Engine-CodesGeneric – B1704

B1704 Code - Seat Driver Recline Forward Switch Circuit Short To Ground

Quick Answer

The B1704 diagnostic trouble code (DTC) refers to a Seat Driver Recline Forward Switch Circuit Short To Ground. Common causes include Damaged or frayed wiring in the seat recline forward switch circuit, Faulty driver's seat recline forward switch, Corrosion in the electrical connections. 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 indicates Seat Driver Recline Forward Switch Circuit Short To Ground.
Common causes
Common causes include Damaged or frayed wiring in the seat recline forward switch circuit, Faulty driver's seat recline forward switch, Corrosion in the electrical connections.
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 07, 2024
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Code B1704 Description

The B1704 diagnostic trouble code (DTC) refers to a Seat Driver Recline Forward Switch Circuit Short To Ground. This code indicates that there is a short circuit in the wiring of the driver's seat recline forward switch that is causing it to ground out, preventing the proper operation of the switch. The driver's seat recline forward switch is responsible for adjusting the angle of the driver's seat to allow for a more comfortable driving position. When this circuit is shorted to ground, it can lead to issues with adjusting the seat position, potentially causing discomfort for the driver and affecting their ability to operate the vehicle safely.

OBDII Code B1704 - Seat Driver Recline Forward Switch Circuit Short To Ground
B1704 Code - Seat Driver Recline Forward Switch Circuit Short To Ground

Common Causes of B1704

  1. Damaged or frayed wiring in the seat recline forward switch circuit
  2. Faulty driver's seat recline forward switch
  3. Corrosion in the electrical connections
  4. Issues with the vehicle's electrical system

Symptoms of B1704

  1. Inability to adjust the driver's seat position
  2. Erratic movement of the driver's seat
  3. Seat recline forward switch not responding
  4. Seat position getting stuck in one position

How to Fix B1704

  1. Begin by disconnecting the vehicle's battery to prevent any electrical issues during repairs.
  2. Inspect the wiring harness for any damage or fraying, repairing or replacing any affected wires.
  3. Test the driver's seat recline forward switch to determine if it is functioning properly.
  4. Check the electrical connections for any corrosion or loose connections, cleaning or tightening as needed.
  5. Reconnect the battery and test the driver's seat recline forward switch to ensure it is operating correctly.

Cost to Fix B1704

The typical repair costs for addressing a Seat Driver Recline Forward Switch Circuit Short To Ground can range from $100 to $300, depending on the extent of the damage and the specific parts that need to be replaced. This estimate includes both parts and labor. However, it's important to note that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the hourly labor rates. It's recommended to obtain a personalized estimate from a trusted auto repair shop to get an accurate cost for this repair.

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Code B1704 Information for Specific Makes

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 Code

1. What does OBDII code B1704 mean?

B1704 indicates a short to ground in the circuit for the driver seat recline forward switch, meaning there is an electrical fault preventing the switch from functioning properly.

2. What are the common symptoms of a B1704 code?

Symptoms include the driver seat recline forward function not working, limited seat adjustability, or intermittent operation of the seat recline switch.

3. What causes the B1704 code to occur?

The most common causes are damaged wiring, a faulty recline forward switch, a shorted circuit, or a malfunctioning seat control module.

4. Can I still drive my car with a B1704 code?

Yes, you can still drive, but the seat adjustment may be limited, affecting comfort and potentially visibility if the seat position is not optimal.

5. How do I diagnose a B1704 code?

Inspect the wiring and connectors near the seat recline switch for damage or corrosion, test the switch for continuity, and check for proper voltage in the circuit.

6. How can I fix the B1704 code?

Repairs may include replacing damaged wiring, repairing or replacing the seat recline forward switch, or resetting the seat control module if necessary.

7. How much does it cost to fix a B1704 code?

Repair costs vary depending on the issue, but replacing the recline switch typically costs $50–$100 for parts, plus labor charges if done professionally.

8. Can a blown fuse cause the B1704 code?

While unlikely, a blown fuse in the seat adjustment circuit could contribute to electrical issues, so it’s worth checking.

9. Does the B1704 code require module reprogramming?

Reprogramming is usually not necessary unless the seat control module is replaced or updated.

10. Can I clear the B1704 code without fixing the issue?

You can clear the code using an OBDII scanner, but it will likely return if the underlying issue isn’t resolved.

Discuss the causes and fixes for B1704 OBDII Code

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