AutoCodes – Chevrolet – B001B Chevrolet

B001B Chevrolet 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 Chevrolet 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 21,831

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 05, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B001B Chevrolet 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 Chevrolet - Passenger Seat Belt Anchor Pretensioner Deployment Loop - AutoCodes.com — B001B Chevrolet Code - Passenger Seat Belt Anchor Pretensioner Deployment Loop

What does this mean?

What are the Possible Causes of the DTC B001B Chevrolet?

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 Chevrolet?

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 Chevrolet 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 Chevrolet code?

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

Need Help with the Code?

Get the B001B Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

B001B 2014 Chevrolet Silverado — Passenger Seat Belt Anchor Pretensioner Deployment Loop
B001B 2015 Chevrolet Silverado — Passenger Seat Belt Anchor Pretensioner Deployment Loop
B001B 2016 Chevrolet Silverado — Passenger Seat Belt Anchor Pretensioner Deployment Loop
B001B 2017 Chevrolet Silverado — Passenger Seat Belt Anchor Pretensioner Deployment Loop
B001B 2018 Chevrolet Silverado — Passenger Seat Belt Anchor Pretensioner Deployment Loop

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 Chevrolet Code

1. What does OBDII code B001B for Chevrolet indicate?

The B001B code specifically relates to the Passenger Seat Belt Anchor Pretensioner Deployment Loop on Chevrolet vehicles.

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

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

3. What causes the OBDII code B001B to trigger in a Chevrolet?

This code is often triggered by a fault in the passenger seat belt pretensioner deployment loop, which may be caused by wiring issues, a faulty pretensioner unit, or a malfunctioning control module.

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

This code indicates a potential safety issue as it relates to the passenger seat belt pretensioner system, which plays a crucial role in occupant safety during a collision. It is important to address this issue promptly.

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

It is not recommended to continue driving the vehicle with the B001B code present, as it signifies a potential problem with the passenger seat belt pretensioner system, compromising occupant safety in the event of an accident.

6. How can I diagnose and repair the OBDII code B001B on my Chevrolet?

Diagnosing and repairing the B001B code typically requires advanced diagnostic tools to pinpoint the exact cause of the issue. It is recommended to consult a professional mechanic or dealership for proper diagnosis and repair.

7. Are there any DIY tips for resolving the OBDII code B001B on a Chevrolet?

DIY repairs for the B001B code are not recommended due to the complex nature of the passenger seat belt pretensioner system. It is best to seek professional assistance to ensure the issue is properly addressed.

8. Is the repair for the OBDII code B001B covered under warranty for Chevrolet vehicles?

Depending on the vehicle's warranty status and coverage, the repair for the B001B code may be covered under the manufacturer's warranty. It is advisable to check with your dealership for warranty information.

9. How much does it typically cost to repair the OBDII code B001B on a Chevrolet?

The cost of repairing the B001B code can vary depending on the exact cause of the issue, parts needed for replacement, and labor costs. It is recommended to obtain quotes from different repair shops or dealerships.

10. Can resetting the OBDII code B001B on a Chevrolet resolve the issue?

Simply resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the B001B code. Proper diagnosis and repair are necessary to ensure the issue is fully resolved.