AutoCodes – Generic – B1730

B1730 Code - Seat Driver Rear Down Switch Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Seat Driver Rear Down Switch. Common causes include Faulty Seat Driver Rear Down Switch, Seat Driver Rear Down Switch harness is open or shorted, Seat Driver Rear Down Switch 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: B1730 indicates Seat Driver Rear Down Switch Circuit Open.
Common causes: Common causes include Faulty Seat Driver Rear Down Switch, Seat Driver Rear Down Switch harness is open or shorted, Seat Driver Rear Down Switch 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 8,658

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 Jun 23, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1730 Description

The Body Control Module (BCM) monitors the Seat Driver Rear Down Switch. The BCM sets the OBDII code when the Seat Driver Rear Down Switch is not to factory specifications.

OBDII Code B1730 - Seat Driver Rear Down Switch Circuit Open - AutoCodes.com — B1730 Code - Seat Driver Rear Down Switch Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1730?

Faulty Seat Driver Rear Down Switch
Seat Driver Rear Down Switch harness is open or shorted
Seat Driver Rear Down Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1730?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1730 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 B1730 code?

Need more information on how to fix the B1730 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1730 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1730 Hyundai — Anchor Pretensioner Front-Driver Resistance Too High
B1730 KIA — Anchor Pretensioner Front-Driver Resistance Too High

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 B1730 Code

1. What are the common symptoms of OBDII code B1730 (Seat Driver Rear Down Switch Circuit Open)?

- The common symptoms include the driver's rear seat switch not functioning properly, the seat not adjusting in the downward position, and the seat control buttons being unresponsive.

2. What are the possible causes of OBDII code B1730?

- The code B1730 can be caused by a faulty seat switch, damaged wiring or connectors in the seat control circuit, or a problem with the seat control module.

3. How can I diagnose the issue related to OBDII code B1730?

- To diagnose the issue, you can start by checking the wiring and connectors connected to the driver's rear seat switch. Use a multimeter to test for continuity and ensure proper electrical connections.

4. Can I repair OBDII code B1730 myself?

- If you have experience with automotive electrical systems, you may be able to repair the issue causing code B1730 yourself by replacing the faulty seat switch, repairing damaged wiring, or fixing any loose connections.

5. Is it safe to drive with OBDII code B1730 present?

- It is generally safe to drive with code B1730, as it primarily affects the driver's rear seat control function. However, it is recommended to address the issue promptly to avoid further inconvenience.

6. How can I reset OBDII code B1730 after making repairs?

- Once you have addressed the underlying issue causing code B1730, you can reset the code using an OBDII scanner or by disconnecting the car's battery for a few minutes to clear the error code.

7. Will OBDII code B1730 cause the airbag light to come on?

- OBDII code B1730 is related to the driver's rear seat control circuit and is unlikely to trigger the airbag warning light. However, it is always best to address any fault codes promptly to prevent potential issues.

8. Can extreme temperatures or moisture affect OBDII code B1730?

- Extreme temperatures or moisture can potentially exacerbate electrical issues related to code B1730 by causing wiring corrosion or poor connections. It is essential to address any underlying problems promptly.

9. How do I prevent OBDII code B1730 from recurring?

- To prevent code B1730 from recurring, ensure proper maintenance of the seat controls, avoid spilling liquids on the seat switches, and periodically check the wiring and connectors for any signs of damage.

10. Do I need to visit a dealership to resolve OBDII code B1730?

- While visiting a dealership is an option, you can also address code B1730 at an independent repair shop or by troubleshooting and repairing the issue yourself if you have the necessary skills and tools.