AutoCodesGeneric – B1704

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

Quick Answer

The Body Control Module (BCM) monitors the Seat Driver Recline Forward Switch. Common causes include Faulty Seat Driver Recline Forward Switch, Seat Driver Recline Forward Switch harness is open or shorted, Seat Driver Recline Forward 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
B1704 indicates Seat Driver Recline Forward Switch Circuit Short To Ground.
Common causes
Common causes include Faulty Seat Driver Recline Forward Switch, Seat Driver Recline Forward Switch harness is open or shorted, Seat Driver Recline Forward 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 5,198
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 23, 2019
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Code B1704 Description

The Body Control Module (BCM) monitors the Seat Driver Recline Forward Switch. The BCM sets the OBDII code when the Seat Driver Recline Forward Switch is not to factory specifications.
OBDII Code B1704 - Seat Driver Recline Forward Switch Circuit Short To Ground - AutoCodes.com
B1704 Code - Seat Driver Recline Forward Switch Circuit Short To Ground

What are the Possible Causes of the DTC B1704?

  • Faulty Seat Driver Recline Forward Switch
  • Seat Driver Recline Forward Switch harness is open or shorted
  • Seat Driver Recline Forward Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B1704?

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 B1704 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 B1704 code?

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Need Help with the Code?

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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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