AutoCodes – Generic – B1766

B1766 Code - Seat Driver Forward Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Seat Driver Forward Motor. Common causes include Faulty Seat Driver Forward Motor, Seat Driver Forward Motor harness is open or shorted, Seat Driver Forward Motor 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: B1766 indicates Seat Driver Forward Circuit Open.
Common causes: Common causes include Faulty Seat Driver Forward Motor, Seat Driver Forward Motor harness is open or shorted, Seat Driver Forward Motor 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 4,181

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 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1766 Description

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

OBDII Code B1766 - Seat Driver Forward Circuit Open - AutoCodes.com — B1766 Code - Seat Driver Forward Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1766?

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

How to Fix the DTC B1766?

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 B1766 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 B1766 code?

Need more information on how to fix the B1766 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1766 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1766 Hyundai — Body Sense Wrong ID
B1766 KIA — Body Sense Wrong ID
B1766 Nissan — Soft Top Switching Valve 3

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 B1766 Code

1. What are the common symptoms of OBDII code B1766 (Seat Driver Forward Circuit Open)?

- The common symptoms include the power seat not being able to move forward, backward, or in a specific direction.

2. What are the possible causes of OBDII code B1766?

- The code B1766 can be caused by a damaged or disconnected wiring harness in the driver's seat circuit.

3. How can I diagnose the issue related to OBDII code B1766?

- You can start by checking the wiring harness connected to the driver's power seat for any visible damage or loose connections.

4. Can a blown fuse cause OBDII code B1766?

- Yes, a blown fuse in the power seat circuit can also trigger the OBDII code B1766.

5. What is the recommended repair for OBDII code B1766?

- The recommended repair involves inspecting and repairing any damaged wiring in the driver's seat circuit and ensuring all connections are secure.

6. Can I reset OBDII code B1766 after fixing the issue?

- Yes, after repairing the underlying problem causing the OBDII code B1766, you can reset the code using an OBDII scanner.

7. Is it safe to continue driving with OBDII code B1766?

- It is not recommended to drive with the OBDII code B1766 active, as it indicates a malfunction in the driver's power seat circuit that may affect its operation.

8. Are there any DIY repair tips for addressing OBDII code B1766?

- DIY repair tips include checking the wiring harness for damage, testing the seat movement after repairs, and resetting the code with an OBDII scanner.

9. Can a professional mechanic help with fixing OBDII code B1766?

- Yes, a professional mechanic can diagnose and repair the issue causing OBDII code B1766, ensuring the driver's power seat functions correctly.

10. How can I prevent OBDII code B1766 from recurring in the future?

- To prevent OBDII code B1766 from recurring, regularly inspect the wiring harness and connections in the driver's seat circuit for any signs of damage or wear.