Loose or corroded connections in the sensor circuit, Faulty passenger seat position 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B0080 2015 GMC Sierra Description

The B0080 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the passenger seat position sensor circuit. This sensor is responsible for detecting the position of the passenger seat, which is crucial for the proper deployment of the airbag system in the event of a collision. When this code is triggered, it indicates that there is a malfunction in the circuit that connects the sensor to the vehicle's airbag control module.

OBDII Code B0080 2015 GMC Sierra - Passenger Seat Position Sensor Circuit
B0080 2015 GMC Sierra Code - Passenger Seat Position Sensor Circuit

Common Causes of B0080 2015 GMC Sierra

  1. Damaged wiring harness connecting the seat position sensor to the airbag control module.
  2. Loose or corroded connections in the sensor circuit.
  3. Faulty passenger seat position sensor.
  4. Issues with the airbag control module.
  5. Electrical issues within the vehicle's wiring system.

Symptoms of B0080 2015 GMC Sierra

  1. Airbag warning light illuminated on the dashboard.
  2. Passenger airbag status light indicating a fault.
  3. Inconsistent or erratic behavior of the passenger airbag system.
  4. Failure of the passenger airbag to deploy during a crash.
  5. Diagnostic trouble code B0080 stored in the vehicle's computer system.

How to Fix B0080 2015 GMC Sierra

  1. Begin by diagnosing the specific cause of the B0080 code using a scan tool to retrieve the fault codes and pinpoint the issue.
  2. Inspect the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace any damaged wiring as needed.
  3. Test the passenger seat position sensor for proper functionality. Replace the sensor if it is found to be faulty.
  4. Check the airbag control module for any issues and replace if necessary.
  5. Clear the fault codes from the vehicle's computer system and perform a test to ensure that the issue has been resolved.

Cost to Fix B0080 2015 GMC Sierra

The cost of repairing a B0080 code on a 2015 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to get a few quotes from different shops to ensure you're getting a fair price. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices.

What does this mean?

Tech Notes for B0080 2015 GMC Sierra

B0080:01 Passenger Seat Position Sensor Circuit Short to Battery

B0080:02 Passenger Seat Position Sensor Circuit Short to Ground

B0080:04 Passenger Seat Position Sensor Circuit Open

B0080:05 Passenger Seat Position Sensor Circuit High Voltage or Open

B0080:06 Passenger Seat Position Sensor Circuit Low Voltage or Open

B0080:08 Passenger Seat Position Sensor Circuit Performance-Signal Invalid

B0080:0C Passenger Seat Position Sensor Circuit Low Current

Need more information about the B0080 2015 GMC Sierra code?

Need more information on how to fix the B0080 2015 GMC Sierra code? Get Access to Factory Service Manuals

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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.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B0080 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B0080 in a 2015 GMC Sierra related to the passenger seat position sensor circuit?

- The common symptoms include the airbag light turning on, the passenger airbag system being disabled, and potential issues with the seatbelt reminder.

2. What are some possible causes of OBDII code B0080 in a 2015 GMC Sierra?

- The code B0080 can be triggered by a faulty passenger 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 B0080 in my 2015 GMC Sierra?

- Diagnosing the issue involves using a diagnostic scanner to retrieve the specific fault codes, conducting visual inspections of the sensor and its wiring, and performing continuity and resistance tests to pinpoint the fault.

4. Can I still drive my 2015 GMC Sierra with OBDII code B0080 present?

- While the vehicle may still be operable, it is recommended to address the issue promptly to ensure the proper functioning of the passenger airbag system in case of an accident.

5. Are there any DIY repair tips for fixing OBDII code B0080 in a 2015 GMC Sierra?

- DIY repair tips include checking and securing the wiring connections, inspecting the sensor for damage, and resetting the airbag system using a diagnostic scanner after making any necessary repairs.

6. Is it safe to reset the OBDII code B0080 in my 2015 GMC Sierra without fixing the underlying issue?

- It is not recommended to reset the code without addressing the root cause, as it may lead to a recurrence of the problem and compromise the safety features of the airbag system.

7. How much does it typically cost to repair OBDII code B0080 in a 2015 GMC Sierra at a dealership or mechanic?

- The cost of repair can vary depending on the specific issue, but it may range from $100 to $500, including parts and labor.

8. Can a faulty passenger seat position sensor impact the overall safety of my 2015 GMC Sierra?

- Yes, a faulty sensor can affect the proper deployment of the passenger airbag in the event of a collision, potentially compromising the safety of the vehicle occupants.

9. Are there any recalls or technical service bulletins related to OBDII code B0080 in a 2015 GMC Sierra?

- It's recommended to check with a GMC dealership or visit the National Highway Traffic Safety Administration (NHTSA) website for any relevant recalls or bulletins related to this issue.

10. How long does it take to repair the passenger seat position sensor circuit issue causing OBDII code B0080 in a 2015 GMC Sierra?

- The repair time can vary based on the extent of the issue and the availability of parts, but it typically takes a few hours to half a day for a qualified mechanic to diagnose and fix the problem.

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