AutoCodes – GMC – B0013 2018 GMC Sierra

B0013 2018 GMC Sierra Code - Driver Steering Wheel Air Bag Deployment Loop Stage 2

Quick Answer

During a frontal crash of sufficient force, the inflatable restraint Sensing and Diagnostic Module (SDM) will allow current to flow through the deployment loop in order to deploy the steering wheel air bag. Common causes include Faulty Steering Wheel Air Bag, Faulty Steering Wheel Air Bag Coil, Steering Wheel Air Bag harness is open or shorted. 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: B0013 2018 GMC Sierra indicates Driver Steering Wheel Air Bag Deployment Loop Stage 2.
Common causes: Common causes include Faulty Steering Wheel Air Bag, Faulty Steering Wheel Air Bag Coil, Steering Wheel Air Bag harness is open or shorted.
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 Popularity 331

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 09, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B0013 2018 GMC Sierra Description

During a frontal crash of sufficient force, the inflatable restraint Sensing and Diagnostic Module (SDM) will allow current to flow through the deployment loop in order to deploy the steering wheel air bag. The SDM performs continuous diagnostic tests on the deployment loops to check for proper circuit continuity and for shorts to ground or voltage. There are two shorting bars used within the steering wheel air bag coil connector which will short together both steering wheel air bag stage 1 high control circuit and steering wheel air bag stage 1 low control circuit and both steering wheel air bag stage 2 high control circuit and steering wheel air bag stage 2 low control circuit when the connector is disconnected. This will help to prevent unwanted deployment of the steering wheel air bag during servicing.

OBDII Code B0013 2018 GMC Sierra - Driver Steering Wheel Air Bag Deployment Loop Stage 2 - AutoCodes.com — B0013 2018 GMC Sierra Code - Driver Steering Wheel Air Bag Deployment Loop Stage 2

What does this mean?

What are the Possible Causes of the DTC B0013 2018 GMC Sierra?

Faulty Steering Wheel Air Bag
Faulty Steering Wheel Air Bag Coil
Steering Wheel Air Bag harness is open or shorted
Steering Wheel Air Bag circuit poor electrical connection
Faulty Sensing and Diagnostic Module (SDM)

How to Fix the DTC B0013 2018 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.

What does this mean?

Code Tech Notes

B0013:01 Driver Frontal Deployment Loop Stage 2 Short to Battery
B0013:02 Driver Frontal Deployment Loop Stage 2 Short to Ground
B0013:04 Driver Frontal Deployment Loop Stage 2 Open Circuit
B0013:0D Driver Frontal Deployment Loop Stage 2 High Resistance
B0013:0E Driver Frontal Deployment Loop Stage 2 Low Resistance

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0013 2018 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.

Need more information about the B0013 2018 GMC Sierra code?

Need more information on how to fix the B0013 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0013 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 B0013 2018 GMC Sierra Code

1. What does the OBDII code B0013 for a 2018 GMC Sierra mean?

The B0013 code specifically relates to the Driver Steering Wheel Air Bag Deployment Loop Stage 2.

2. What are the common symptoms of OBDII code B0013 in a 2018 GMC Sierra?

Common symptoms include the airbag warning light being illuminated on the dashboard and potential non-deployment of the driver's airbag in the event of a collision.

3. What are the possible causes of OBDII code B0013 in a 2018 GMC Sierra?

Potential causes can include a faulty steering wheel airbag deployment loop, issues with the airbag control module, wiring problems, or a malfunctioning clock spring.

4. How can I diagnose the OBDII code B0013 in my 2018 GMC Sierra?

Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, followed by a thorough inspection of the airbag system components mentioned in the code description.

5. Can I still drive my 2018 GMC Sierra with OBDII code B0013 present?

It is not recommended to drive the vehicle with an active airbag fault code, as it may compromise the safety of the driver in case of an accident.

6. How can I repair OBDII code B0013 in my 2018 GMC Sierra?

Repairing this code often involves inspecting and repairing or replacing the driver steering wheel airbag deployment loop as needed, addressing any wiring issues, or replacing the airbag control module.

7. Is it safe to reset the OBDII code B0013 in a 2018 GMC Sierra without addressing the underlying issue?

Resetting the code without fixing the root cause may temporarily turn off the warning light, but the underlying safety concern with the airbag system will remain unresolved.

8. Are there any recalls or service bulletins related to OBDII code B0013 for a 2018 GMC Sierra?

It's advisable to check with a GMC dealership or the manufacturer's website for any relevant recalls or service bulletins related to this specific OBDII code.

9. How can I prevent OBDII code B0013 from reoccurring in my 2018 GMC Sierra?

Regularly inspecting and maintaining the airbag system components, ensuring proper wiring connections, and addressing any issues promptly can help prevent the recurrence of this fault code.

10. Can a DIY enthusiast repair OBDII code B0013 in a 2018 GMC Sierra, or should it be done by a professional?

While some basic troubleshooting steps can be performed by a DIY enthusiast, due to the critical nature of the airbag system, it is recommended to have repairs related to this code done by a qualified professional with experience in handling airbag systems.