AutoCodes – Chevrolet – B001B 2018 Chevrolet Silverado

B001B 2018 Chevrolet Silverado Code - Passenger Seat Belt Anchor Pretensioner Deployment Loop

Quick Answer

The seat belt pretensioner (driver and passenger) consists of a housing, seat belt retractor (located in the B-pillar), seat belt anchor (located in the seat), seat belt webbing, an initiator, and a canister of gas-generating materials. Common causes include Faulty Passenger Seat Belt Anchor Pretensioner, Passenger Seat Belt Anchor Pretensioner harness is open or shorted, Passenger Seat Belt Anchor Pretensioner 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: B001B 2018 Chevrolet Silverado indicates Passenger Seat Belt Anchor Pretensioner Deployment Loop.
Common causes: Common causes include Faulty Passenger Seat Belt Anchor Pretensioner, Passenger Seat Belt Anchor Pretensioner harness is open or shorted, Passenger Seat Belt Anchor Pretensioner 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.

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Code Popularity 771

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Oct 05, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B001B 2018 Chevrolet Silverado Description

The seat belt pretensioner (driver and passenger) consists of a housing, seat belt retractor (located in the B-pillar), seat belt anchor (located in the seat), seat belt webbing, an initiator, and a canister of gas-generating materials. The initiator is part of the seat belt pretensioner deployment loop. When the vehicle is involved in a collision of sufficient force, the Inflatable Restraint Sensing and Diagnostic Module (SDM) causes current to flow through the seat belt deployment loops to the initiator. Current passing through the initiator ignites the material in the canister producing a rapid generation of gas. The gas produced from this reaction deploys the seat belt pretensioners which removes all of the slack in the seat belts. Depending on the severity of the collision, the seat belt pretensioners may deploy without the frontal air bags deploying, or they will deploy immediately before the frontal air bags deploy. A shorting bar (if equipped) is located in the connector.

OBDII Code B001B 2018 Chevrolet Silverado - Passenger Seat Belt Anchor Pretensioner Deployment Loop - AutoCodes.com — B001B 2018 Chevrolet Silverado Code - Passenger Seat Belt Anchor Pretensioner Deployment Loop

What does this mean?

What are the Possible Causes of the DTC B001B 2018 Chevrolet Silverado?

Faulty Passenger Seat Belt Anchor Pretensioner
Passenger Seat Belt Anchor Pretensioner harness is open or shorted
Passenger Seat Belt Anchor Pretensioner circuit poor electrical connection
Faulty Sensing and Diagnostic Module (SDM)

How to Fix the DTC B001B 2018 Chevrolet Silverado?

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

B001B:01 Passenger Seat Belt Anchor Pretensioner Deployment Loop Short to Battery
B001B:02 Passenger Seat Belt Anchor Pretensioner Deployment Loop Short to Ground
B001B:04 Passenger Seat Belt Anchor Pretensioner Deployment Loop Open
B001B:0D Passenger Seat Belt Anchor Pretensioner Deployment Loop High Resistance
B001B:0E Passenger Seat Belt Anchor Pretensioner Deployment Loop Low Resistance

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B001B 2018 Chevrolet Silverado 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 B001B 2018 Chevrolet Silverado code?

Need more information on how to fix the B001B 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B001B 2018 Chevrolet Silverado 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 B001B 2018 Chevrolet Silverado Code

1. What does the OBDII code B001B for the 2018 Chevrolet Silverado mean?

The code B001B indicates a problem with the Passenger Seat Belt Anchor Pretensioner Deployment Loop in the vehicle.

2. What are the common symptoms of the B001B code on a 2018 Chevrolet Silverado?

Common symptoms of the B001B code may include the airbag warning light illuminating on the dashboard and a potential loss of restraint system functionality for the passenger seat belt.

3. What can cause the B001B code to trigger in a 2018 Chevrolet Silverado?

The B001B code can be triggered by a fault in the Passenger Seat Belt Anchor Pretensioner Deployment Loop, which may be caused by a wiring issue, a loose connection, or a malfunction in the pretensioner itself.

4. How serious is the B001B code on a 2018 Chevrolet Silverado?

The B001B code should be taken seriously as it involves the passenger seat belt pretensioner deployment loop, which is a crucial safety component in the vehicle's restraint system.

5. Can I continue driving my 2018 Chevrolet Silverado with the B001B code?

It is not recommended to continue driving the vehicle with the B001B code present, as it may compromise the effectiveness of the passenger seat belt pretensioner in the event of a collision.

6. How can the B001B code on a 2018 Chevrolet Silverado be diagnosed?

Diagnosing the B001B code typically involves using a diagnostic scanner to retrieve the specific fault code, followed by inspecting the wiring, connections, and pretensioner deployment loop for any visible issues.

7. What is the typical repair for the B001B code on a 2018 Chevrolet Silverado?

Repairing the B001B code may involve repairing or replacing the wiring, connectors, or the passenger seat belt anchor pretensioner deployment loop itself, depending on the root cause of the issue.

8. Can I reset the B001B code on my 2018 Chevrolet Silverado without fixing the underlying issue?

While you can clear the B001B code with a diagnostic scanner, it is not recommended to do so without addressing the underlying problem, as it may pose a safety risk in the event of an accident.

9. Are there any safety precautions to take when working on the B001B code issue in a 2018 Chevrolet Silverado?

When working on the B001B code problem, it is crucial to disconnect the vehicle's battery to prevent accidental airbag deployment and follow proper safety procedures outlined in the vehicle's service manual.

10. Can a DIY enthusiast repair the B001B code on a 2018 Chevrolet Silverado?

While some DIY enthusiasts may have the skills to diagnose and repair the B001B code, it is recommended to consult a professional mechanic or dealership due to the critical nature of the passenger seat belt restraint system.