Engine-CodesHyundai – B1704 Hyundai

B1704 Hyundai Code - Driver Buckle Pretensioner Short To Battery

Quick Answer

The B1704 Hyundai code indicates that there is a short to the battery in the driver buckle pretensioner circuit. Common causes include Damaged wiring in the driver buckle pretensioner circuit, Faulty driver buckle pretensioner unit, Malfunctioning control module. 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
B1704 Hyundai indicates Driver Buckle Pretensioner Short To Battery.
Common causes
Common causes include Damaged wiring in the driver buckle pretensioner circuit, Faulty driver buckle pretensioner unit, Malfunctioning control module.
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 15, 2024
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Code B1704 Hyundai Description

The B1704 Hyundai code indicates that there is a short to the battery in the driver buckle pretensioner circuit. The driver buckle pretensioner is a safety feature in modern vehicles that tightens the seatbelt in the event of a collision to secure the driver in place. A short to the battery means that there is an unintended connection between the driver buckle pretensioner and the vehicle's battery, which can lead to various issues.

OBDII Code B1704 Hyundai - Driver Buckle Pretensioner Short To Battery
B1704 Hyundai Code - Driver Buckle Pretensioner Short To Battery

Common Causes of B1704 Hyundai

  1. Damaged wiring in the driver buckle pretensioner circuit.
  2. Faulty driver buckle pretensioner unit.
  3. Malfunctioning control module.
  4. Corrosion in the electrical connections.
  5. Impact from a previous collision causing damage to the system.

Symptoms of B1704 Hyundai

  1. Airbag warning light illuminated on the dashboard.
  2. Seatbelt warning light may be on.
  3. Inability to properly secure the seatbelt.
  4. Potential issues with the airbag deployment system.
  5. Vehicle may fail safety inspections.

How to Fix B1704 Hyundai

  1. Begin by conducting a thorough inspection of the driver buckle pretensioner circuit to identify any damaged wiring or components.
  2. Test the driver buckle pretensioner unit to determine if it is functioning correctly.
  3. Check the control module for any faults or errors.
  4. Repair or replace any damaged wiring, components, or modules as needed.
  5. Clear the diagnostic trouble codes and test the system to ensure the issue has been resolved.

Cost to Fix B1704 Hyundai

The cost of repairing a driver buckle pretensioner short to battery issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair cost for this issue can range from $200 to $500, including parts and labor. However, it is important to note that labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate. Additionally, the cost may be higher if specialized tools or diagnostic equipment are required for the repair.

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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 B1704 Hyundai Code

1. What are the common symptoms of OBDII code B1704 in a Hyundai related to the Driver Buckle Pretensioner Short To Battery?

- The common symptoms include the airbag warning light illuminating on the dashboard and potentially the airbag system being disabled.

2. What are the possible causes of the Driver Buckle Pretensioner Short To Battery OBDII code (B1704) in a Hyundai?

- Possible causes include a short circuit in the wiring related to the driver buckle pretensioner, a faulty pretensioner unit, or issues with the airbag control module.

3. How serious is the B1704 OBDII code related to the Driver Buckle Pretensioner Short To Battery in a Hyundai?

- This code is considered serious as it indicates a potential issue with the driver's seatbelt pretensioner, which is a crucial component of the vehicle's safety system.

4. Can I continue driving my Hyundai with the B1704 OBDII code present?

- It is not recommended to drive the vehicle with this code present as it may compromise the proper functioning of the airbag system in the event of a collision.

5. How can I diagnose and repair the B1704 OBDII code in my Hyundai related to the Driver Buckle Pretensioner Short To Battery?

- Diagnosis typically involves inspecting the wiring, connectors, and the driver buckle pretensioner itself for any visible damage. Repair may involve replacing the pretensioner unit or addressing any wiring issues.

6. Is it possible to reset the B1704 OBDII code in a Hyundai without fixing the underlying issue?

- While it is possible to clear the code using an OBDII scanner, the underlying issue causing the code will persist unless properly diagnosed and repaired.

7. Are there any safety concerns associated with the B1704 OBDII code related to the Driver Buckle Pretensioner Short To Battery?

- Yes, there are safety concerns as the driver buckle pretensioner is designed to work in conjunction with the airbag system to enhance occupant safety in the event of a collision.

8. How much does it typically cost to repair the B1704 OBDII code in a Hyundai?

- The cost of repair can vary depending on the specific issue causing the code, but it may involve parts and labor costs associated with replacing the driver buckle pretensioner or addressing wiring issues.

9. Can a DIY enthusiast fix the B1704 OBDII code related to the Driver Buckle Pretensioner Short To Battery in a Hyundai?

- While some DIY enthusiasts may have the skills to diagnose and repair this issue, working on safety-related components like airbag systems is best left to professionals due to the potential risks involved.

10. How can I prevent the B1704 OBDII code related to the Driver Buckle Pretensioner Short To Battery from recurring in my Hyundai?

- Regular maintenance and inspection of the airbag system components, including the driver buckle pretensioner, can help prevent issues that may trigger this code.

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