Engine-CodesGMC – B0080 GMC

B0080 GMC Code - Passenger Seat Position Sensor Circuit

Quick Answer

The B0080 GMC code indicates a problem with the passenger seat position sensor circuit in the vehicle. Common causes include Faulty passenger seat position sensor, Loose or damaged wiring in the sensor circuit, Corrosion or moisture in the sensor connections. 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 GMC indicates Passenger Seat Position Sensor Circuit.
Common causes
Common causes include Faulty passenger seat position sensor, Loose or damaged wiring in the sensor circuit, Corrosion or moisture in the sensor connections.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B0080 GMC Description

The B0080 GMC code indicates a problem with the passenger seat position sensor circuit in the vehicle. This sensor is responsible for detecting the position of the passenger seat and transmitting this information to the vehicle's computer system. The system uses this data to determine the appropriate deployment of the airbag in case of a collision.

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

Common Causes of B0080 GMC

  1. Faulty passenger seat position sensor
  2. Loose or damaged wiring in the sensor circuit
  3. Corrosion or moisture in the sensor connections
  4. Issues with the airbag control module
  5. Electrical problems in the vehicle's wiring system

Symptoms of B0080 GMC

  1. Airbag warning light on the dashboard
  2. Inconsistent or incorrect airbag deployment
  3. Passenger airbag not deploying in a crash
  4. Intermittent issues with the passenger seat adjustment
  5. Diagnostic trouble codes related to the airbag system

How to Fix B0080 GMC

  1. Begin by diagnosing the specific cause of the code by using a diagnostic scanner to read the fault codes and identify the problem area.
  2. Inspect the passenger seat position sensor and its connections for any signs of damage, corrosion, or loose connections. Replace or repair any faulty components.
  3. Check the wiring in the sensor circuit for any damage or wear. Repair or replace any damaged wires.
  4. Reset the airbag system and clear the fault codes using a diagnostic scanner.
  5. Test the system to ensure that the code does not reappear and that the passenger seat position sensor is functioning properly.

Cost to Fix B0080 GMC

The cost of repairing the B0080 GMC code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair cost for this issue can range from $150 to $500, including parts and labor. However, it is important to note that the actual cost may be higher or lower depending on the extent of the problem and the required repairs. It is recommended to consult with a professional mechanic or auto repair shop to get an accurate estimate for the repair.

Tech Notes for B0080 GMC

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

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Information for Specific GMC Models

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 GMC Code

1. What are the common symptoms of OBDII code B0080 GMC related to the Passenger Seat Position Sensor Circuit?

- Common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the passenger airbag system.

2. What are the possible causes of OBDII code B0080 GMC?

- Possible causes may include a faulty passenger seat position sensor, damaged wiring or connectors in the circuit, or a malfunctioning airbag control module.

3. How can I diagnose the issue related to OBDII code B0080 GMC?

- Diagnosing the issue may involve using a scan tool to retrieve the specific fault code, inspecting the passenger seat position sensor and related wiring, and testing the components for proper functionality.

4. Is it safe to drive with OBDII code B0080 GMC active?

- It is not recommended to drive with the code active as it indicates a potential issue with the passenger airbag system, which may affect the safety of the vehicle occupants in the event of a collision.

5. Can I reset OBDII code B0080 GMC without addressing the underlying issue?

- While you can clear the code temporarily, it is important to address the underlying issue causing the fault code to prevent potential safety risks and ensure the proper functioning of the airbag system.

6. How can I repair OBDII code B0080 GMC related to the Passenger Seat Position Sensor Circuit?

- Repairing the code may involve replacing the faulty passenger seat position sensor, repairing or replacing damaged wiring or connectors, or reprogramming the airbag control module as needed.

7. Are there any DIY tips for troubleshooting OBDII code B0080 GMC?

- DIY tips may include checking for loose or damaged connectors, inspecting the sensor for physical damage, and ensuring proper seat alignment and connection to the sensor.

8. How much does it typically cost to repair OBDII code B0080 GMC at a professional auto repair shop?

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

9. Can OBDII code B0080 GMC be intermittent or sporadic in nature?

- Yes, the code may sometimes be intermittent, especially if the issue is related to loose connections or sensor malfunctions that occur sporadically.

10. Is it necessary to visit a dealership for diagnosis and repair of OBDII code B0080 GMC, or can a local mechanic handle it?

- A local mechanic with experience in diagnosing and repairing airbag systems should be able to handle the diagnosis and repair of OBDII code B0080 GMC, but visiting a dealership may also be an option for specialized service.

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