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Engine-Codes – Generic – B1655

B1655 Code - Seat Driver Rear Up Circuit Failure

Quick Answer

The B1655 diagnostic trouble code (DTC) indicates a Seat Driver Rear Up Circuit Failure. Common causes include Faulty wiring or connections in the seat driver rear up circuit, A malfunctioning seat motor that is unable to adjust the seat height, A defective control module that is not sending the proper signals to the seat 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
B1655 indicates Seat Driver Rear Up Circuit Failure.
Common causes
Common causes include Faulty wiring or connections in the seat driver rear up circuit, A malfunctioning seat motor that is unable to adjust the seat height, A defective control module that is not sending the proper signals to the seat 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 14, 2024
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Code B1655 Description

The B1655 diagnostic trouble code (DTC) indicates a Seat Driver Rear Up Circuit Failure. This code is specific to the driver's rear seat in the vehicle. The seat driver rear up circuit is responsible for controlling the movement of the rear seat in an upward direction, such as adjusting the seat height. When this circuit fails, it can lead to an inability to adjust the seat height, which can impact the driver's comfort and visibility while operating the vehicle.

OBDII Code B1655 - Seat Driver Rear Up Circuit Failure
B1655 Code - Seat Driver Rear Up Circuit Failure

Common Causes of B1655

  1. Faulty wiring or connections in the seat driver rear up circuit.
  2. A malfunctioning seat motor that is unable to adjust the seat height.
  3. A defective control module that is not sending the proper signals to the seat motor.
  4. A blown fuse that is preventing power from reaching the seat adjustment system.

Symptoms of B1655

  1. Inability to adjust the height of the driver's rear seat.
  2. Unusual noises coming from the seat when attempting to adjust it.
  3. The seat may get stuck in one position and not move at all.
  4. The seat may move erratically or inconsistently when attempting to adjust it.

How to Fix B1655

  1. Begin by conducting a visual inspection of the wiring and connections in the seat driver rear up circuit to check for any visible damage or loose connections.
  2. Test the seat motor to determine if it is functioning properly. If the motor is faulty, it will need to be replaced.
  3. Check the control module for any signs of damage or malfunction. If necessary, replace the control module.
  4. Inspect the fuse related to the seat driver rear up circuit and replace it if it is blown.
  5. Once the issue has been identified and repaired, clear the DTC from the vehicle's computer system to ensure that the problem has been resolved.

Cost to Fix B1655

The cost of repairing a Seat Driver Rear Up Circuit Failure can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $100 to $500 for parts and labor to address this problem. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's a good idea to contact local shops for more accurate pricing information.

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Code B1655 Information for Specific Makes

  • B1655 Lexus — Driver Side Seat Belt Buckle Switch Circuit Malfunction
  • B1655 Scion — Driver Side Seat Belt Buckle Switch Circuit Malfunction
  • B1655 Toyota — Driver Side Seat Belt Buckle Switch Circuit Malfunction
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 B1655 Code

1. What are the common symptoms of OBDII code B1655 (Seat Driver Rear Up Circuit Failure)?

The common symptoms include the driver's rear seat not moving up or down properly, a non-functional seat adjustment control, or an illuminated seat adjustment warning light on the dashboard.

2. What are the possible causes of OBDII code B1655?

The code B1655 can be triggered by issues such as a faulty seat motor, damaged wiring or connectors in the seat adjustment circuit, or a malfunctioning seat control module.

3. How serious is OBDII code B1655 (Seat Driver Rear Up Circuit Failure)?

While this code usually doesn't affect the overall drivability of the vehicle, it can lead to inconvenience and discomfort for the driver if the seat cannot be adjusted properly.

4. How can I diagnose the cause of OBDII code B1655?

Diagnosing the issue involves inspecting the seat motor, checking the wiring and connectors for any damage, and using a diagnostic tool to scan the seat control module for faults.

5. Can I still drive my vehicle with OBDII code B1655 present?

Yes, you can still drive your vehicle with this code, but it's recommended to address the issue promptly to ensure proper functionality of the driver's rear seat adjustment.

6. Is it safe to attempt a DIY repair for OBDII code B1655?

If you have experience working with automotive electrical systems, you may attempt a DIY repair by checking the seat motor, inspecting the wiring, and resetting the seat control module. Otherwise, it's best to consult a professional.

7. How much does it typically cost to repair OBDII code B1655?

The cost of repair can vary depending on the underlying cause of the issue. It may involve replacing the seat motor, repairing damaged wiring, or reprogramming the seat control module, which can range from a few hundred to a thousand dollars.

8. Can OBDII code B1655 be intermittent?

Yes, the code B1655 can sometimes be intermittent, especially if the issue is related to loose wiring connections or sporadic faults in the seat control module.

9. Will resetting the OBDII code B1655 make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the fault is detected again during system checks.

10. How long does it take to repair OBDII code B1655?

The repair time can vary depending on the exact cause of the issue and the complexity of the repair. It may take anywhere from an hour for minor fixes to several hours for more involved repairs.

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