AutoCodes – Generic – B1666

B1666 Code - Seat Driver Recline Motor Stalled

Quick Answer

The Driver Seat Module (DSM) monitors the Seat Driver Recline Motor. Common causes include Faulty Seat Driver Recline Motor, Seat Driver Recline Motor harness is open or shorted, Seat Driver Recline 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: B1666 indicates Seat Driver Recline Motor Stalled.
Common causes: Common causes include Faulty Seat Driver Recline Motor, Seat Driver Recline Motor harness is open or shorted, Seat Driver Recline 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 4,470

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 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1666 Description

The Driver Seat Module (DSM) monitors the Seat Driver Recline Motor. The DSM sets the OBDII code when the Seat Driver Recline Motor is not to factory specifications.

OBDII Code B1666 - Seat Driver Recline Motor Stalled - AutoCodes.com — B1666 Code - Seat Driver Recline Motor Stalled

What does this mean?

What are the Possible Causes of the DTC B1666?

Faulty Seat Driver Recline Motor
Seat Driver Recline Motor harness is open or shorted
Seat Driver Recline Motor circuit poor electrical connection
Faulty Driver Seat Module (DSM)

How to Fix the DTC B1666?

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 B1666 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 B1666 code?

Need more information on how to fix the B1666 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1666 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1666 Ford — Seat Driver Recline Motor Stalled
B1666 Lincoln — Seat Driver Recline Motor Stalled
B1666 Mercury — Seat Driver Recline Motor Stalled

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 B1666 Code

1. What are the common symptoms of OBDII code B1666 - Seat Driver Recline Motor Stalled?

The common symptoms include the driver's seat recline function not working properly, the seat being stuck in one position, or unusual noises coming from the seat motor.

2. What are the possible causes of OBDII code B1666?

The code B1666 can be caused by a faulty driver seat motor, a broken seat recline mechanism, wiring issues, or a blown fuse related to the seat recline function.

3. How can I diagnose the issue related to OBDII code B1666?

You can start by checking the seat recline fuse, inspecting the wiring connected to the driver seat motor, testing the motor for proper functionality, and ensuring the seat mechanism moves freely without obstructions.

4. What should I do if I encounter OBDII code B1666 in my vehicle?

If you encounter code B1666, it is recommended to address the issue promptly to ensure the driver's comfort and safety. You may need to seek professional assistance to diagnose and repair the seat recline motor problem.

5. Can I continue driving my vehicle with OBDII code B1666?

While it may be possible to continue driving the vehicle with the code B1666, it is not advisable as it can lead to discomfort for the driver and potentially cause further damage to the seat recline system.

6. Are there any DIY repair tips for fixing OBDII code B1666?

DIY repair tips for addressing code B1666 may include checking and replacing the seat motor if faulty, inspecting and repairing any damaged wiring, or lubricating the seat mechanism to ensure smooth operation.

7. Is it safe to attempt repairing the seat recline motor related to OBDII code B1666 myself?

If you have experience working on automotive electrical systems and seat mechanisms, you may attempt to repair the issue yourself. However, if you are not confident in your skills, it is best to seek professional help to avoid causing further damage.

8. How much does it typically cost to repair OBDII code B1666 - Seat Driver Recline Motor Stalled?

The cost of repairing OBDII code B1666 can vary depending on the extent of the damage, the need for replacement parts, and labor charges. It is advisable to obtain quotes from different repair shops for an accurate estimate.

9. Can OBDII code B1666 be triggered by a loose connection in the seat recline system?

Yes, a loose or poor connection in the seat recline system can potentially trigger code B1666 as it may disrupt the communication between the control module and the driver seat motor.

10. Will resetting the OBDII system clear the B1666 code related to the seat driver recline motor?

Resetting the OBDII system may temporarily clear the B1666 code, but if the underlying issue with the seat driver recline motor is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.