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Engine-Codes – Generic – B1666

B1666 Code - Seat Driver Recline Motor Stalled

Quick Answer

The B1666 diagnostic trouble code (DTC) indicates that the seat driver recline motor in the vehicle has stalled. Common causes include Faulty seat recline motor, Damaged wiring or connectors, Blown fuse related to the seat recline motor. 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 recline motor, Damaged wiring or connectors, Blown fuse related to the seat recline motor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B1666 Description

The B1666 diagnostic trouble code (DTC) indicates that the seat driver recline motor in the vehicle has stalled. This means that the motor responsible for adjusting the recline position of the driver's seat is not functioning properly. The recline motor allows the driver to adjust the angle of the seatback for optimal comfort while driving. When this motor stalls, it can lead to an uncomfortable driving position for the driver, affecting their overall driving experience.

OBDII Code B1666 - Seat Driver Recline Motor Stalled
B1666 Code - Seat Driver Recline Motor Stalled

Common Causes of B1666

  1. Faulty seat recline motor.
  2. Damaged wiring or connectors.
  3. Blown fuse related to the seat recline motor.
  4. Malfunctioning control module.

Symptoms of B1666

  1. Inability to adjust the recline angle of the driver's seat.
  2. Unusual noises coming from the seat when attempting to adjust the recline position.
  3. Seatback getting stuck in a certain position.
  4. Visible damage to the seat recline motor or wiring.

How to Fix B1666

  1. Begin by diagnosing the specific cause of the issue, such as testing the seat recline motor, checking the wiring and connectors, and inspecting the fuse and control module.
  2. Replace the faulty seat recline motor if it is determined to be the cause of the problem.
  3. Repair or replace any damaged wiring or connectors.
  4. Replace the blown fuse if necessary.
  5. If the control module is malfunctioning, it may need to be reprogrammed or replaced.

Cost to Fix B1666

The typical repair costs for addressing a B1666 code related to a stalled seat driver recline motor can vary depending on the specific cause of the issue and the make and model of the vehicle. Generally, the cost of parts for a new seat recline motor can range from $150 to $300, while the cost of labor can range from $100 to $200. Overall, the total repair cost can be estimated to be between $250 and $500. It's important to note that these estimates are rough averages, and actual costs may vary based on factors such as location, vehicle type, and labor rates at auto repair shops. It's recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.

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Code B1666 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 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.

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